2/4 Reliant Stadium Houston, TX
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2012 RULES:  Stock, ProStock, Mowers, Minis, & Trucks

Common Asked Rules Questions with Answers. (click here)

Pro Stock Class:

GENERAL RULES: Demolition derbies are dangerous, and Rouse Promotions assumes no liability in the result of injury from competing in this event.  Rules are constructed for driver's safety.  Drivers participate at there own risk.
1. The cars are to be constructed according to the rules. If certain items are not specified, it doesn't mean it is legal. The judge's decision will be final, so call before you do something that you don't understand.
2. All cars must be on grounds one-hour before event to be inspected. Any cars arriving late will be charged an additional $20 entry fee to compete.  Any car arriving after the tech line closed will not be allowd to run. All cars must be removed immediately after the show or they will become the property of the local salvage yard.
3. The driver must be at least 18 years old to drive at all fairs, unless the fair board allows younger drivers. You must be able to prove age upon request to drive, or have a notarized document signed by a parent or guardian stating that parents assume all risks. No one under the age of 14 will be able to compete at any fair unless approved by fair board. Call first.
4. Approved racing helmets must be worn at all times. Goggles or a face shield, fire suit or long sleeve shirt must be worn. Long pants and closed toe shoes are mandatory. No shorts allowed. If a driver removes his/her helmet while the event is taking place they will forfeit all winnings and be disqualified for the night.
5. Any unsportsman like conduct by the driver or the crew will cause your car to be disqualified and forfeit of any winnings. The judge's decision will be final.
6. No liquor or intoxicating beverages allowed in pit area. Possession of alcohol or drugs in pits will result in disqualification of your car.
7. Drivers meeting will be held before the event is to start to explain rules and flags. Any car protest must be made at this time. All drivers must attend, attendance will be taken. If a driver misses for any reason, there car will be disqualified.  All drivers meetings will be held 30 min. before start time.
8. A driver that is disqualified in the heat race for sandbagging or a intentional door hit, will not be allowed to compete anymore that evening.
9.  Heat races will be times.  Once the time limit has been passed, the hardest hitters out of the cars still running will move on to the feature.
10. The purpose of the derby is to provide entertainment for the spectators. Anyone not complying with the rules will be barred from the event.
11. It is mandatory for everyone entering into the pits to purchase a pit pass.
12. If a car is found illegal, no entries will be refunded. Cars should be brought legal. Not having a set of rules is not our fault. The fair board or promoter reserves the right to approve or reject any entries. Cars will be subject to inspection after event.
13. The driver is the only person allowed to drive the car at the venue. The driver is the only person allowed around the car while their car is being inspected. Cars will be disqualified if rule is not followed.
14. No welding on a car at the show.
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PREPARATION OF CAR:
No trucks, vans, ambulances, jeeps, carry-alls, limousines, Hearse, 4-wheel drives, checker cabs, propane cars, 73 or older Chrysler imperials. No Chrysler bodies on imperial frames. 2003 and newer Fords must remain factory (drive line, rear end, and bumpers are the only things that can be changed).  This includes the cradle. There is to be no MIX-MATCHING of frames.  Ford to Ford. GM-to-GM, .  Cars are to be constructed according to rules. If you are caught intentionally pinning, plating, capping, PITCHING, or loading frame or body, YOU WILL NOT RUN!  Judges decision is FINAL.
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FRAMES:
1.There is to be NO painting of frames. If you are painting a frame you are cheating and you won’t run.
2. ALL factory frame holes must remain OPEN
3. Front frame may be shortened to the factory core support mount.
4. All cars must use the factory core support mounts. There is to be no welding of angle iron or pipe to the side of the frame to mount your core support.  This mount is considered a body mount.  It can ONLY be strengthened with a 3x3 washer.  Fords must run factory mounts.
