1.0 Chassis Rules Types      A/B/C/D/S

1.1 Chassis rules are a guideline.  WTC officials may refuse any chassis at their discretion.  WTC inspection is for competition and safety recommendations.  Racing is known to be dangerous, and no chassis is considered to be safe. Individual race vehicle owners, drivers and crew chiefs are responsible for the safety of their race vehicle.

1.2  Chassis Option Type A/B
(NETS Chassis – Metric Chassis – Waterford Based Chassis)

• GM 1978-1987 G Body 108 inch Metric Frame with all suspension points retained to manufacturer specs.  Must be able to pass inspection using Johnson Chassis inspection tools.
• Frame may be fabricated forward of the front spring buckets.
• A/B Replacement of the rear frame from aft side of spring pocket perch allowed with Minimum 2×3 x 0.90
  • Replacement tubing of the rear frame must maintain a minimum of 8 inches ground clearance.
  • Section must maintain width equal or greater than distance between outside of rear spring bucket.
  • Rear frame between rails must use same size tubing.
• C Channel
  • C Channel recommended to be boxed
  • C Channel may be replaced with 0.125 square tubing . 
    • Minimum 2 inch X 3 inch allowed
    • 3inch  X 4 inch tubing is preferred.
• Rear Shelf 
  • There is no penalty of removing or altering the rear shelf
    Please note: removal of the shelf alters the rear clip strength. 
    • A tie in replacement tubing that runs from side to side in place of the shelf is recommended

1.3 Chassis replacement components for A/B, C, D, Seekonk Metric and S

• Johnson Chassis Complete
  • 78-89 GM-METRIC FRAME 4-Link
    OEM 225 lbs 3″ X 4″ x.125 Main Frame Rails
    
• Front Clip  Type A / NETS Chassis/ Type B /D
  •  Johnson Chassis X-Y-G Metric Front Clip
    (Please note: Clips come with carious engine mounting specs. Engine mounts must locate Engine so that Forward most spark plug base is 4 inches forward of imaginary Line between center of Ball Joints. 
  • Hamm GHC 5108  Hamm GHC 54108
  • Howe OEM Replacement
    • Howe tags and logo must be in tact.
    • Team must contact Howe and supply inspection diagram in advance of entering race 
  • Any snout may be submitted for approval. Approval is at the discretion of WTC and may refused without explanation or reason.

• Rear Clip
  •  Johnson Rear Replacement Frame allowed
  • Any rear clip design may be pre-submitted for approval.

1.4 Roll Cage / Chassis/ Frame

• Main Cage Tubing
  (Halo, Front and Rear Main Hoop, Ear bar, Door Bar)
  • All welds must be complete
  • Minimum Size
    • 1.50 inch with minimum .120 wall tubing
    • 1.750 with minimum  .090 tubing
  • Locations (WTC reserves the right to authorize variances)
    • Halo must be within 4 inches of front edge of roof
    • Front Hoop to Ball joint measurement maximum 28 inches
    • Rear Hoop to center of rear axle minimum 32 inches
      • Trucks built after Feb 1 of 2016 must have a continuous diagonal bar extending from the driver’s side top corner of rear main hoop to the base of the rear main hoop on the passenger’s side
        • Anti bow bars must be installed to support the diagonal brace
    • Distance from top of frame to bottom edge of rear hoop minimum 40 inches.
    • Ear bar must be no more than 6 inches forward of rear main hoop (b Post)
    • Right/Passenger side door bars – X method is allowed
    • Drivers Door Requirements
      • Minimum 4
      • Must be plated with minimum .125 thickness steel
      • Minimum height of door bars from frame to top of bars is 22 inches
  • Front down tube
    • minimum wall thickness is .083
    • Must extend forward past front spring buckets
    • Recommended to align with top driver’s door bar
    • No excessive bracing
  • Aft of main hoop
    • Minimum Four back stays
      • Minimum wall thickness .083
      • Recommend two back stays align with top of driver’s door bar and extend to area of rear spring bucket
      • Recommend two back stays run from top of main hoop to frame.
  • Fuel cell protection bar mandatory
  • Bumpers
    • Must contour to body
    • Single tube – front conforming to nose
    • Single tube – rear conforming to bumper cover

Seekonk Metric Chassis dimensions

A- Centerline hole, Forward placement of snout will use two holes for measurements. OEM – 26.5″.
Johnson/Hamm – 27.125″. +/- ½”. Snout MUST be centered to FRAME and REAR CLIP, NO tolerance.
B- Frame rail lengths, from snout centerline hole to end of rail – 75″ Maximum.
C- Chassis frame rails width outside to outside Max 54.0″ +/- ½”.
D- Rear clip outside to outside 42.0″. Mounted centered to front snout.
E- Wheelbase length 102.0″ minimum. No tolerance.
F- Rear clip length 66.0″. +/- ½”.
G- Roll cage length, measured outside of main posts – 44.5″. +/- ½”.
H- Roll cage height: top of cage to bottom of chassis – 47.0″. +/- ½”. The cage must stand at 90 degrees
to the chassis and not go further back than frame rails allow at 74.5″. Refer to (B)
I- Roll cage halo 44.0″ length / 29.5″ width. +/- 1.0″.
J- Down bars from main cage – top 38.0″ outside to outside +/- 1.0″. Bottom attaches to end of chassis piece (N). Bars may intersect with other bars before connection to chassis.
K- Roll cage A-post leg and foot bar maybe moved 3.0″ to outside of main frame rail. 2” x 4” tubing .120″
wall, must be used under the repositioned bars welded off main frame rail or in front of kickout. This is
the only portion of the cage allowed to be repositioned, giving more leg room to the driver.
Rear clip consists of 5-pieces L thru P using 2″ x 3″ .083″ steel box tubing. All angles are with 36-degree
cuts. Listed are the lengths of each piece before angle cuts are made. Don’t forget to factor in blade widths of saw when measuring.
L- 18″
M- 18″
N- 19″
O- 10″
P- 25″
Q- Length between L to O rear clip 41″

