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Weights and Measurement Quick Reference |
1.4 All Trucks must be at specified minimum weights and percentage at all times A/B (Waterford origin 4 link) Weights 2900 lbs Maximum Left Side Percentage 56.0 Minimum Nose Weight 54.0 Wheelbase 108 inches Ground Clearance 4 inches including exhaust except Fuel Cell and Crankshaft Fuel Cell 7 inches Crankshaft Height 12 inches Crankshaft Must be centered between frame rails Engine Location- Forward most spark plug base must be 4 inches forward of imaginary Line between center of Ball Joints. (Tolerance .25 – .5 inch max) C (Riverhead Origin) Weights 2900 lbs Maximum Left Side Percentage 56.0 Minimum Nose Weight 54.0 Wheelbase 112 inches Ground Clearance 4 inches including exhaust except Fuel Cell and Crankshaft Fuel Cell 7 inches Crankshaft Height 12 inches Crankshaft Must be centered between frame rails Engine Location- Forward most spark plug base must be 2 inches forward of imaginary Line between center of Ball Joints. (Tolerance .25 – .5 inch max) D (Street Stock Conversion) Weights 78-87 G-Body Metric Frame 2950 lbs Non-metric including Camaro 3025 lbs Maximum Left Side Percentage 56.0 Minimum Nose Weight 54.0 Wheelbase 108 inches Ground Clearance 4 inches including exhaust except Fuel Cell and Crankshaft Fuel Cell 7 inches Crankshaft Height 12 inches Must be centered between frame rails. Engine Location- Forward most spark plug base must be 2 inches forward of imaginary Line between center of Ball Joints. (Tolerance .25 – .5 inch max) S – Metric (Seekonk origin) Weights 3070 lbs (includes wheel base penalty of 20 lbs per inch under 108) Maximum Left Side Percentage 56.0 Minimum Nose Weight 55.0 (Adjusted 1% higher due to Engine height and set back) Wheelbase 102 inches Ground Clearance 2 inches All components including Exhaust Fuel Cell 7 inches Crankshaft Height 11 inches Must be centered between frame rails Engine Location forward most spark plug base even with a line between center of Ball Joints. (Tolerance .25 – .5 inch max) 1.5 Weight Tolerances: None – No other weight tolerances allowed 1.6 Weight Adjustments *Three link rear Add 50 lbs. all Chassis *Lower trailing arm must connect to chassis to stock mount in stock location *All 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. Rear Shelf Metric (A/B S) All Metric Chassis had a shelf therefore are to apply shelf rule including S. 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.. Aluminum Heads ( Claimer or 603) Add 20 lbs per frame rail as specified in the engine section (5) Carburetor2bbl 4412 deduct 25 lbs if original motor eligible for 4bbl (Option 1 & 2 & Claimer) Tread width – (See Section 12 for specification) Over specification for Chassis add 20 lbs per inch or 5 lbs per 1/4 inch |