5. You may run a 22in hump plate.  Plate may only be 1/4in thick and must be contour to the frame.  Cresent shape only.
6. No welding, plating, PITCHING, or pinning of frames.
7. You may repair a bent frame.  You may only use 4 plates no larger than 4x6.  Plates may be welded on all 4 sides.  No more than 2 patches on any corner of the car.  No part of the patch OR the weld may touch.  4 Patches MUST be painted white.
8.  You may reclip a pre run bent car.  When doing this, you may only use the butt weld method.  The replacement clip must be welded in the factory manner.  No pitching.  Cars must continue to use factory body mount bolts.  Clip must be out of the same era of car.  (If you reclip a 74 impala, you may not use a 74 Cadillac clip.  If you run a 70’s Ford you may not run a 01 ford front clip.)
9. Rust damage may be repaired with the same size metal.  No more than a 1-inch over lap.  No patch may be larger than 4x6in.  You may only fix 2 spots of rust on the frame.
10.  You may run a home made cross member.  Cross member must run from side to side with nothing extending towards the crush box or cowl area.  Cross member may not be any bigger than 3x3in.  Factory cross member bracket may be replaced with a 3in piece of angle iron.  This must be welded at least 6in behind the crush box.
11. No frame creasing. 
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Drive Line:
1.Engines and transmissions may be interchanged.                            2. Motor mounts may be welded, but no extra bracing to frame.
3. NO SKID PLATES.  Oil pans and transmission pans may be strengthened. 
4.  Engine Mounting plates are legal, but they cannot connect to anything but the engine.  They cannot reinforce the car in any way. 
5.  You may have 2 spots of wire or chain coming off front side of motor going to the engine cradle only
6. Radiators must remain in stock location. You cannot run extra radiators or water tanks.
7. Transmission and oil coolers are allowed.               8.Transmission/oil coolers and battery boxes cannot strengthen frame in anyway
9.  Batteries must be moved. You can use 2 batteries, but they must be securely mounted in passenger side floorboard area. Batteries must be covered.
10. All fuel cells and fuel lines must be covered in area where they may become pinched or cut.
11. Any factory 5-lug axle rear end allowed. No 8-lug conversions. No changing of coil to leaf springs.
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Tires: No studded tires.  Valve stem protectors are OK.  We do not want flats.
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CAGES:   Standard 4 point cage MAX.
1. A cage of no bigger than 4 in. pipe or 4x4 in. box tubing can be used.  (Standard 4 Point Cage Only)   4in MAX!
2. The front 2 down legs can be welded to the sheet metal only.   These 2 legs must be 6in behind the body mount and may not connect to a body mount.
3. Front bar of cage running under dash must be 6 in. behind front firewall.  It cannot have kicker going to the firewall. There is to be nothing welded from the dash bar going to the firewall or butted to the firewall.  Only 1 dash bar.
4.The cage may have an overhead bar or roll over bar. The roll bar must be straight up and down, no pitch towards rear of car. The down legs may be welded to the topside of the frame only.  This bar must be within 6 inches of the doorpost.  2 door cars, 6in from the back of the drivers seat. (This will be measure with steel block).
5.Sidebars no longer than 4in. past dash or rear bar.
6. Drivers may add 1 down bar next to their seat or legs.  This bar is for safety only.  The bar can only connect to the driver’s door bar.  It must be vertical and must be at least 12 in behind the front cage leg.
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Protectors:  In 2012 we will be using a steel 6in block to measure in between the dash bar and the firewall.  Any part of the cage that prevents the block from passing thru will have to be cut. (Must be 6in at the top and bottom of bar or entire bar will be removed).  DP= Distributor Protector
Any car running a DP in 2012 must have a 2x2in hole cut directly above or behind the protector so that the firewall can be inspected.
1. DP’s are legal in the follow manner.   They can be no wider than the intake. They must be straight up and down only.  DP’s may bolt to the engine ONLY!
