Demo Derby


Entry Fee $50 for driver and car; $20 pit person

Derby will start promptly at 8 pm. Cars need to be inspected by 7:15 pm. If you show up after 7:15 pm, there will be an additional $50 fee added to registration.


NO refunds on entries or pit passes.  Vehicles that don't pass inspection a 2nd time will be loaded.

If it's not in the rules, it does not mean you can do it. 
Any questions, CALL FIRST don’t assume anything.

Adam 715-790-0044 or Greg 715-338-5864


Chain/Limited weld full-size 
Stock Midsize/compact 
Weld Midsize/compact 

Trophies for 1ST - 3RD place and mad dog trophies for each class. Payouts are based upon 10 cars for the desired class.

Chain/Limited Weld Cars 

Old Iron and New Iron Allowed 

General Rules 

1. All #9 wire used can only be (3) strands, and chain can be a maximum size of 7/16". 

2. If not specified in rules don't assume you can do it, call first. 

3. Car must remain stock unless specified in rules. 


1.  Any engine/transmission combination may be used. 

2. Equipment allowed: 

    i) Braced rear-ends, pinion brakes, aftermarket axles, slider driveshafts, engine cradles, weld in centers for rims, transmission coolers, aftermarket gas pedals, brake pedals (may not strengthen car), shifters, distributor clamps, radiator barrels, carb protectors. 

3. Equipment not Allowed

    i) Distributor protectors, mid-plates, transmission braces, steel bellhousings, and steel/aluminum aftermarket tail shafts. 

4. You may use one 2x2x1/4" piece of square tubing for a crossmember. Tubing must go straight across from frame rail to frame rail, no kickers off crossmember. Crossmember may be welded or bolted into place. May mount crossmember on top of (1) 3x3x6" piece of angle iron on both ends. Nothing else can be attached to crossmember besides transmission mount. 

5. May swap rear ends from car to car, no leafing of a non-leafed car. May lengthen/shorten control arms to gain correct pinion angle. You may cut an overlap control arms a max of 1". Watts conversion are fine long as bolted in on top, lowers may be welded in, only 4 inches of total weld per side. You cannot reinforce the car in any way. 

6. Engines may be welded in the engine saddle with mounts and an extra (2)- 4x4x1/4” plates or 4 inks of a 3/8” chain. 

7. May use any air-filled tire. No solid tires, doubled tires are ok. May use washers, large lug nuts and wheel studs. You must remove wheel weights. 

8. You may cut firewall for distributor to pass through. 

9. Radiator barrel may be used. Must be secured using no more than (4) 3/8" diameter bolts connected to top and bottom of core support only. It cannot be connected to the frame or gusseted to core support threaded rod in any way. You must have at least a 1" gap between barrel and frame on both sides. Barrel must have pressure relief. You can use a radiator protector also. 

10. If running a carb protector that connects to your headers your hood must be cut out enough to not interfere with the bending of the car. Hood cannot be bolted to carb protector. 

11. If running a 2003 and newer ford the engine must be put in using brackets that cannot be welded to the frame in any way. Use a maximum 6"x6"x12"x1/4" angle iron and bolt them to the top two A A arm bolts. You can weld steel off those to create a surface for your motor mounts to be welded to. No solid lower motor mounts. 

Gas Tank/Battery Box

1. Stock gas tanks must be removed. Fuel tank must be strapped securely in backseat of car, no bungee straps. Must be properly covered with non-flammable material and cannot be connected to frame in any way. 

2. Battery box must be placed on the passenger’s side floorboard and properly secured to sheet metal only. Must be covered with non-flammable material. 2 batteries allowed. 


1. You may run an aftermarket steering column. You may add U-joints to stock columns. 

2. No aftermarket spindles, A-arms, idler arms, center links, pitman arms, or homemade shocks. You may swap steering boxes if they bolt on. All steering components from the steering box to the spindle must be stock and not reinforced in any way except the tie-rods. You can strengthen or run aftermarket tie rods. You can also run aftermarket ball joints. 

