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- WTC reserves the right to adjust rules to maintain fair and competitive balance.
- Any race truck may be dyno tested by the series at any time.
- 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.
- Lead must be forward of firewall
- Lead must be on top of snout (Not the kick up)
- Lead must be safely mounted with weight marked on it.
- Aluminum Blocks are not approved at this time.
- Dry sump oiling systems are not approved at this time.
- 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: 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
- Pettit
- Series may inspect any engine in any manner despite seals
- All engines must meet Sealed Engine Alliance criteria
- Option 2: 603 Chevrolet ; Unsealed 602 are now only run as Claimer motors
- Option 3: Open Motor
I(ncludes Riverhead Open)
- 302 – 360 cu in
- Must be pre-dyno tested at approved facility except S
Do not bring it without a Dyno test from Dez in Seekonk
- S must have been previously run and inspected per Seekonk Speedway
to avoid pre-race testing on chassis dyno
- Max Rear Wheel HP 290 with 10 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 for HP rules enforcement. Claimer motors may be dyno tested by the series for competitive balance data. Updated 7/7
- 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 races to date in 2026.
- Must have taken the checkered flag in the event the claim is made at and finish on the lead lap.
- 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 Series may refuse any claim solely at their discretion.
- The claiming fee to the Series is $250.00 paid at the time of the claim
- Claimant must notify WTC officials within 15 minutes of the conclusion of the event.
- The Claimant has approximately 1 hour to remove the claimed powerplant. WTC officials may extend this time at their discretion.
- Once removal is started, the sale is final.
- Eligibility formula: Updated 7/7/26 for clarity
- Races Claimant Attended / Scheduled 2026 Races Completed = 66% or more
- At the completion of Challenge race 5, the Claimant must have completed 4
- At the completion of Challenge race 6, the Claimant must have completed 4
- At the completion of Challenge race 7, the Claimant must have completed 5
- At the completion of Challenge race 8, the Claimant must have completed 6
- At the completion of Challenge race 9, the Claimant must have completed 6
- At the completion of Challenge race 10, the Claimant must have completed 7
- Payment
- Cash or Charge through the series with all bank fees payed by the claimant
- Check if series holds truck until transfer of funds 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 (top 3). Claimer motors that finish outside the top three are not eligible to be claimed with the exception of motors claimed by the series.
- The Claimer package included everything from oil pan to air cleaner.
- Distributor and any electronics on the firewall side are included
- Hoses going to the radiator
- Flywheel/ Clutch Assembly is not included
- Power Steering pump assembly is not included
- Alternator assembly is not included
- All pulleys except from Alternator and/ or power steering pump pulleys 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 indefinately
- 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 engines 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 1 295 with -10- hp allowance.
Anything over 305.0 will be dq’d
- Option 3 290 with -10- hp allowance
Anything over 300.0 will be dq’d
- Must be measured at approved DynoJet Facility
- DEZ Racing Seekonk Ma is an approved measurement facility pre-race
- 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
