Mountain Boyz
TRUCK AND TRACTOR PULLING
6200 lb Small Block 4WD Truck Rules
2023 Purse will be: Total $800
1st - $250
2nd - $175
3rd - $150
4th - $100
5th - $75
6th - $50
See General Rules for class representatives.
Weight: 6200 lbs with 50 lb tolerance
ENGINE:
1. Engine must be classified as a small block from factory. Aftermarket blocks allowed, with the exception of the Ford Cleveland style motor. (Cleveland style motor must run a factory production style block that was available in a production car or truck and have original casting numbers in place.) No Ford modular style engine. No Crysler Hemi style engine allowed.
2. LS engines permitted. Must be factory block and factory heads. Must have original casting numbers in place.
3. 440 cubic inch limit with a 1% tolerance.
4. Engine must be in factory location. Radiator must be located in front of engine in stock location.
5. No dry sump oiling system allowed.
6. Cylinder heads must be factory valve angel. Heads may be aluminum or cast iron. Heads must accept a cast intake that is readily available to the publi. No sheet metal intakes allowed.
7. No raised runner heads allowed.
8. Only one carburetor allowed and it may be 4150 or 4500 flange. Fuel may be pump gas or race fuel. Oxygenated fuel allowed. Fuel injection allowed. No alcohol, nitrous oxide, or nitrous accessories allowed on engine. (Plate, etc.)
CHASSIS
1. Any DOT approved tire will be allowed not to exceed 35x14.50 size. No cutting or grooving of tires allowed.
2. Must be 1 ton or lower drive train.
3. Drive shaft loops and universal shields required.
4. Blowproof bell housing required for manual transmission. A blanket or shield is required for automatic.
5. Wheel base must be factory specific for year and make. No altered wheel bases allowed.
6. Trucks will be limited to an extended cab with short bed. Wheet base limit of 144".
7. No fiberglass body parts with the exception of hood and tailgate.
8. All hitches must be safe, secure, and rigid in all directions. Max height of 26". No hydraulic hitches allowed. Hitches must be at least 27% of wheel base. Hitch will be measured from center of rear axle to the hook point on hitch. 1" allowance on all measurements.
9. Hitches must be one solid draw bar from where it attaches on frame out to the hook point. No slide adjustments in and out permitted.
10. Hanging weights will be allowed. Weight can not be more than 60" from the center of front axle to the further most point of weight. 1" allowance on measurements.
11. Any loss of weights, excessive fluid, parts, etc. will be grounds for disqualification. Exemption if forward motion has stopped when breakage occurs.
12. If puller goes out of bounds that vehicle will be disqualified.
13. Puller will be allowed a second attempt to start the sled if the pulling vehicle gives up on attempt before 75 ft. mark. (Vehicle can go further than 75 ft. but must be trying to stop.) (Unless in pull off)
14. A full pull is 320 ft. Anything past that will require a pull off unless stated otherwise by promoter.
15. Any interference from driver, crew on track, or scales is grounds for disqualification.
SAFETY
1. All drivers must wear a helmet and approved fire jacket.
2. Every pulling vehicle must be equipped with at least a 5lb fire extinguisher.
Vehicle must have a working kill switch with a 1" hole for hook point at the rear of truck. Must be within 3" of center of truck.