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FWD BUMP N RUN

(FWD) Stock Autocross / Bump N Run

  1. Open to any year – FWD 4 or 6 cylinder front wheel drive car, mini van, crossover SUV or station wagon. 
  2. These are stock classes. Cars must remain stock. NO body creasing, folding, bending or shortening.
  3. IMPORTANT!! All glass must be removed and swept from vehicles, trim, door handles, plastic bumper covers, grill, head lamps and tail lamps must be removed BEFORE ARRIVING TO SHOW. You must have a chain or 9 wire from roof to dash area. Sunroof openings must be covered. You may use any seat including racing seat.
  4. AIR BAG SAFETY SYSTEMS (this includes activation charges) must be removed. If air bag or activation charge is deployed during heat you may be disqualified.
  5. You must have a 6” x 6” hole cut in hood & trunk for inspection. Under hood insulation must be removed.
  6. Hood & trunk may be fastened with chain wire , if wired or chained maximum of 6 spots. 2 of those 6 spots to bumper max or hood may be bolted in 2 spots.
  7. You MUST have a 24” x 24” sign with car number painted on each side of sign and placed upright and center of the roof of the car. MAKE SURE NUMBER IS CLEARLY VISIBLE FOR THE SCORE KEEPERS! If we can’t see your number, we can’t score you. Numbers will be first come, first serve.
  8. Driver’s door is the only door that can be completely welded. This door must also be padded on the inside.
  9. Driver’s door must have some kind of protection which will consist of plate, angle iron, or pipe – with no sharp edges. Must be bolted, welded or 9 gauge wired. No extruding bolts on driver’s door protection. This can be mounted inside, outside or through center of door. This is for driver’s protection only. All other doors can be wired or chained in up to 6 spots. Or you may weld 2 2”x2” plates on all other doors and trunk. C channel or angle iron must face towards door. Ends must be cut on 45 degree angle. No sharp edges. Door bars and gradder blades cannot exceed 60 inches long.
  10. Hood may be chained or wired only, up to 6 places, hood can be bolted in 2 spots.
  11. Stock gas tank can remain in stock location if in front of rear axle. If the tank is not in front of the rear axle it must be moved to back seat area inside the car. Factory tank and pump can be used. Any gas tank inside car must be securely fastened and covered. ANY leakage will lead to disqualification. It is recommended to add 2 additional straps to stock tank.
  12. Battery may be mounted in position of your choice and needs to be secure and covered. If in stock location battery must be covered with rubber and spray foam may be used to protect battery.
  13. Stock exhaust may be cut off under vehicle behind front seat – it must remain under car – 
  14. Stock emergency brake or a aftermarket will be allowed
  15. Rear ends must be stock, NO swapping of rear ends unless it is a direct bolt in. Must have brakes that work.
  16. Stock suspension – period!
  17. Frames – no welding of any kind. No pre-bending.
  18. Engine & transmission must be stock make & model of vehicle. No nitrous oxide. If UMS or USA feels engine is not stock you will be moved to Mod Class.
  19. You may relocate ECM computer and spray foamed.
  20. Engine & transmission may be chained or wired in 4 spots MAX. No welding. Upon inspection UMS and USA decision will be final.
  21. No skid plates, no radiator protection. You may use spray foam to hold radiator in.
  22. All vehicles must have ve (5) lug nuts and ve (5) lug studs on each wheel. 1” racing lug nuts strongly recommended. Supporting rim center is allowed. If it came with 4 then it needs 4.
  23. Tires must be of OEM nature. No cut tires, no snow tires, no exotic tires. Stock radial tires ONLY. Winter Force or Blizzard Grip type tires will be allowed. You may also have additional side wall, you may tube and you can have valve stem protectors. Donut spare may be used on back. No small after market rear tires. Decision of UMS and USA is final.
  24. Pre-ran vehicles that are damaged – you may fix broken, rusted or damaged parts, you may not make any stronger than how it came from factory. UMS and USA will make final decision on repairs.
  25. THIS RULE APPLIES TO OFF ROAD DERBY ONLY: you may do this for derby cars/vans if you want – but not required: Roll over protection – you must have a minimum of 1vertical post behind driver’s seat. You may also have one behind passenger seat. This must go from floor to ceiling with a minimum of 1/4” x 6” x 6” plate on each end. Must be bolted and/or welded. Post must be minimum 2” pipe or 2” x 2” square 1/8” tubing. An approved 4 point roll cage is recommended but not required. Bars coming o back of cage can go no further back than speaker deck outer door bars and grader blades cannot exceed 60 inches. All bars must be inside vehicle. All classes MAY have a seat bar that can run horizontal from B post to B post. No larger than 4” x 4” with a 6” x 6” plate on each end, must be bolted or welded.

Bumper rules : You may run the stock bumper that came on vehicle, or you may run any stock 1980 or newer non-chrome automobile type bumper. The only exception will be a 1980 newer chrome bumper skin lightly welded or bolted onto stock front bumper you will be allowed up to 6 inches of weld or 4 half inch bolts to secure chrome skin to a stock bumper You can add NO metal or bolts no welding to make this bumper any stronger unless stated. You are allowed 1 per side 4” wide x 6” long 1/4’” flat stock on top side of bumper to be lightly welded to frame sheet metal and top of bumper. Bumpers may be cut down to size and be no wider than front tires. Bumpers are not allowed to have sharp ends. This bumper rule is for all stock classes.

 If you have any additional questions please call the office at (989) 860-5045 or (616) 636-8180.