C Type Chassis Specific Rules 

• FRAME: 1965-2015 American production full frame cars -wheelbase between 108 and 112 inches.
  • Alteration to obtain 112″ wheelbase allowed
    ( must be within 12 inches of the rear mount points of the rear trailing arms.)
  • Frames may be interchanged from one manufacturer’s line or make to another
• Front and rear snouts must remain stock for make of frame.
  • Cross member cannot be moved from original location , altered  or out of tolerance
  • will be measured and verified by officials for year, make and model.
• No sub-frames / No Offset Frames
• Rear frame section must be stock configuration with reinforcement permitted after rear of mount points of rear trailing arms.
• Altered rear kick-up permitted for axle clearance.
• Frame rails
  • Must remain hollow. No added bracing, tubing permitted inside the frame rail.
  • No holes may be cut in the frame rails to lighten frame.
  • will be measured and verified by officials for year, make and model.
  • Two inch by four-inch steel tubing is permitted from the center of the rear axle to the rear bumper.
  • Two inch by four-inch steel tubing may be used in front of the steering box and A-frame mounts.
• 1.4 Roll Cage / Chassis/ Frame
  • Main Cage Tubing (Halo, Front and Rear Main Hoop, Ear bar, Door Bar)
    • 1 and 1/2 with minimum .120 wall tubing
    • 1/3/4 with minimum  .090 tubing
  • Halo must be within 4 inches of front edge of roof
  • Front Hoop to Ball joint measurement maximum 28 inches
  • Rear Hoop to center of rear axle minimum 32 inches
  • Distance from top of frame to bottom edge of rear hoop minimum 40 inches.
  • Ear bar must be no more than 6 inches forward of rear main hoop (b Post)
  • All welds must be complete
  • X method for Right/Passenger side door bars is allowed
  • Drivers Door Requirements
    • Minimum 4
    • Must be plated with minimum .125 thickness steel
    • Minimum height of door bars from frame to top of bars, 22 inches
    • Padded with proper resilient padding
  • Trucks built after Feb 1 of 2016 must have
    • Continuous diagonal bar extending from drivers side top corner of rear main hoop to the base of the rear rear main hoop on the passengers side.
    • Anti bow bars must be installed to support the diagonal brace.
  • Front down tube minimum wall thickness is .083
    • Must extend forward past front spring buckets
    • Recommended to align with top driver’s door bar
    • No excessive bracing
  • Aft of main hoop
    • Minimum 4 back stays
    • Minimum wall thickness .083
    • Recommend 2 back stays align with top drivers door bar and extend to area of rear spring bucket
    • Recommend to back stays run from top of main hoop to frame.
    • Fuel cell protection bar mandatory
  • Bumpers
    • Single tube – front conforming to nose
    • Single tube – rear conforming to bumper cover
    • Must contour to body

TypeD Type Chassis Specific Rules   (Street Stock Conversion)

• Any American made production chassis with a minimum stock wheelbase of 101- 110″ inches, from 1972 to current date.
  • Chassis may not be altered from stock appearance unless noted in the rules.
  • No alteration/moving of chassis suspension mounting points or spring locations
  • Cross-member may be only altered for engine clearance.
  • Reconstruction of chassis permitted from steering box forward .
  • Reconstruction of chassis permitted from center of rear wheels back.
    • Replacement tubing of the rear frame must maintain a minimum of 8 inches ground clearance.
    • Construction must resemble stock placement.
    • Minimum 2″ X 3″ steel box tubing .090 thickness may be used.
    • No bars may travel under rear end housing.
    • Section must maintain width equal or greater than distance between outsides of rear spring buckets. Rear frame between rails must use same size tubing.
  • Wheel base must be altered to 108 inches with 1” tolerance.
  • The use of X-Y-G Mandrel bend Johnson chassis with no modifications is permitted.
  • The use of  DCA racefab as manufactured 
  • Front mandrel bend clip assemblies from Johnson & DCA may be used on stock metric chassis.
  • Uni-body chassis must use sub-frame connectors.
     
  • C Channel may be boxed.
    • C Channel may be replaced with 0.125 square tubing .
      •  Minimum 2 inch X 3 inch allowed .
      • 3inch  X 4 inch  tubing is preferred.
         
  • Chassis is eligibility is based on existing street stock being converted.  Cage must be constructed by guidelines of original rules for the street stock being converted and also conform with the rules below.  WTC officials may refuse any chassis at their discretion.
    
    • Main Cage Tubing (Halo, Front and Rear Main Hoop, Ear bar, Door Bar)
      • 1and 3/4 with minimum .090 wall tubing
      • 1 and 1/2 with minimum .120 wall tubing
         
    • Ear bar must be no more than 6 inches forward of rear main hoop (b Post)
    • All welds must be complete
    • X method for Right/Passenger side door bars is allowed
    • Drivers Door Requirements
      • Minimum 4
      • Must be plated with minimum .125 thickness steel
      • Minimum height of door bars from frame to top of bars, 22 inches
      • Padded with proper resilient padding
         
    • Front down tube minimum wall thickness is .083
      • Must extend forward past front spring buckets
      • Recommended to align with top driver’s door bar
      • No excessive bracing
         
    • Aft of main hoop
      • Minimum 4 back stays
      • Minimum wall thickness .083
      • Recommend 2 back stays align with top drivers door bar and extend to area of rear spring bucket
      • Recommend to back stays run from top of main hoop to frame.
      • Fuel cell protection bar mandatory
    • Bumpers
      • Single tube – front conforming to nose
      • Single tube – rear conforming to bumper cover
      • Must contour to body

Seekonk-Sport Type Chassis Specific Rules (Does not apply to new Seekonk Metric)

• Main Cage Tubing (Halo, Front and Rear Main Hoop, Ear bar, Door Bar)
  • 1and 3/4 with minimum .090 wall tubing
  • 1 and 1/2 with minimum .120 wall tubing
• Ear bar must be no more than 6 inches forward of rear main hoop (b Post)
• All welds must be complete
• X method for Right/Passenger side door bars is allowed
• Drivers Door Requirements
  • Minimum 4
  • Must be plated with minimum .125 thickness steel
  • Minimum height of door bars from frame to top of bars, 22 inches
  • Padded with proper resilient padding
     
• Front down tube minimum wall thickness is .083
  • Must extend forward past front spring buckets
  • Recommended to align with top driver’s door bar
  • No excessive bracing
     
• Aft of main hoop
  • Minimum 4 back stays
  • Minimum wall thirstiness .083
  • Recommend 2 back stays align with top drivers door bar and extend to area of rear spring bucket
  • Recommend to back stays run from top of main hoop to frame.
  • Fuel cell protection bar mandatory
     
• Bumpers
  • Single tube – front conforming to nose
  • Single tube – rear conforming to bumper cover
  • Must contour to body
• Chassis Weight -All trucks must be specified minimum weights and percentage at all times
                            .
  • Automatic`/ Standard Transmission 2900 lbs
  • Weight Tolerances:  None
     
• Maximum left side weight percentage 56%
   
• Wheel base 102 inches
  • Add 10 lbs for every inch / 5 lbs per 1/4 inch under 108
     
• Ground Clearance
  • All components / body parts must maintain a minimum of 4 inches ground clearance.
  • Chassis 4 inches
  • Fuel Cell 7 inches
  • Exhaust 4 inches
     
• Crankshaft height / placement
  • 12 inches
  • Centered between frame rails
     
• Engine location
  • Forward most spark plug must be even or forward of an imaginary line between ball joints.

