- 9/26/22 Wheel base weight penalty for under 108
increased to 20 lbs per inch
- 3/9/22 Stock Rear Shelf retention for A/B
Chassis clarified.
- 6/5 Number rules updated on size and location
- 12/11 MSD box / Electrical wring rules update
for 2021
- 12/6/20 Nose and body width rules updated for all
chassis
- 6/9/20 Rule changes to include new Seekonk Metric
Chassis
- Placed in D Chassis Type
- Decreased wheelbase penalty to 10 lbs per inch
- 9/11/19 Corrected Option 4 engine rule to eliminate
the allowance and standardize to 285
- 7/21/19 Addition of Muffler
- Schoenfield Part # sch63030
- 12/1 Clarification C Chassis adds 50 lbs for 3
point
- 12/1 addition - Frame rail must be able to raise 3 inches
without rear wheel coming off of ground.
- 12/1 Ball Joints -
Mono-ball is not allowed (by competitor majority request,
delayed enforcement for 2019 season)
- 4/22/18 S Chassis Rear Gear is now the same as all
other chassis
- 4/22/18 Total weight of S Chassis reduced to 2800 lbs.
- 10/3 Rear Spoiler must be at 55 degrees for:
- Stafford Motor Speedway
- Thompson Speedway
- 8/6 Removed Green White Checkers wording to avoid
confusion on rules made at venues.
- 6/2
- Tire grooving guidelines are posted in Section 14
- 6/1 Addition of Muffler
- Schoenfield Part # sch63030
- 5/22/2017
- No bars allowed outside of bodywork
- includes nerf bars, tow bars, push bars and
bumpers
- 9/1/2016
- 302 Ford may use air management
spacer including the "Super Sucker"
- No Spacer over $150.00 will be approved.
8/12/2016
- Rear Deck
- Must seal with the exception of openings for
Automatic Transmission cooler ventilation.
- 8/8/2016 A/B Chassis
- 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.
- 8/8/2016
- 305 Chevrolet may use air management
spacer including the "Super Sucker"
- No Spacer over $150.00 will be approved.
- 8/8/2016 12.0 Wide 5 add
50 lbs for C Chassis
- 7/13/2016 1.0 Type error corrected
changing Minimum to Maximum for left side % spec.
- 4/21/2016 6.1 Carb rules were revised
after chassis dyno testing of trucks.
- 3/31/2016 Dodge may run Magnum Heads.
All engines subject to dyno testing / carb mandates or plates
Ruling: No reason to withhold request for change.
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