2. DP’s may touch the firewall.  (NO WELDING, BOLTING, OR ATTATCHING PROTECTORS TO THE FIRE WALL). No beating the firewall back.   Dash bar must be 6in behind firewall.  Do not force DP into the firewall.
3. Protector cannot strengthen frame in anyway.
4. Cars running a DP may NOT have a window bar. 9 wire only
6. No part of your gas tank protector or gas tank mounting equipment may be within 6 inches of the rear sheet metal.  If any part of this is within 6 inches of the sheet metal the entire protector will be removed. (Ex. Top pf bar is 6 inches bottom is 5 inches, entire bar needs to be removed.)
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BODY:  cars must be stripped of all flammable materials.  ALL SUN ROOFS MUST BE COVERED WITH METAL.
1.Outer Door seams may be welded solid, including the tops of doors. 3in strapping max.
2. Interior body mounts must remain stock.  Stock bolt, rubbers, and sleeves must be used. (all mounts inside the cabin of the car must be factory mounts).  If a factory mount has rusted out, you may replace with another factory mount or use 9 wire.
3. The 4 body mounts in the trunk area of the car maybe replaced with bolts up to 1 inch.  No bigger than a 4x4 washer may be used.
4. ROOF SIGNS ARE MANDITORY!  They may be welded or bolted.  Signs may not be any more than 24 in. long.
5. A 12 in. hole must be cut in hood above carburetor. Half hoods on car are OK. If no hood, no fan on motor. If fan blades become exposed, car is disqualified.
6. Hood is allowed 6 fasteners. Neither the hood nor any wires can be bent down in front of radiator.  Hood Washers may be no more than 6x6.  Hood Hinges are not counted as a fastener.
7. Core Support may be bolted down with All thread 1 in. maximum may be ran thru core support next to radiator only, one on each side. They can go thru the hood.
8. No bolting or welding of body panels together, with the exception of fender wells.  Fender wells may be bolted together using 5 bolts 5/16ths or smaller. 
9. Rusty body panels may be patched by using no more than 1in overlap. No rust patch may be bigger than 6x6.  You may not fix anymore than 4 spots.  You must patch rust with the same thickness of metal, if thicker metal is used it will be cut off.  
10. No internal bracing of body.
11. No interior seam welding on any body panels.
12. There can be no bars in the rear window
14. Car must have a safety strap in place of windshield. (Cars running DP’s refer back to Protector section)
15.Firewalls must be in original place with no extra metal or weld added.  All holes must be covered to prevent hot fluids from entering the driver’s compartment.
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TRUNKS:
1.A 12 in. hole must appear in trunk lid, not in the trunk floor. Tail light areas must remain open.
2. No wedged cars. (Unless it happens naturally during the derby)   Trunks may be tucked.
3. Trunk lids may be fastened shut in these manners only: 6 spots of 9 wire, 6 bolts, or any combination of the 2.  Trunk lids must stay in stock position (on top of rail rails).
4. Trunks may be "V'd" in the center but the back quarters must remain in the stock position. If you rip the rear post when V’ing the trunk, YOU CANNOT PATCH IT!    If a car has a patch on the rear post, they will cut the entire patch and the entire weld off the post.
5. Speaker trays may be beat down or removed, but they may not be altered with weld.
6. You may weld a washer to the body where your wire or bolt is going to go through the body.  Washer may be no larger than 2in x 2in.
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BUMPERS:
1.Any year car bumper and bumper brackets allowed on any car.
2. The bumper must be fastened with factory brackets no homemade brackets. Bumper brackets may be welded to the frame.
3. You cannot use rear brackets on the front of the car.
4. Bumpers can be welded solid to the frame.  You may weld straps from the bumper to the frame on all 4 sides.  Straps may only be welded to the first 2 in. of the frame.
5. Bumpers cannot be welded to the body.
6. Bumpers must have a factory skin.
7. You may load the inside of the bumper if you like. You can weld the bumper skin.
8. Maximum bumper height is 24 in. to bottom of bumper, minimum is 16 in.  In 2011 this will be checked before the heats.