2.0  Interior   A/B/C/D/S

• Interior
  • Must be completely enclosed and shield driver
    • from engine compartment
    • from track surface
    • from tires
    • from rear fuel compartment
  • Interior panels must be minimum of 0.040 inch aluminum or steel
  • Interior must be neat in appearance
  • All live wires/terminals must be properly insulated
  • All items must be securely mounted
     
• It is recommended that teams follow SFI specifications for their personal safety.
  The driver is ultimately responsible for  his own safety.
  SA2010 rated helmets are mandatory for all motor vehicle events. Full-face helmets are mandatory.
  A head and neck restraint system (i.e. HANS, Hutchens, or similar) is required. A full fire suit made of double-layered, Nomex material, clean and in good condition is mandatory. Fire retardant gloves and shoes are mandatory and must be worn during all on-track activities.
  Below are links to SFI standards teams should follow regarding the interior.SEAT & SAFETY BELTS: The following is recommended,
  •  Seat belts should use a minimum 5-mount harness
  • Belts must be no less than 3″ wide unless HANS device is used, then 2” wide may be used.
  • A quick release mechanism must be fastened to lap belt.
  • Y-Type shoulder harness not permitted.
    • Where the harness crosses the roll cage, it should pass through a steel guide welded to the roll cage that will prevent the harness from sliding side to side, and connect individually.
  • Belt manufacturers date must not exceed three years or the manufacturer’s recommendation. Belts with no date will not be eligible for use.
  •  It is recommended to use head and neck restraint devices.
  • It is mandatory to use a custom manufactured HIGH BACK (for racing),
    • Aluminum seat. Back and side supports must be no less than .125″ thickness.
    • Bottom and top head support no less than .100″
    • No holes permitted in seats for weight reduction.
    • Seat must be securely fastened per manufacture guidelines.
    • Seat must be located inside chassis rails and cannot be moved back further than the trailing edge of door

3.0   Bodies –  A/B/C/D/S

•  Quality and design of body panels must meet the approval of WTC officials. 
   
• No air management devises under truck. This includes belly pans, air tunneling devices or wicker bills.
   
• All panels must be securely fastened to vehicle.
   
• Truck must be at a level of appearance acceptable to WTC officials. WTC reserves the right to refuse any truck to participate based on appearance. This is at the sole discretion of WTC officials.  Exclusion from competition can be based on sponsor logos/ print /messages, number placement -design and slogans. 
   
• Sponsor advertising releases / ability to assign advertising rights may be required
   
• Nose Piece /Front Bumper Cover/wheel openings and sides
  • The measurement from outside to outside of the front bumper cover may not exceed 81.5 inches
  • The measurement from the front wheel tire bead surface located at axel height at it’s rearward most point and the outside surface of nose piece/front bumper cover cannot exceed 4.0 inches
  • No part of the body may extend past an imaginary that originates 2 inches out from the front wheel tire bead bead and extends rearward through a point 2 inches out from the rear wheel tire bead
  • All 4 wheels must be covered by body panels

• Numbers
  • Numbers are the sole property of the New England Truck Series.
  • A  minimum 24-inch high, 3-inch stroke must be located on the door area on both sides of the race truck.
  •  A minimum of 30-inch high, 3-inch stroke number is required on top of roof facing the passenger side of the truck.
  • One or two digit numbers only unless pre-approved
  • Duplicate numbers not allowed
  • Trucks with existing numbers shall be offered a renewal period in which to register for 2025.
  • The truck is not considered registered until the registration fees are paid in full.
  • Approval of the application , and assignment of numbers is at the sole discretion of WTC Series officials.

3.1 Bodies – Specific Rules A/B

• External bars    (Revised 5/21/17)
  • No bars allowed outside of bodywork
    • includes nerf bars, tow bars, push bars and bumpers
      and external bars made of  unconventional materials such as polycarbonate and carbon fiber
    • Rule may be waived for 1 event at the discretion of officials
  • RUB RAILS: If used, must be carbonate type as manufactured by Five star bodies or similar.
                            No solid types; must be mounted directly to body. Only (1) per side.
• Hood
  • Must remain sealed at fenders
  • No cutting or holes allowed
• Roof height
  • 55 inches Except 2022 and newer Five star design
  • New Five Star design 56 inches
  • Rear Deck
    • Minimum Rear deck height 38 inches
    • Max rear deck height 40 inches
    • Must seal with the exception of openings for Automatic Transmission cooler ventilation.
  • SpoilerFlat-no lips or bends
  • 10 inch
  • Must extend entire width of rear deck
  • May be braced from behind only
    • Spoiler must maintain angle with 15 lbs of pressure applied.
  • Minimum 55 degrees
    • Angle may be changed at discretion of series
    • Trucks that have spoilers that do not meet all of the above conditions at inspection
      will be assessed a 50 lb weight penalty. Spoiler must still pass before competing.

3.2 Bodies – Specific Rules C
 External bars    (Revised 5/21/17)

• No bars allowed outside of bodywork
  • includes nerf bars, tow bars, push bars and bumpers
    and external bars made of  unconventional materials such as polycarbonate and carbon fiber
  • Rule may be waived for 1 event at the discretion of officials
  • RUB RAILS: If used, must be carbonate type as manufactured by Five star bodies or similar.
                            No solid types; must be mounted directly to body. Only (1) per side.

• Hood
  • Must remain sealed at fenders
  • No cutting or holes allowed
• Roof height
  • 56 inches minimum
  • Measured 10 inches back from leading edge of roof
• Rear Deck
  • Minimum rear deck height 38 inches
  • Max rear deck height 40 inches
  • Must seal
• Spoiler
  • Flat-no lips or bends
  • 10 inch
  • Must extend entire width of rear deck
  • May be braced from behind only
  • Minimum 55 degrees
  • Angle be changed at discretion of series without notice
  • Trucks that have spoilers that do not meet all of the above conditions at inspection
    will be assessed a 50 lb weight penalty. Spoiler must still pass before competing.

3.3 Bodies – Specific Rules D

• External bars    (Revised 5/21/17)
  • No bars allowed outside of bodywork
    • includes nerf bars, tow bars, push bars and bumpers
      and external bars made of  unconventional materials such as polycarbonate and carbon fiber
    • Rule may be waived for 1 event at the discretion of officials
  • RUB RAILS: If used, must be carbonate type as manufactured by Five star bodies or similar.
                            No solid types; must be mounted directly to body. Only (1) per side.
• Hood
  • Must remain sealed at fenders
  • No cutting or holes allowed
• Roof height
  • 52 inches  
  • Measured 10 inches back from leading edge of  roof
  • D Chassis must use AR or approved extended cab // full size roof
  • D Chassis is recommended  to add 13-15 inch extension to roof to upgrade to full size. 
     
