Steeplope
Here are all of the rules word for word and I am in the St. Louis Missouri area.
Cars: Scout must use the official BSA pinewood derby kit. NO precut hobby shop cars will be allowed. Cars to be built new for this years derby.
Inspection: Cars must pass inspection on the day of the race (night before) to compete. Officials may disquality cars at any time if found to be illegal.
Width: Overall width must not exceed 2.75 inches. Width between the wheels must remain at 1.75 inches.
Length: Overall length cannot exceed 7 inches of the track.
Weight: Car may not exceed 5 ounces. You may hollow out the body to insert weights or build the body up by adding wood, metal, etc. CARS will be wighed on the offical scales on the night before the race.
Wheels: Only the wheels from the BSA kit will be allowed. You may lightly sand the wheels surface to remove the burr but the wheel must remain flat. Wheels may NOT be altered in any other way.
Axles: The nails provided in the kit must be used for the axles. They may NOT be turned down by machine. They may be smoothed lightly with sandpaper and the burr on the nail head may be filed down. No bearings, bushings, tubes or springs will be allowed. NO one-piece axles will be allowed.
Axle Slots: Slots may not be moved or altered in any way. Axles should be put into the top of the slot which will give the car 3/8-inch ground clearance. Officials must be able to see into the slot to insure that the proper axles have been used.
Lubrication: Only graphite is allowed. NO type of oil lubricants. Once the car has passed inspection it may NOT be retrieved for lubrication. PLEASE NO NOT BRING GRAPHITE TO THE RACE.
Repairs: All repairs must be made under an official's supervision after the car has passed inspection.
DECISIONS: By race officials on race day are final and cannot be appealed!