2018 Official Rules

***Some things passed in previous derbies that will no longer be allowed! They will not slide by regardless of car count! If you can't build to these rules, be ready to modify your car or load it back up!***

You will be disqualified if you:
1. Hit the white driver's door, unless you are pushed into it.
2. Remove your helmet or seatbelt or leave your car, unless you are on fire. If you do so, you will be done for the entire derby!!!
3. If the heat is stopped to help you, ie. fire or rollover
4. If you are involved in a rollover, and the car that rolled the other over is stuck, both cars will be out for that heat.
5. Have ether or starting fluid of any kind in the car while in the arena during a heat.
6. If your helmet comes off during the course of competition, you are done for that heat, same as a fire or rollover.
7. If three (3) wheels are on the dirt berm, or two (2) wheels go over the stripe at the entrances to the arena.

General Rules:
1. All cars will be impounded after inspection. You will NOT be allowed to work on the car while it is impounded. Be ready to run before you tech in!
2 . No refunds will be given after the National Anthem has begun.
3 . NO ARGUING WITH THE JUDGES AT ANY TIME! The decision of the judges is FINAL, and arguing with them (driver, spouse, or pit crew) will result in an immediate disqualification.
4 . All drivers must know, understand, and obey the rules. If in doubt, ASK. Ignorance of the rules is not an excuse!
5 . No unsportsmanlike tactics will be tolerated, and will result in disqualification.
6 . Every car will go through a safety and technical inspection. Only the driver and tech crew is allowed with the car during inspection. You will get two (2) chances to pass. If you have not complied by the 2nd attempt you will not run. Must be through inspection by 3pm. Judges ruling is final! Save yourself any problems and build to the rules! If you have a question, PLEASE CALL AND ASK FIRST!
7 . Any driver or member of their party caught consuming alcohol or drugs before or during the derby will result in the team's disqualification from the derby with no refund.
8 . All cars will be subject to re-inspection at any time; also, all cars in championship will be re-inspected.
9 . Drivers must lower their flag and shut their car off when no longer in play. Keep your helmet on and your seat belt buckled, or you will be done for the remainder of the show!
10. If your helmet comes off during the course of competition, you are done for that heat.

11. If your car is on fire, the heat will be stopped, and you will be out for the remainder of that heat.
12. If there is an axle or bumper on the track, the heat may be stopped to remove it for safety purposes.
13. You must make a hit, under power, at least every two (2) minutes; whether active, stalled, or stuck, you have two (2) minutes. Sandbagging and/or teaming will not be tolerated. If the last two cars in the championship heat are stuck we will pull them apart and restart the heat.
14. No one under the age of 16 will be allowed to compete or be in the pit area, NO exceptions.
15. Heat winners will be impounded after their heats; you will be allowed to open the hood and disconnect the battery, and that's it. Cars will be released to work on at the start of the hard luck heat.
16. Championship cars have from being released from impound to 5 minutes from the end of the 80's class heat to be in line and ready for the final. Cars not in line and ready at this time (we will announce it) will be counted out. This will also apply to the pitman, you will have 5 minutes from the end of the championship to be in line to go. We will now be using the 80's cars in pitman, so this should not be a problem.
17. Only 1 driver and 2 pitmen per car allowed in. NO EXTRA PIT PASSES ARE AVAILABLE!

  • Driver's Rules:
    1. American/Foreign two-wheel drive passenger cars and station wagons only. No convertibles, trucks, vans, four wheel drives, commercial vehicles (hearses, limos) or Chrysler Imperials allowed.
    2. Safety Equipment:
    • Long sleeve shirts and pants strongly suggested, no open toed shoes allowed.
    • DOT approved helmet required.
    • Eye protection (safety glasses, goggles, or face shield) required.
    • Seat belts are required and must be worn while in the arena and during inspection.
    • Each pit must have a working fire extinguisher.
    • Driver and pit crew must be at least 16 years of age. Proof of age required.
    3. Vehicle Requirements:
    • All pre-ran cars must follow the same rules. Pre-ran car frames may have one (1) 4 inch by 6 inch plate per frame rail on on one surface rail only. Plates may not be spliced or rolled. Plates must be flat to the frame and are not to exceed 1/8 inch thickness.
    • All glass, mirrors, loose chrome and moldings, lights, fender extensions and other loose trim must be removed from the car. Nothing may be attached to the roof of your car besides roof fins.
    • All flammable materials must be removed from the interior of the car, padded dash and drivers side door panel may stay.
    • NO reinforcing of body, frame, suspension, or bumper in any way, except the drivers door.
    • NO altering or adding weight to the car in any way.
    • NO debris or filling of tires, doors, fenders, bumpers, or any other cavity of the car. This includes water, sand, mud, concrete, steel, spray foam, bedliner, etc.
    • Trailer hitches and any bracing must be completely removed from the car.
    • Wagon flip-up compartment lids may be removed; however, if left in, they must be welded, 2" with 6" space, and a 10" inspection hole cut in the center of the lid.
    ALL stock gas tanks must be removed.
    3A. Fullsize cars: you may weld the upper frame seams, from the front of the upper A-arm forward. 1/2" wide weld max, no added material, just the bead, only the top outside seam. No other frame welding is allowed. No tilting Crown Vics and Lincolns with any welding.
    3B. 65-73 Chrysler: you may plate the open area of the "Y" top and bottom, same thickness material and only wide enough to cover the gap, with only enough weld to attach the plate to the open area. Plates may not wrap around frame in any way, they may only cover the open area No filling the inside of this 'box' with pipe or any other material.