• Rear Deck (includes Seekonk Metric)
  • Minimum Rear deck height 37 inches
  • Max rear deck height 39 inches
  • Must seal with the exception of openings for Automatic Transmission cooler ventilation.
• Spoiler
  • Flat-no lips or bends
  • 10 inch
  • Must extend entire width of rear deck
  • May be braced from behind only
    • Spoiler must maintain setting with 15 lbs of pressure applied.
  • Minimum 55 degrees
    • Angle may be adjusted on a per track basis
      See individual entry blank
    • Trucks that have spoilers that do not meet all of the above conditions at inspection
      will be assessed a 50 lb weight penalty. Spoiler must pass before competing.

3.4 Bodies – Specific Rules S Metric

• External bars
  • No bars allowed outside of bodywork
    • includes nerf bars, tow bars, push bars and bumpers
      and external bars made of  unconventional materials such as polycarbonate and carbon fiber
    • Rule may be waived for 1 event at the discretion of officials
    • RUB RAILS: If used, must be carbonate type as manufactured by Five star bodies or similar.
                              No solid types; must be mounted directly to body. Only (1) per side.
• Hood
  • Must remain sealed at fenders
  • No cutting or holes allowed
     
• Roof height
  • 53 inches
  • Measured 10 inches back from leading edge of roof
     
• Fender
  • Must cover front tire entirely
     
• Rear Deck
  • Must cover rear tires entirely
  • Max rear deck height 40 inches
  • Must seal
     
• Spoiler
  • Flat-no lips or bends
  • 10 inch
  • Must extend entire width of rear deck
  • May be braced from behind only
  • Minimum 55 degrees
    • May be adjusted on a per track basis
      See individual entry blank
    • Trucks that have spoilers that do not meet all of the above conditions at inspection
      will be assessed a 50 lb weight penalty.Spoiler must still pass before competing.
  S Metric Body Rules
  
   
• H   53 inches 10 inches back from leading edge of roof
• K   36.750 minimum inches
• K   38.250 maximum inches
• Q   74 inches maximum
• Windshield angle 38 degree minimum

4.0   Brakes  A/B/C/D/S

• General
  • Working condition at all 4 wheels
  • No component other than  the master cylinders and brake booster may increase brake line pressure.
  • Rear disc brakes mandatory A/B/C/D  (S is exempt)
     
• Caliper
  • Stock Single Piston Steel Calipers only
  • Howe GM aftermarket caliper (Part# HOW337 or HOW33658) is allowed (must have Howe logo).
  •  Capitol Motorsports alternative caliper (Part# LHC258 or LHC21516) is allowed.
  • Steel caliper slider pins only. Caliper brackets must be steel and may be welded or bolted to the housing tubes or tube flanges.
• Rotors
  • Steel  Only
  • Must maintain thickness stamped on rotor
  • No cross drilling, gas slotting, or machining to enhance rotor performance or cooling
     
• Proportioning valves
  • Maximum 1 – for front and rear bias only
     
• Brake Ducting
  • Must be below bumper height

5.0 Engines –  All Chassis Types

• All competitors must reveal timing setting pre-event.
• Any engine with aluminum heads including Claimer must add 20 lbs per frame rail in an approved manner to the snout. 
• From General rules >  WTC / The ProTruck Series is dedicated to fair and equal competition.
  These are guidelines subject to change if the competitive balance cannot be maintained.
   
• Option 1:   302  Ford      305 Chev      318   Dodge  factory stock blocks only
   
• Option 2: 602 Chevrolet  Sealed
  • Approved seals:
    • Must have factory seals and any of the following
      • Seal from RAD  Ludlow, Ma.
      • Seal  from NAT’s Auto Machine
         
• Option 3: 603 Chevrolet ; Unsealed 602  are now only run as Claimer motors
  
• Option 4 (Includes Riverhead Open)
  • Must be pre-dyno tested at approved facility except S
    • S must have been previously run and inspected per Seekonk Speedway
      to avoid pre-race testing on chassis dyno
  • Max Rear Wheel HP 285 with 0 allowance
     
• Option 5    Claimer Engine
  The $3500 Claimer Engine option has been established with the intention of lowering costs for racers.  Claimer engines are not subject to dyno testing.
  • Individuals Eligible to Claim a Motor
    • Must be owner of a full time registered team
      • All fees must be paid
      • Must have competed in 66% of racers in 2022 for the first two events of 2023
      • Must have taken the checkered flag in the event the claim is made at and finish on the lead lap.
      • At the completion of the 3rd race of 2023 must have competed in 66% of 2023 events.
      • Must be claiming the engine with the intent of using it as a back up or race motor.
      • Teams must have raced their claimer motor before claiming another.
      • The max number of claimed motors in a season is 2 until proof of catastrophic failure during a WTC event of one of the prior claimer motors is provided
      • The series may refuse the claim if there are Championship or points implications.
      • There are no third party claims
      • The claiming fee to the Series is $250.00
      • Claimant  must notify WTC officials within 15 minutes of the conclusion of the event.
      • The Claimant has 1 hour to remove the claimed powerplant.
      • Once removal is started, the sale is final.
  • Payment
    • Cash or Charge through the series with all bank fees payed by the claimant
    • Check if series holds truck until transfer of funs is secured. Claiming team must then come to North Andover to remove purchased motor by agreement.
       
  • Claimer Package
    • Motor must be declared a claimer prior to any race practice or competition.
    • Motor must be registered with the series prior to the race
    • Aluminum Block Motors must be pre-approved
    • Decals indicating that ProTruck has a registered claimer motor must be applied in their proper locations.
    • Once declared, that motor is for sale post race should the claimer motor power a podium finisher. Claimer motors that finish outside the top three are not eligible to be claimed.
       
    • The Claimer package included everything from oil pan to air cleaner.
      • Distributor and any electronics on the firewall side
      • Hoses going to the radiator
        • Radiator is not included
      • Flywheel/ Clutch Assembly is not included
      • Power Steering pump assembly
      • Alternator assembly is not included
      • All pulleys except from Alternator and or power steering pump are included. 
      • Headers are not included
      • oil pressure and oil temperature, water temperature, all gauges are not included.
      • Remote oil filters and adapters are not included.
         
    • Teams may not refuse to sell their motor.
      • refusal to complete sale may result in the team/driver being banned form competition for 2023
      • refusal to complete sale may result in the loss all points and prize money
      • refusal to complete sale may result in fines, etc.
         
    • This rule is an effort to contain racing costs.  WTC reserves the right to discontinue the program without explanation or cause at any time.  
    • WTC may claim engine at any time.
    • WTC may resell engine
    • WTC offers no responsibility for damages done and costs incurred removing engines.
    •  WTC offers no guarantee or warranty of the claimer engine. 
    • The seller of the engine offers no warranty or guarantee.
    • The claim area and inspection area are reserved for owners, officials and drivers.  All other team members and fans must stay out unless approved by a WTC official  
      
• Max Rear Wheel HP  Except option 5 Claimer listed above.
  May be adjusted throughout season.
   
