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Small Block/Big Block Street Rules
6200 lb

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Engine

1. Cubic inch limit will be 408 for small block and 510 for big block with a 1% allowance
2. Engine class will be designated by the factory
3. Must run a factory block, no aftermarket blocks
4. No alum. heads allowed unless equipped from the factory
5. Must run a factory style carb or 4150 style, no dominators
6. Must run standard pump or racing gas, no additives or oxygenated fuels
7. Electric fuel pumps, electric fans, and aftermarket regulators allowed
8. Aftermarket ignition boxes allowed
9. No nitrous allowed

Body, Chassis, and Drivetrain

1. No cutting of the bed
2. Must have factory glass in all windows
3. Must have a factory style seat, no racing seats
4. Hitch height will be 26” max., custom hitches will be allowed but must extend beyond the rear of the bed or bumper if the truck is so equipped and must be a Reese style.
5. Rear axles can be blocked solid but the blocks must be removable, not welded in
6. Weight racks are allowed but the furthest point (rack itself or something attached to it) must not extend further than 60” forward from the center of the front axle and must be removable from the truck (not welded on).
   *No weights allowed in the cab.
7. No drivetrain parts larger than 1 ton allowed
8. If running tires larger than 35” tall (as designated by the manuf.)  a u-joint shield must be run on the joints at the axles.  The shield must cover the joints completely and be 1/4” thick if made from steel and 3/8” thick if alum.
9. No hydraulically assisted steering

Exhaust

1. Exhaust must run at least to the back of the cab

Tires and Wheels

1. All tires and wheels must be DOT approved

 

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