    4. All equipment must be standard.
    5. Hardware:
    • Bolts/all thread no bigger than 1"
    • Chains/cable no bigger than 3/8", no welded links on chain, chains may not exceed 36" long.
    • Washers or plates not to exceed 3" diameter or 3"x3" square.
    Maximum four (4) pieces of all thread may go to or through the frame on whole car, two in the front must be in-front of A arm and two in the rear must be behind the rear end.
    6. Body Mounts:
    • With the exception of the radiator core support, all body mounts must stay in their stock position.
    •If the rubber spacer is removed, replacement spacer must leave one (1) inch gap between car and frame and may not exceed original body mount diameter. Body bolts may be replaced with new bolts and washers, but cannot exceed the stock size bolt (3/8" max)
    7. Cooling:
    Radiator must stay in the stock position.
    • No reserve water tanks.
    Electric fans are allowed, they may not reinforce or support the radiator or core support in any way.
    • No bungee cords, may use chain/wire/metal strap/motorcycle straps to secure radiator.
    No antifreeze in the radiator, water only! This will be enforced!
    8. Engines:
    • Must match corporate lines, ie. Ford to Ford, GM to GM etc.
    • Must be mounted in the stock position with stock mounts, may have one support chain per motor mount.
    Firewall can be bent in, or you may cut an opening for distributor clearance, however, any excess holes in the firewall must be covered from inside engine compartment, with sheet metal, mud flaps, tire tubes, etc. for driver's protection!
    No carb/distributor protectors allowed.
    • Electric fuel pumps are allowed, but must be run with a separate clearly marked switch, may be left on factory key switch if it is used.
    • No open ended manifolds, pipes must exit out of engine compartment or behind the driver. Headers are allowed.
    • HERBY DERBY: 4 cylinder fwd or rwd cars, 6 cyl allowed only if front wheel drive. Maximum 107" wheelbase.
    9. Transmissions/Rear ends:
    • Transmissions may have one (1) support chain at the mount.
    • You can use an aftermarket cooler, but must use high pressure lines (NO fuel line) and they must be incased and secured if in the car.
    • For your safety, keep transmission access holes to a minimum. If it is too big you will be asked to cover part of it with sheet metal, tire tubes, mud flap, etc. (Judge's discretion) for driver's protection against fire or injury.
    • Rear ends must match manufacturer to manufacturer; no truck rear ends, passenger car axles only.
    • Posi-traction, spools, and/or welded spiders allowed.
    10. Hood:
    • Car hoods can have eight(8) securements , chains, bolts, pins or angle irons
    • Angle iron may be no larger than 2"x2"x4" long, only one bolt per iron
    • At least one (1) 8" diameter fire hole is required
    • Hoods cannot be welded shut, must be able to be opened or removed for inspection. A huge hole in the middle and the sides welded does not count!
    • Hoods cannot be chained to the bumper.
    11. Battery:
    • Batteries must be secured on the passenger side floorboard, in front of the seat area, and covered.
    • No bungee cords, metal strap or chain is recommended.
    • Two (2) batteries are allowed.
    12. Windshield:
    • At least two (2) 1" bars, pipes, irons, or straps must be mounted in the windshield opening. You may use 1 center bar and screen (expanded metal, etc., NO window screen) over the driver side of windshield instead. See diagram for suggested mounting.
    13. Driver's Door:
    • NO WHITE or BRIGHT SILVER CARS ALLOWED. Driver's door must be white NO EXCEPTIONS. Entire car - no white or bright silver allowed.
    • Driver's door MUST be painted white, no exceptions.
    • Drivers door may be completely welded shut.
    • Drivers door may be reinforced, reinforcement can go from behind the left front wheelwell to 12" behind the driver's side B-pillar (end of driver door).
    • NO outside loose metal.
    • Reinforcement is strictly for DRIVER SAFETY.
    14. Doors (except driver door):
    • May be bolted, chained, or welded shut.
    • If welded, welds cannot be longer than 2x2" with at least a 6" space between welds, outside seams only.