  • Option 1-2  285 with -10- hp allowance.
                          
  • Option 4        280 with -10- hp allowance
    • Must be measured at approved DynoJet Facility
      • DEZ Racing Seekonk Ma is an approved measurement facility
      • RAD Auto Machine , Ludlow Ma. is an approved measurement facility.
         
  • All vehicles must test on series provided zero stagger tires.
    • Vehicle will change tires and then warm up drivetrain until a temperature of 180 degrees is  reached
    • HP value will be determined at an engine temperature between 180 and 200 degrees if at all possible

6.0 Carburetor / Air Induction / Fuel Systems

6.1 Carburetor   Requirements

• WTC has gauges for the following carburetors:
  (To add or approve any carburetor the team requesting the new carb, if approved must purchase and donate the appropriate gauges requested by WTC)
  • Holly 4412 500 cfm 2bbl
  • Holly 0-6895 390 cfm
  • HP 0-80507  390 cfm 
    
• Engines Option 1
  • 325 cu. inches and under.
  • Any 4 bbl or 2 bbl Carburetor
  • May use Holly 4412 500 CFM 2 bbl carburetor and receive 25 lb weight reduction
    

Engines Option 2  (Sealed 602)

• Any 4 bbl
• May use Holly 4412 500 CFM 2 bbl carburetor and receive 25 lb weight  reduction
  • No HP or XP Carburetors
  • Must use 2 throttle return springs
  • Choke plate and shaft may be removed
  • The following items may be changed
    • Jets
    • Power valve
    • Accelerator pump
    • Pump cam may be changed
    • Discharge nozzles
  • Throttle Plate
    • Screws may be machined flush with shaft
    • Idle holes may be drilled
  • Warning: Carburetor may be rejected without reason.
                  It must be able to pass all WTC gauges
                  Do not alter it and you will have no issues

Engines   Options 3 and 4,

• Open motor 325 cu. – 360
  • Must use Holly 4412 500 CFM 2 bbl carburetor or 390 4bbl carburetor
    • No HP or XP Carburetors
    • Must use 2 throttle return springs
    • Choke plate and shaft may be removed
    • The following items may be changed
      • Jets
      • Power valve
      • Accelerator pump
      • Pump cam may be changed
      • Discharge nozzles
    • Throttle Plate
      • Screws may be machined flush with shaft
      • Idle holes may be drilled
    • Warning: Carburetor may be rejected without reason.
                    It must be able to pass all WTC gauges
                    Do not alter it and you will have no issues.
• Option 5 Claimer Engine (Subject to change)
  • No carburetor rules at this time.
  • Individual motors may have specific carb and intake rules applied to maintain fair and equal competition.

6.2 Spacer Plate

• 1 inch spacer place allowed
  • Must be approved at inspection.
  • Can be refused without reason
  • No modifications
  • Max gasket thickness 0.075
  • Option 1-325 cu in  and under may use air management spacer including the “Super Sucker”
    • No Spacer over $150.00 will be approved.

• 6.3 Air Cleaner
  • 12 inches minimum / 18 inches maximum
  • 5 inches maximum height
  • Must be totally covered by hood
  • No Air boxes are allowed
  • Max air opening between hood and windshield is width of the air cleaner used.
    Rear edge of hood must maintain contour of windshield.
    Rear edge may have 4 inch Max vertical opening.
     

6.4 Fuel Systems

• Fuel Pump
  • Stock type
  • Block Mounted
  • Electric pump permitted
    • must be wired to shut down by battery disconnect switch
    • must be wired to shut down by oil pressure switch.
• Fuel Lines
  • Steel braided lines recommended
  • No cooling devices of any type
  • Lines must be steel conduit of passing through interior
  • Only a steel fuel filter may be used.
  • The use of a fuel check valve (Vacuum type) and standard check valve on vent is mandatory.
    • Vacuum check valve manufactured by Fuel Safe.
• Fuel Shut off
  • Must be within reach of driver
  • Must be accessible for safety personnel without leaning into truck
  • Clearly marked off and on
• Fuel
  • ONLY approved fuel allowed
  • Fuel must not mix with water or any additives
    
• Fuel Cell   (New for  2018)
  • Dates (Expiration – Fuel cells / Bladders within 6 years)
    •  It is highly recommended that the fuel cell bladder be no more than six (6) years old.
  •  Gas cap must be painted white with the car number on it for identification. 
  • 22 gallons maximum.
  • must be mounted to the center of the chassis
  • Minimum ground clearance 7″
  • encased in steel container of no less than 22-gauge steel.
  • Minimum of (3) steel braces
    • under fuel cell going from front to back of cell
    • two braces on top for support.
  • crash bar must be mounted at rear of vehicle to protect fuel cell 1 ¾” tubing.
    • Crash bar must utilize four vertical braces.

7.0 Cooling – Chassis  Type A/B/C/D/S

• Radiator
  • Aluminum allowed
  • Stock location and appearance.
     
• Water pump
  • No electric
  • Stock type only
     
• Coolant
  • Water
  • Water Wetter Brand
  • No Antifreeze
     
• Fan
  • No clutch fans
  • No reverse cooling
  • Electric fan Preferred
  • Belt driven may not use plastic or aluminum blades
     
• Catch Can
  • Must be located under hood on right side
  • Overflow must blow on right lower corner of windshield

8.0 Electrical – Chassis  Type A/B/C/D/S 

• No cell phones, smart watches or blue tooth devices are allowed in the race car at any time.
  • Instant DQ for violations

• Any  variation of wiring must be approved pre event.
  • Wiring of race vehicle must be acceptable to WTC officials
  • WTC reserves the right to approve or disapprove any and all variations
    • Variations must be approved by email or text
• Battery
  • Single battery located behind driver and inside chassis rails.
  • 12 Volt System only
  • A master Battery/Kill switch must be installed within reach of the driver and clearly marked.
• Battery Cables
  • Positive Battery Cables must be inside of roll cage.
• Wires
  • Must remain separate
    • Shrink wrap /taping is not allowed
  • Ignition System
    • Must remain continuous from start connector to end connector
      • No splices
      • No bare areas
      • unused connectors
    • Single ground stud for the ignition only
      • A ground wire may run to battery post
      • A gound wire may  run to the main ground stud
  • Accessory
    • All accessory wiring must be independent of ignition system  wiring
    • Must use ground other than Ignition ground stud

• Amplifier Box
  • Mounted out of drivers reach
  • Mounted on the right side
  • 1 Analog box allowed
  • Modifications not permitted
  • Max 6 wires
  • Rev limiters (Must be out of driver’s reach)
    • Quick Change equipped Trucks and Trucks with open motors that measure
      325 cu inches or over must run 6500 chip
    • Max 6500 rpm chip will be required for all engines over 325 cu. inches.
    • Max 6500 rpm chip will be required for all Trucks with quick Change rears
    • Trucks with  less than 325 cu inches must run 6800 chip
       
  • MSD box recommended color codes
    • A    pin 5   Power      Red
    • B    pin 2   Tach        Green or Brown
    • C   pin 6   Coil  –      Black
    • D   pin 1   Coil +      Orange
    • E   pin 3   pick up –   Green
    • F   pin 4  pick up +   Violet
       
  • MSD Recommended part number
    • MSD 6 type  with Chip capability  #6AL6420 , #64306ALN
• Distributor /Coil
  • OEM or OEM replacement distributors, HEI aftermarket distributor modules,
    or coils may be used.
    • MSD Soft Touch Rev Limiter with HEI ignition suggested.
  • Crank trigger systems are permitted for claimer motors without distributor drive capabilities
    • Must be pre-approved
    • Series reserves the right to disallow any crank trigger system without reason.
       