3. Sway bar must be bolted. 

4. Suspension may be welded or bolted. If welding suspension you can use a maximum of 2x4x1/4” strap, (2) per a-arm (tops or bottom only not both)! 

5. Control arms may not be strengthened in any way. 

6. Rear coil springs may be doubled. 

7. You may run (1) chain per side around rear end and up to package tray. 

8. You can have (3) leaf spring clamps in front of the axle and (3) behind the axle. Stock leaf’s no truck springs. (6 total clamps per side). 

9. Stock shocks only, no homemade shocks or filling of shocks is allowed. 

10.  You may swap A arms from car to car if they bolt on using factory mounts. No modifying of factory a-arm frame mounts allowed. 

11. 2003 and newer fords must run factory steering and suspension components unless specified in the rules. 


1. May use any OEM factory bumper from any year car. Bumpers may be seam welded and loaded. No adding points or changing geometry of factory bumpers. You may also have OEM replicas, no extreme pointy’s. Call if you need clarification. 

2. May use 5x5x1/4" maximum square tubing for a bumper. You may cap the ends of the bumper. No longer than factory bumper and it must be completely straight. 

3. May run any bumper shocks or 3/8” thick 4” tall plates. You can’t take shock and bracket off and use both in different places. Shocks and brackets must be factory. Brackets can be a maximum of 12” back from bumper. 

    i) 2003 and newer ford products only get 6” back from the front bumper. 

4. Bumpers/Shocks may be welded or bolted on. No adding of metal to do so. 

5. Hard nosing is allowed. You may only shorten to the core mount. 

6. You may have chain or wire in two places but not both to help hold on front and back bumpers. No welding anything to the frame. 

7. No plating, loading, or filling of frames is allowed. 

8. Frame seam welding is allowed A-Arms forward, no other frame seam welding or any welding to the frame unless specified in the rules! 

9. Pre-ran cars can plate the bends with a total of (6) 6x6x1/4” plates. Fresh cars get (2) 6x6x1/4” plates anywhere from the start. If you use these to plates, this means you only have 4 left for the duration of that car at these shows. No cutting up this year! 

10. Peening of rear humps is allowed, no other frame shaping allowed. 12” of peening on center maximum. 

11. Tilting or cold bending of cars is allowed. 

12. Humps may be wired or chained together in 1 spot. 

13. You may run 4 chains or wire (not both) going around the frame per side, these cannot be connected to cage. This can only be done between the firewall and package tray inside of car. 

14. If running stock bolts and mounts, you may add up to (4) vertical ³⁄” body mounts 8 inches long. If you change body mounts, you must have 1” puck and can use ³⁄” maximum rod. No extra mounts other than factory location. Both options you can change the core support mounts to ³⁄”. 

15. You may notch and pre-bend rear frame rails. 

16. Cars may shorten front frame rails to the core support. Core support body mount tab on frame must be left intact and in stock location. 

17. No other welding on the frame unless specified in rules!!!! 

Cage/Driver Safety 

1. Cage material can be a maximum of 6" diameter material, cage cannot connect to frame unless specified. 

2. A 4-point cage is allowed. This cannot be done in a way that strengthens the frame in any way. Door bars may not run further forward than the firewall and it cannot go further back than the middle of back doors. 

3. You may have (4) down bars going from the cage to the floor, it cannot go through the floor. Down bars to be welded to sheet metal only, no plates between down bar and sheet metal. 

4. Gas Tank protectors are allowed, cannot be connected to package tray or body. Gas tank protector must come off the backseat bar, it cannot be connected to the halo. It must be narrower than frame rails at the package tray (humps). No beating of sheet metal to get closer to the package tray. 

5. Halo bars are allowed, if you are running the halo bar to the floor that counts as (2) down bars, these cannot be connected to the frame. Halo may be bolted to roof in two spots. 

6. You may strap your dash bar with 2”x1/4" metal from dash bar to cowl (firewall) in (4) places. No more than 2" of weld on cowl. 