    15. Numbers:
    • Must be at least 12" high, and a contrasting color, on front doors.
    Roof fins are to be within reasonable size. If deemed too large you may be asked to remove it. They are not to be fastened to cage and must be located on back half of car.
    • If two cars show up with the same number, in the same class, first car to register keeps the number, and the other (s) will need to add a letter or digit to theirs.
    16. Trunk:
    • Can be bolted, chained, or welded shut. No extreme (ie. using heavy machinery or 6 hours with a sledgehammer) pre-bending to make wedges or sedagons. No creasing in new body lines or seams.
    • Bolts can be no larger than 1", at least 6" apart; washers or plates no larger than 3".
    • Chains may not go from trunk lid to or around bumper.
    • Welds cannot exceed 2" long, must be at least 6" between welds.
    17. Gas Tanks:
    • Original gas tank must be removed.
    • A DOT approved marine style tank, fuel cell or jerry can shall be placed behind the drivers seat, rigidly secured by chain or metal strap, no bungee cords or rope. This is mandatory in all classes for your safety.
    • Please make sure you have no fuel leaks for everyone's safety
    18. Bumpers:
    • Bumper shocks must be secured from bumper to car.
    • Bumpers may be secured by chains, welds, or bolts.
    • Chains may not go to hood or trunk lid.
    • Front bumper can be welded solid to frame
    • No more than 8" of weld total per side to attach shocks to frame, you may weld the bumper to shock, you may compress and weld shocks.
    18a. You may attach the front bumper with two (2) 1" wide x 1/8" thick max straps, welded 2" total to frame, ahead of the core support. The strap may not go to or behind the core support. It can go around the bumper and be welded to the bottom of the frame, ahead of the core, 2" of the strap total welded to frame. You may also weld two (2) straps of the same size from the deck lid to the face of the rear bumper, again 1" wide x 1/8" thick max and only 2" of the strap welded to the deck lid and face of bumper. Straps on the rear may not go around the bumper or over the top of the deck lid, only enough to attach to the car.
    • Bumpers may be no higher than 24" from bottom of bumper to the ground.
    • Bumpers must have at least one (1) hole to verify for reinforcement.
    • Bumpers may NOT have jagged edges, must be left stock or hammer ends in, you may fold ends in but you may not weld them to the car.
    19. Rear Window Straps - All Cars (Optional)
    20. Electric Fuel pumps run by toggle switch must be painted and must have " E " 6 inches high by both door numbers.
    20. Suspension:
    • No bracing of any kind to jack up car, may only be raised with springs/spacers/tires. One spring per wheel.
    • Leaf spring cars may not have the rear end chained to the frame/body.
    • Coil springs may be welded or chained to rear end only.
    21. Tires:
    • DOT approved light truck or passenger car tires only, no implement/mining tires.
    • NO studded tires on drive wheels.
    • NO filled or doubled tires, tubes are allowed.
    • Flappers are allowed.
    21. Windshield bar requirements: see attached diagram. Windshield bars may not attach to cage.
    22. Halo Bar may go over the roof, but not to exceed 6" from the top of the roof to the top of the bar


23. Driver's compartment: You are permitted to run a perimeter "box" cage, consisting of a bar run horizontally (side to side) directly behind the driver's seat, a bar run horizontally in the dashboard area, and one door bar per side connecting them, along the inside of the front doors.
All bars must stay inside the passenger compartment.
Bars may not exceed 3" diameter, bolt-in attachment plates if used may not exceed 5"x5"x1/4".
You may anchor only the bar behind the seat to the frame, one vertical support per side. No diagonal kickers. No other bars may go to the frame, horizontal bars must be at least 12" above the floor.
You may also run a halo bar vertically from the behind the seat bar, but it must stay inside the car.
The previous year's bar arrangement (H-frame, etc.) is still allowed, to it you may connect the passenger upright to the dash bar with one horizontal bar.