  • Crank trigger systems are not allowed for option 1 thru 4 motors
  • No magneto
     
• Tachometer
  • Mounted on steering column or dash
  • Max 3 wire
    • 16-18 guage
    • Color Codes
      • A  Ground          Black
      • B   Power           Red
        • Must run to power side of the starter solenoid
      • C  Tach speed    Green/Brown

9.0 Exhaust- Chassis  Type A/B/C/D/S

• Headers
  • Readily available
  • Must be able to be purchased online new for $350.00 or less
     
• Exhaust
  • Must use down spouts
  • Must exit minimum 6 inches past drivers compartment
  • Must not go through passenger’s compartment above frame rail height
  • May not exit through side of body
  • Exhaust
    • Trucks temporarily allowed to run with door exhaust must have proper fully baffled muffler and are subject to decibel meter testing. 103 @ 50 feet
       
• Muffler Suggestions
  • Lobak #RCM-25-12-25 or #RCM – 30 -12-30
  • Schoenfield Part # sch63030 #83030  (added 7/21/2019)
  • Both  ends must be unmodified
  • Mufflers must be removable for inspection
  • Max ID is 3 inches
     
• Optional mufflers
  • Unaltered OEM type stock muffler
    • Max inlet/outlet is 3 inches
    • Oval type only
    • Muffler must be removable for inspection

10.0  Rear End – Chassis  Type A/B/C/D/S

• Housing
  • Quick Change Rear Ends allowed…locked only (effective Jan 1 2017)
    (we reserve the right to refuse use of any rear end component with out reason)
    • All Trucks with a  quick change must use a chip-able MSD box
    • Claiming Rule: $2000
      • By any approved team owner or series.
        • Claiming owner must have competed in at least 70% of races in last calendar year.
    • Steel axle tubes only.
    • Quick change must use spool. (Locked rears only)
      • No torque dividing differentials
    • Must have bolt on rear cover.
    • Safety hubs (floater) allowed.
    • Steel solid axles only. No gun drilled.
    • Additional components
      • must be steel with the exception of
        • axle caps
        • one piece drive flange.
    • One inch inspection hole required in housings.
    • No cambered rear ends.
    • Distance from center of rear end housing to the rear hubs left and right must be within one inch in length
  • OEM rear ends must be stock steel
    (we reserve the right to refuse use of any rear end component with out reason)
    • Distance from center of rear end housing to the rear hubs left and right must be within one inch in length.
       
• OEM Ring and pinions
  • Any readily off the shelf available gears allowed
  • No custom ground or lightened gears
  • C-clip eliminators are optional
  • Welded spider gears or mini spool may be used if the original pin and carrier are maintained.
  • No ratchet, limited slip, torque bias, aluminum spool, or aluminum center sections permitted.
     
• Axels
  • Full floating rear axle permitted
  • Heavy duty aftermarket axles allowed
  • Steel only
  • May not be gun drilled
     
• Upper Control Arms
  • Adjustable upper control arms allowed
  • Must mount in stock mounting holes
  • Heim joints allowed
     
• Lower Control Arms
  • Adjustable lower control arms allowed
  • Must mount in stock mounting holes
  • Heim joints allowed
     
• Restrictive devices
  • No devices that limit or restrict rear suspension travel are allowed
  • Bump stops not allowed
  • Coil Spring binding not allowed
  • Chains to raise rear end are allowed
    • Must allow frame rail to raise 3 inches before rear tire is raised
       
• Gear Ratios  (Subject to change as needed)
  • A/B/C/D/S
    • Gear ratios and or Chip rule will be announced track to track.
    • Tracks 3/8 mile or smaller the final drive cannot exceed 6.25
    • Tracks greater than 3/8 mile and less then a mile final drive
      cannot exceed 5.25

11.1  Chassis  Type A/B/C/D/S

• Steering Box
  • Stock type Steering box only
    • S type with OEM rack and pinion may use OEM rack and pinion
  • Must be in stock location
     
• Steering shaft
  • Must  use two u-joints on the steering shaft, unless collapsible shaft is used.
  • Connection at steering box must be changed to a solid U-joint, (no rubber).
  • A quick release coupling on steering wheel is mandatory.
  • Center of steering wheel must be padded with 2″ fire resilient material
     
• Idler arm
  • Stock OEM for frame being used
     
• Pitman arm
  • Stock OEM for  frame being used
     
• Center drag link
  • Stock or OEM type non-adjustable replacement for frame being used
     
• Inner and Outer Tie Rod Ends  /  Sleeve
  • Heim joints may replace tie rod ends
  • Aftermarket sleeve may replace stock OEM sleeve

12.0   Suspension – Chassis  Type A/B/C/D/S

12.1 Chassis  Type A/B//D/S

Front suspension

12.1 Chassis  Type A/B//D/S

Front suspension

• Lower control arms
  • OEM G Body in stock location
  • Howe and Johnson OEM permitted
• Ball Joints
  • Approved Mono-ball is allowed.  We reserve the right to refuse Mono-balls at WTC’s discretion
     
  • Spindles
    • Stock GM OEM in Stock location
    • OEM replacement spindles allowed ( Must not change geometry)
      • Capitol CMS56318 -CMS56319
      • Coleman steel spindle P/N 19975 or Coleman steel spindle P/N 19976
      • From the Coleman website:
        For ease of ordering all spindle parts are sold individually. To put together a complete spindle you will need to order each part separately. You will need: 1-spindle upright, 1-steering arm, 1-brake bracket, 2-steering arm bolts and 2-brake bracket bolts for each spindle. These spindles feature aluminum or steel steering arms, gusseted steel upright, and steel caliper brackets. The spindles are available in two heights:
        Part number 19975 is referred to as 8″ but is actually 7-3/4″ tall.
        Part number 19976 is referred to as 9” but is actually 8-1/2” tall.
        Both have 10 degree spindle inclination with 3 3/4″ spindle pin height
    • Non OEM Steel Spindles add 25 lbs
    • Steel OEM  pin adapter when converting to wide-five hubs.
      •  – 25 lbs ( 10 degree spindle inclination and 3/3/4 spindle pin height must be maintained.
    • Must be reamed to same taper as ball joint
    • Spindle savers recommended
    • Steel OEM replacement spindles using pin adapter when converting to wide-five hubs.
      •  – 25 lbs
         