7. You may run driver’s window netting in driver’s window only. 

8. Front window bar must go from the cowl to roof only, they cannot be connected to cage. Maximum of 4" of weld on cowl, these cannot be used to strengthen car. 

9. You may also run one bar in rear window track 3” wide X ¹⁄” thick (may be flat, round, or square),Bwelded or bolted within 6" max of rear window track and no fasten plate larger than 4" diameter. Ran from roof to trunk lid only. No raising of the roof, roof must be in stock location. 


1. Doors may be chained/wired or welded shut. (2) chains/wire strands or patches per door seam. Patches can be a maximum of 4x4x1/4". Drivers door may be welded solid. 

2. No creasing, welding, or bolting of body seams unless specified. 

3. Speaker deck/trunk may be dished a maximum of 4" from factory location. Use a straight piece of material to check your measurement. Rear quarter panels may also be dished and creased. 

4. Trunks may be tucked. 

5. Trunks may be held down in (6) places with bolts, chains, or patches. Patches may not be larger than 4x4x1/4". Bolts must go from sheet metal to sheet metal only. (2) bolts may run from trunk floor to the frame, the other (4) must be connected to the trunk lid lip. Maximum of 3/4" sized bolts may be used. Washers for bolts can be a maximum size of 4x4x1/4". Only (2) can be connected to frame. 

6. Hood may be held down in (6) locations maximum. Can be chain/wired or bolted. Maximum of 3/4" bolts. Hood hinges DO NOT count against you for these locations. A maximum of 3x3x1/4" angle iron may be welded to fenders or top of hood to bolt your hood down. 

7. You may run 3/4" threaded rod through core support mounts and through hood. This counts as (2) of your (6) hood hold downs. No other hood hold downs can be connected to frame. Maximum height between core support and frame is 4". No welding of rod or spacer to core support or frame. 

8. May use up to (4) 3/8" diameter bolts to bolt front clip together in areas of your choosing. Sheet metal to sheet metal only, no added steel or relocating of factory brackets to strengthen. 

9. Rear wheel wells may be bolted together in (4) spots with bolts no bigger than 3/8" diameter. 

10. No shortening of front clip or relocating of core support. 

11. Hood can have a maximum of (8) 3/8" bolts in it to hold the hood seam together. 


General Rules 

1. 4 point floating cage 

2. Halo to cage only no points to floor 

3. Tank protector no wider than 24”. Must have space between rear speaker hump – 1“minimum 

4. Any tire ok 

5. Suspension can be clamped or bolted for height, absolutely no welding! 


1. Any automotive bumper (no loaded bumpers – no Chrysler pointy’s you may use 4x4x1/4" tubing if you can't afford a bumper..but it is to not be any bigger than that or you will cut it to size or cut it off, or there is a weld class!! NO EXCEPTIONS!! 

2. Can cut off crush zones 

3. 3” of weld onto frame to hold bumper on 

4. May chain or 9 wire bumper to core support 

5. Do not add any steel into frame..THIS WILL BE ENFORCED..SO DO NOT PUT ANYTHING IN THE FRAME!!! 

Mounts & Frames 

1. No welding anywhere other than locations specified 

2. Do not change any body mounts 

3. No added steel anywhere on or in frame 

4. You may change out front motor mounts bolted only no welding. 


1. May be tied down in 6 spots 

2. 2 may be no bigger than ¾” threaded rod welded to top of frame (sheet metal only) 

3. 4 others may be chained or 9 wire 

4. Do not run threaded rod through frame 


1. Drivers door may be welded solid 

2. all other doors may have 9 wire or chain at 3 locations 


1. 4 spots 9 wire or chain 


1.You may run headers and carbs, however absolutely no protectors of any kind allowed..if you need throttle or shifter brackets be creative and utilize your bolts of the motor/trans.


If it is not stated in the rules, don’t do It! Please call with any questions. 

4cyl or 6cyl only, no v8’S

Rear wheel drive ok, any year ok


1. All seat belts must work 

2. All air bags must be unhooked before show. 


1. You may body shape but do not fold or double metal, you can repair sheet metal rust but must be repaired with same thickness of metal, do not cut out rust, you must overlap! Leave the rust there. 