9.You may hard nose a bumper.  You may stub the frame back to core support mount.  Core support mounts may not be relocated.  You may weld shock to the frame back to factory bolting spot.  No welding past that point.  Shocks may only be bolted in factory manner.  No relocating bolts.
10. Bumper shocks may be replaced with square tube.  Tube may be no longer than 8in.  Tubs may not go into frame any further than factory bolt hole.
11.  Bumper shocks may not exit the side of the frame.  The shock must be mounted inside the frame or in factory mounting bracket.
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SUSPENSION:
1. All front suspensions must remain stock and must move.  No moving of any suspension component on any car.  No welding on front suspension.
2. No blocks or spacer may be butted into frame from lower a-arm.
3. No all thread for shocks.
4. Coil springs may be tack welded or wired to brackets.
5. Rear end protectors cannot come within 6 inches of frame.
6. On leaf spring cars, no more than 7 per side and no wider than 2-½ inches. No Flat springs. Factory Stagger. No leafs on top of main leaf. No leafs thicker than 1/4in.
7. Only 3 leaf clamps per side. These clamps can be no wider than 1 inch and leafs cannot be welded together.
8.You may modify or weld tie rod ends and control arms.
9. Sway bar may be modified, but cannot strengthen the frame.  They must be bolted in factory area with factory mounting brackets.  No welding of brackets to the frame.
10. Rear suspension must move.
11. Rear Control arms may be strengthened, but may not reinforce the frame in any way.
12.  Watts Link Fords may run the aftermarket bolt on upper control arm mounts.  These cars must use factory lower control arm mounts.
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2012 Driver Conduct Rules:
1. Drivers must have car thru tech before drivers meeting.
2. Drivers must be present at the drivers meeting.
3. Drivers must obey all Rouse Promotions rules and Fair Board or Racetrack safety rules.
4. No alcohol may be consumed at any event.
5. All drivers must wear a minimum of DOT approved helmet, safety glasses, long pants, and long sleeve shirts.  All of this must be worn at all times on the track.
6. Drivers are to remain in their cars until the event is stopped.
7. Drivers may start the event facing any direction. Depending on track size cars may be told they cannot make a full track shot at the drop of the green flag, this is for safety reasons.
8. Drivers that are still in an event may not exit their car under red flag.  If your feet touch the dirt, you are out.  (Unless there is a safety issue)
9. Drivers must stop under red flag conditions.  Any driver making an intentional hit after the red flag will be disqualified.
10. Any driver making a full track shot to the driver’s side of the car, no part of your bumper may touch the driver’s door during the hit.
11. No driver’s door hits.
12. Intentional rollovers will not be tolerated.  If you hit a car and it rolls over, that is legal.  If you get a car up in the air and push him across the track to roll him over, you will be disqualified for the event.  If you get a car in the air, stop the drive the opposite direction to get the car off.  If call rolls over during this, you will not be disqualified.
13. Drivers must make an aggressive hit every 30 seconds.  Cars that have stalled will be given 1 min. to get their car refired and make contact.
14. To quit an event you must break your stick.  If you wave a guy off from hitting you, or you reach up like your breaking your stick, YOU ARE OUT. Break it off! (If you don’t WE WILL!)
15. Any driver making an intentional hit on a car with a broke stick will be disqualified.
16. No team driving.  Team driving is holding and hitting.  If you are setting against a car and pull away at the very last second, that is also considered team driving.
17. The car to make the last hit is the winner.  NO PIN TO WIN!  If 2 cars get hung on the last hit, we will separate the cars 1 time.
18. No fighting anywhere on the property where the event is held at.  You will go to jail and be bared for the season.
19. No profanity or obscene gestures.  (Kids are everywhere be an adult!)
20. You are in charge of your crewmembers, even if you are on the track.  If they break any safety or procedure rules, you will be disqualified.  This includes throwing of objects towards the track.
21. If you are disqualified from an event, you forfeit all winnings for the night.
22. Judges decision is final.