  • Brake Caliper
    • In Stock location
       
  • Upper A-Arms
    • Steel
    • Any length
    • Non-adjustable
    • Aluminum cross shafts allowed
       
  • Hubs
    • Heavy duty allowed / recommended
    • Wide Five hubs add  75 lbs. (Includes spindle penalty)
       
  • Front Sway bar
    • Any GM stock type front sway bar
    • 1 piece
    • Max 1 and 1/2 inches
       
  • Tread width
    • Supplied by team both front and rear
      • width must be recorded on decal with weight penalty if any – pre race.
        ( Decal will be supplied)
    • A/B C and D except Seekonk Metric
      • Minimum 73 inches measured from outside of rim to outside of rim
      • Max front and rear tread width 74 inches
      • Over maximum add 20 lbs per inch or 10 lbs per 1/2 inch
         
    • Seekonk Metric minimum 71 inches
      • Max front tread width 72 inches
        • Over maximum add 20 lbs per inch or 10 lbs per 1/2 inch
           
  • Bushings
    • No eccentric bushings
    • No non-factory adjustable devices allowed on the suspension
       
  • No devices are allowed that tie down, limit, or restrict front suspension travel.
     These include but are not  limited to Bump Stops, Coil Spring Binding, Chains, etc.
    • Frame rail must be able to raise 3 inches without rear wheel raising off ground.

Rear Suspension  (Does not include axle housing, gears, axles, etc.)

• • 4-link with all suspension points retained to manufacturer specs.
    (Must be able to pass inspection using Johnson Chassis inspection tools
     
  • 3 point Suspension
    • Add 50 lbs.
    • Lower trailing arm must connect to chassis to stock mount in stock location
      • C/D  Chassis Add 25 lbs for altered front mount
      • Max trailing arm length 28.00 inches eye to eye.
    • All links including Upper link must be tubular with spherical rod ends or stock
      • No springs, rubbers or other design allowed.
    • Upper link max 16.0 inches.  Add 10 lbs for every 1inche over.
      Examples below include allowance
      (16.251 – 17.250 add 10 lbs)
      17.251 – 18.250 add  20 lbs)
       
  • Rear tread width max 74 inches
    • May not be wider than front
    • If over add 20 lbs per inch or 5 lbs per 1/4 inch
       
  • Bushings
    • No eccentric bushings
    • No non-factory adjustable devices allowed on the suspension
    • Upper mounts of rear end housing may use only swivel bearing type
       
  • No devices are allowed that tie down, limit, or restrict the rear suspension travel.
    These include but are not  limited to Bump Stops, Coil Spring Binding, Chains, etc.
     
• Rear Sway bar is not allowed

Springs and Shocks

Springs Front & Rear

• Steel – Magnetic
• Jacking Bolts permitted at all four wheels
  • above spring only.
• May not be custom wound
• No coil over springs allowed
• No coil over eliminators allowed
• Must be mounted in stock location
• Minimum 5 inches
• Minimum front spring race 550 lbs
• Spring must be readily available for purchase for less than  $150.00
• S Chassis must use rear leaf springs

• Shocks   Front & Rear
  • Must mount directly to lower control arm
  • 1 shock per wheel
  • Must be readily available for purchase for $205.00
  • Shock can be claimed by series or any competitor for $230.00

12.2  Suspension – Chassis  Type C

Front Suspension

• Lower Control Arms
  • Must use factory mounts
  • Unaltered
  • Stock length
  • Howe and Johnson OEM permitted
     
• Spindles
  • OEM replacement spindles allowed ( Must not change geometry)
  • Non OEM Steel Spindles add 25 lbs
  • Steel OEM  pin adapter when converting to wide-five hubs.
    •  – 25 lbs
• Upper A-Arms
  • Steel
  • Any length
  • Non-adjustable
  • Aluminum cross shafts allowed 
     
• Hubs
  • Heavy duty allowed / recommended
  • Wide Five hubs add  75 lbs. (Includes former spindle penalty)
    • Steel OEM replacement spindles using pin adapter when converting to wide-five hubs. – 25 lbs
       

• Tread width
  • Supplied by team both front and rear
    • width must be recorded on decal with weight penalty if any – pre race.
      ( Decal will be supplied)
  • A/B C and D except Seekonk Metric Minimum 73 inches measured from outside of rim to outside of rim
    • Max front and rear tread width 74 inches
    • Over maximum add 20 lbs per inch or 10 lbs per 1/2 inch
       
  • Bushings
    • No eccentric bushings
    • No non-factory adjustable devices allowed on the suspension
• Ball Joints
  • Mono-ball is not allowed
     
• Restrictive devices
  • No devices are allowed that tie down, limit, or restrict front suspension travel.
    These include but are not  limited to Bump Stops, Coil Spring Binding, Chains, etc.
• • 3 point Suspension
    • Add 50 lbs.
    • Lower trailing arm must connect to chassis to stock mount in stock location
      • C/D  Chassis Add 25 lbs for altered front mount
      • Max trailing arm length 28.00 inches eye to eye.
    • All links including Upper link must be tubular with spherical rod ends or stock
      • No springs, rubbers or other design allowed.
    • Upper link max 16.0 inches.  Add 10 lbs for every 1inche over.
      Examples below include allowance
      (16.251 – 17.250 add 10 lbs)
      17.251 – 18.250 add  20 lbs)
  • Bushings
    • No eccentric bushings
    • No non-factory adjustable devices allowed on the suspension
    • 3 point Suspension
      • Add 50 lbs.
      • Lower trailing arm must connect to chassis to stock mount in stock location
        • C/D  Chassis Add 25 lbs for altered front mount
        • Max trailing arm length 28.00 inches eye to eye.
      • All links including Upper link must be tubular with spherical rod ends or stock
        • No springs, rubbers or other design allowed.
      • Upper link max 16.0 inches.  Add 10 lbs for every 1inche over.
        Examples below include allowance
        (16.251 – 17.250 add 10 lbs)
        17.251 – 18.250 add  20 lbs)
    • Bushings
      • No eccentric bushings
      • No non-factory adjustable devices allowed on the suspension
      • Upper mounts of rear end housing may use only swivel bearing type
         