2. You can plate outside or inside of frame rail firewall forward. Not both sides. These plates may be 3/8” thick, same width of rail. Can seam weld firewall forward also. 

3. You can trim wheel well for clearance and add 5- 3/8 bolts in fender. 


1. You are allowed to weld doors solid 

2. Drivers door may be welded solid. 


1. You can have 6 hold downs on hood up to 1-inch rod. 

2. Must have a 12-inch hole in hood for fires. You can have 12 3/8” bolts to hold skin together around each hole u cut. 


1. Trunks may be welded solid. 

2. You may tuck your trunk with a single 90° bend, must be 50% stock. 

3. No wedging of trunk, quarter panels must be upright! No ramping effect. 


1. You must have chain or straps in your windshield. Can go from roof to bottom of window sheet metal. May be bolted or welded. 

2. Rear window bars must be attached to roof and split trunk seam with a 6 x6 plate. Do not run window bar to floor. Do not attach window bar to rollover loop! You may have 4 loops of #9 wire in each window opening (do not attach it to your cage) 

Motor and trans 

1. Trans cooler ok 

2. You can use any motor you like, must be 4 or 6cyl only no v8’s. 

3. You can have headers and a carb set up. 

4. You can have engine cradle and trans protector. 

5. You can have carb and header protection, do not attach protectors to cage. 

6. Do not weld any kickers off of cradle. 

7. You can beat your fire wall for clearance. 

8. Motors mounts may be mounted solid with a welded strap or square tube. 


1. You may reinforce tie rods, aftermarket ok. 

2. You can reinforce struts and weld your suspension solid. 

3. After-market pedals, steering column, shifter ok! 


1. DO NOT weld on your cradle or frame unless specified!! 

2. You can replace body mounts. 

3. You can have extra sub mounts to unibody frame 


1. You can use any tire and rim you want! 


1. You may have a 4- point cage with a rollover loop. 

2. Rollover bar must be straight up and down, not angled. You can weld it to the roof with 12 inches of weld in the center of the roof only. 

3. You can have 2 down bars on drivers’ side only, may be welded to the floor. Down bars must be in the front door area only, don’t go past the door, front or back. 

4. No kickers off of cage at all. CAGE material must be no larger than 6x6. 

5. You may have 2 straps 3-inch-wide, 3/8” thick from front bar to top side of firewall. 


1. You must remove factory tank and replace it with a boat tank or something similar. 

2. Tank must be in the center of the back-seat area or behind driver seat. 

3. Must be secured properly (No seat belts, plumbers’ tape, or chain) 

4. If you are running a gas tank protector, the tank must be in it!!! 

5. Protector can only be 2 inches wider than the tank and must be secured well. You can have your tank protector tight to the rear package area. 


7. Do not weld or attached it to any sheet metal, must be floating off of rear seat bar. 8. You can have bars off the back protector that go straight up to protect tank. 


1. Must be moved to the inside of car and secured on the floor or in the cage. 


1. You may use any automotive bumper on the front only. 

2. Rear bumpers must be stock or removed. 

3. Bumpers may be seam welded and have any holes welded shut. Loaded ok. Or u may use up to 4x6 3/8 thick square tube. 

4. No excessive homemade bumpers. 

5. If using stock shocks, you may push them in and weld. You can weld shock to bumper and weld shock to car. 

6. You can also remove shocks and replace them with tubing no larger than frame opening. You get 8 inches if tube, we will measure 8 inches from back of bumper and drill holes. You can run your 2 front rods through the tube and front body mounts. 

7. Weld bumpers on good, we don’t want them to fall off! 

8. You can have 2 - ¼ inch thick 3-inch-wide straps from top of core support to top of bumper or you may use #9 in 2 spots. 



NO refunds on entries or pit passes.  Vehicles that don't pass inspection a 2nd time will be loaded.

If it's not in the rules, it does not mean you can do it.
Any questions, CALL FIRST don’t assume anything.

Adam 715-790-0044 or Greg 715-338-5864