 

Stock Rules & Youth Full Size Rules

1.   Any passenger car or station wagon, which has a wheel base of 100" or longer, may be entered with the following exceptions. No hearses, limousines, four-wheel drive vehicles, Chrysler Imperials, or any car using an Imperial sub-frame.
2.   All glass, plastic, chrome, lights, carpet, interior, and other fragile or flammable items must be removed before arriving at the track. All vehicle interiors and trunks must be swept clean. All rear seats and decking must be completely removed on station wagons. All trailer hitches and bracing must be removed.
3.   Cars must have working seat belts safely secured to the car body or frame. Stock is OK. Seatbelts must be worn at all times.  
4.   All cars must have working brakes.
5.   Driver's door must be painted white. Both front doors must have a number in contrasting color to that body panel approximately 24" in size. Same number must be painted on the roof in contrasting colors. Number shall be the drivers' choice. No profane or inappropriate words, numbers, drawings, etc. will be allowed. No signs, flags, or any other decoration may be attached to the exterior of the car.
6.   Battery must be moved to the front passenger floorboard. It must be properly secured, then covered with a non-metallic material (floor mat, etc). Battery box is mandatory. Only one battery is allowed and it must be an automobile type battery.
7.   Original gas tanks must be removed. Fuel cells must be placed behind the drivers' seat or in center of back seat area. You may use a boat tank or other well-made fuel cell, which holds no more then six gallons of gas. It must be properly secured and covered with a metal flash guard positioned to protect the driver. NO GAS TANK PROTECTORS OR REINFORCED TANKS ARE ALLOWED. There must be at least 6" of clearance between the gas tank and the rear firewall. Fuel line must be relocated from stock position, and must be run entirely within the driver's compartment. The fuel line must be secured properly, and have leak proof fittings. 
 
8.   You may run an electric fuel pump, but it must have an On/Off switch clearly labeled. This switch must be located by your battery box and must be easily reachable from outside the car.
9.   Radiators may be removed, but not relocated. No reserve tanks. No alteration may be made to the cooling system (i.e. no auxiliary water pump or radiator).
10.   Transmission coolers are legal. They must be securely mounted in a protected position, with secure fittings. No part of the cooler or lines may be higher then 30" above the floorboard.
11.   Tires must be DOT approved with a visible DOT stamp. Tire size shall be Min. 14", and Max. 16". No paddle or tractor treads. No solid or filled tires. Doubled tires are O.K. Valve stem protectors are O.K. but must be approved by the officials. (Kurb Kicker Maximum)
 
12.   At least one, and no more then two vertical safety bars must be installed in the windshield opening. Chain or #9 wire is acceptable. These must be securely fastened to the firewall and roofline. You may run a strong wire mesh screen over any part of the windshield opening, so long as a six-inch gap is left between the edge of the screen and the top ½ of the driver's doorpost to allow placement of the heat stick.
 
13.   Headers can be run thru hood, but must be pointed up, and no taller than 24"
14.   You may cut wheel wells for tire clearance only. You are allowed 5 bolts per wheel well to fasten sheet metal to sheet metal only. These bolts may not be any bigger than 3/8, and the washer may be no bigger than ¼" thick and 1" in diameter.
15.   All suspension parts, front and back, must be stock. If it doesn't bounce you don't run. No "leafing" of coil sprung cars; no truck coil springs may be used. On stock leaf sprung cars, leaf packs must have factory number of leafs per that style of car, and must have factory stagger and thickness. No more than 3 clamps per leaf pack. Clamps can be home made but must be similar to stock. Leaf packs must attach at factory location using factory hangers for that type of car (I.E. no converting Ford S hangers to GM style). On factory coil sprung cars, all components must be kept stock for that make of car. This includes control arms. THERE WILL BE NO ALTERING OR STENGTHENING CONTROL ARMS IN ANY WAY, THIS INCLUDES LENGTHENING or SHORTENING. No Chain on Suspension.
 