• Upper mounts of rear end housing may use only swivel bearing type

Rear Suspension

• May not be wider than front
   

• 3 point Suspension
  • Add 50 lbs.
  • Lower trailing arm must connect to chassis to stock mount in stock location
    • C/D  Chassis Add 25 lbs for altered front mount
    • Max trailing arm length 28.00 inches eye to eye.
  • All links including Upper link must be tubular with spherical rod ends or stock
    • No springs, rubbers or other design allowed.
  • Upper link max 16.0 inches.  Add 10 lbs for every 1 inch over.
    Examples below include allowance
    (16.251 – 17.250 add 10 lbs)
    17.251 – 18.250 add  20 lbs)
• Bushings
  • No eccentric bushings
  • No non-factory adjustable devices allowed on the suspension
  • Upper mounts of rear end housing may use only swivel bearing type
     

• Front Sway bar
  • Any GM stock type front sway bar
  • 1 piece
  • Max 1 and 1/2 inches
     
• Rear Sway bar is not allowed
   
• Springs
  • Steel – Magnetic
  • Jacking Bolts permitted at all four wheels
    • above spring only.
  • May not be custom wound
  • No coil over springs allowed
  • No coil over eliminators allowed
  • Must be mounted in stock location
  • Minimum 5 inches
  • Minimum front spring race 550 lbs
  • Spring must be readily available for purchase for less than  $150.00
     
• Shocks
  • Must mount directly to lower control arm
  • 1 shock per wheel
  • Must be readily available for purchase for $205.00
  • Shock can be claimed by series or any competitor for $230.00

13.0  Transmissions Clutch/Driveshaft/Flywheel Chassis  Type A/B/C/D/S

• Automatic transmissions allowed
  • Chevrolet T-350,
  • GM Powerglide
    • Must use 4 stock type plates (No aftermarket)
  • Ford C-4, Ford C-6
  • Dodge 904 Torque Flite, 727 Torque FliteSteel
  • Cast hubs are allowed
• Must use fluid filled torque converter
  • Minimum diameter 11 inches at turbine shell (allowance 0.20″)
  • Max stall speed 3000 rpm
  • Forward and reverse gears must be functional
  • Oil cooler allowed
  • All internal parts must be OEM type for the engine/trans
  • All bushings and  shims must be OEM type
  • No Torrington bearings
•  Scatter Shield
  • SFI approved scatter shield is mandatory
• Extra hand and foot controls are not allowed
• Standard Transmissions
  • Magnus Muncie Sealed 2-Speed Spec Transmission approved
  • Muncie OEM with 1st and second gear removed is allowed
  • OEM production 3&4 speed transmissions allowed
    • Internal parts must be unaltered stock
    • Gear ratio must be stock
    • High gear may be closer than 1.5 to 1
    • All gear ratios are to be provided to WTC
      (Identify your gears – we will ask)
• Clutch-Pressure plate
  • must be OEM type steel
  • No multi-disc clutch allowed
• Flywheel
  • Solid steel only
  • Minimum Weight for the Clutch , Flywheel and Pressure plate combination, 30 lbs.
• Drive Shaft
  • Must be painted white
  • Minimum diameter 2 inches
  • Two drive shaft loops mandatory2 inches by 3/16ths flat bar steel
    or 1 inch round .095 steel tube

Inspection: Transmission may be impounded for the purpose of inspection. It will be delivered to Magnus Transmission at the series expense. It will be returned to the competitor at the series expense. Rulings on if the transmission conforms to the above specifications may be offered by Mike Sangermano. Those will be accepted as the official opinion of the series.
  Approved Dealer
 Magnus Transmission
Mike Sangermano

14.0  Tires and Wheels – Chassis Type A/B/C/D/S

• Tires   A/B/C/D
  • Hoosier #500 9 inch tire purchased from Hoosier Tires East (Left side only) or the Series
  • Hoosier #10-60 10 inch tire purchased from Hoosier Tires East (Right  Side Only) or the Series,
  • Hoosier 970  (Subject to change at Series discretion)
    • Must be purchased from Hoosier Tires East
    • Serial Numbers must be recorded on receipt
    •  Hoosier Tires East must be made aware that these tires are being purchased for NETS competition. this information must also be contained on the receipt.
  • No shaving,  altering, chemical soaking, or chemical treating
  • No unapproved grooving
• Tire allotment policy
  (The tire allotment policy has been developed to save teams money.  Any attempts to circumvent the intent of this rule will be dealt with severely. Baring damage, the max number of tires a team should need is 20 for the season)
  • Teams have no limit on the number of tires purchased.
  • All tires must be recorded with WTC to be eligible for use .
• New tires may be used without penalty in the “New Tire” events. Whether the event is a new tire or used tire event will be on the entry blank. Every other event is a New Tire event.
• Previously run tires
  • Previously run tires must be run in used tire events
  • A previously run tire is a tire that has competed in 50% of the laps of at least one event 2024.
    All other tires including used from a previous year are to be considered new.
  • Teams requiring 1 or more new tires at an event requiring previously run tires
    for any reason  must:
    • Run the new tire (s) in every practice, and qualifying session in addition to the race.
    • Teams with 1 new tire cannot start further forward than 7th in these events
    • Teams with more than 1 new tire must start at the rear of the field
  • Teams running new tires on “Non tire purchase weekends” will be paid $500 to win or
    1/2 of whatever the winner’s purse may be.
  • Teams running new tires on used tire events are not eligible for bonus and contingency awards.
• Teams that fail tire chemical testing will be disqualified and loose points for the season..
• The tire rules may be adjusted as needed without notice to accomplish the cost saving goals
  
• Tires S
  • Hoosier 14 inch 790
    • Must be purchased from Hoosier Tires EastSerial Numbers must be recorded on receipt Hoosier Tires East must be made aware that these tires are being purchased for WTC / ProTruck Touring competition. this information must also be contained on the receipt.
• Wheels
  • Type A/B/C/D
    • 15 inch  x  8 inches
      15 inch x Max 10 inch Right Side only
    • Steel only
    • Bleeders not allowed
  • Type S
    • 14inch x 8inches
    • Steel
    • Rims must have equal off set from left to right including spacers.

15.0  Windows – Chassis  Type A/B/C/D/S

• Front Windshield
  • Polycarbonate mandatory
  • Window must be braced in a manner that prevents bending concave
  • Minimum front windshield angle is 37 degrees at center
• 2022 and Newer design Five Star Body Trucks are exempt from the window rule provided the body was installed in accordance with Five Star’s body rules below.  Truck not meeting specs must run their rear spoiler at a minimum of  80 degrees.

• Rear Windshield
  • Polycarbonate mandatory
     
• Side windows
  • Not allowed
  • Opening minimum 17 inches
  • not limited to body clearance
  • includes top of door to cage
     
• Aquaducts
  • Max 2 standard size per side  (WTC reserves the right to refuse use without reason)
  • Cover when not in use cannot extended more than 1  inch past opening
     
• Window Net:
  • Mandatory, ribbon or mesh type only.
  • SFI rated.
  • Must be hinged from bottom with quick release buckle or lever type latch.