16.   You may use any factory car bumper. Bumpers may be welded to the shocks, bumper shocks may be welded solid, and shock brackets may be welded to frame. Attachment of bumper, shocks, or brackets may not be done in such a way to reinforce the frame. No home made shocks or brackets, no welding the inner and outer skins together, no loading of bumpers in any way. Whether welded or not, the bumper MUST be chained or wired to the car in two spots. These attachments may not be in front of the radiator, and may not act as reinforcement. The Max bumper height is 24" from bottom of bumper to the ground.  Min. height is 16" to ground.
 
17.   OPEN HOOD INSPECTION AT TECH. Hood must be wired, chained, or bolted shut within six inches of each of the four corners using no bigger than 3/4" bolts, one wrap of 3/8" chain, or up to six strands of #9 wire. You may also wire hood shut at the center of the hood (halfway between the core support and firewall). The front two attachments may extend thru the frame with up to 3/4" all thread in place of the body mounts. The rear attachments may only attach sheet metal to sheet metal, and may not extend to the frame or floor. Center tie downs may only go from sheet metal to sheet metal, using only wire or chain as specified above.  Hood must have 12" hole for fire safety. No chain or wires shall be located in front of the radiator. If the fan becomes exposed during the event, the car will be disqualified.
 
18.   Trunk lid must have a minimum 12" inspection hole. Deck lids and tailgates on wagons may NOT be welded or bolted shut. They must be wired or chained shut in 6 places, using no more than six strands of #9 wire or one pass of 3/8" chain. You can weld one washer to the body where the strands of #9 wire pass thru. This washer may not be anymore than ¼" in thickness and 2" in diameter. Deck lids and tailgates may be removed. Tucking deck lids is O.K., but at least half of the deck lid must still be in the stock location.
 
19.   Doors must be welded, wired, or chained shut. If welding the doors shut, you may weld them solid using strapping no bigger than 3/8" thick and 3" wide.  If using wire you must use min. six strands of #9 wire in at least two attachment points on each door. The tops of the doors may be folded over to the inside, but the door tops may not be welded. Officials must be able to see the interiors of the doors.
 
20.   Body panels may NOT be creased.  You may "sedan" a wagon, but the roof may not be tied down or attached to any part of the floor or body in any way. Rear quarters and speaker trays must be close to stock location. NO WEDGE CARS, PERIOD!
 
21.   No patching of sheet metal except for floor pans (passenger area, trunk floors and rear pans can be patched). These floors may be patched with stock thickness sheet metal in a stock manner. Repairs are okay, but reinforcement is illegal.
 
22.   No wire inside the cabin of the car (i.e. wire cannot be run from the roof to the frame). The only exception to this rule is that you may use wire to go thru the seat back and run it to the roof solely for purposes of holding the seat back in place.  Or a body mount that has rusted out.  You may run 9wire in place of the missing bolt (3 wires only).  No more than 3 mounts may be fixed.
 
23.   Any use of Wire, chain or similar fastening material shall not be excessive.
 
24.Body mounts must remain stock, with the exception of the back two body mounts in the trunk, and the front two body mounts that go thru the core support. The back bolts may be no larger than 3/4" in diameter and must be placed in the car the same way they came out (Do not extend bolts through the bottom of the frame). The front two body mounts at the core support may be replaced with 3/4" all thread, and may be run up thru the hood. These four body mounts must have a spacer at least 1" and no more the 3" tall. These spacers can be any material, but a metal spacer cannot be welded. Washers used for these four body mounts ONLY may be no more then ¼ inch thick and 4"x 4".

25.   A four-point cage is strongly encouraged. Cage material can be 3" x 3" Max.  Dash bar must be a minimum of 6" behind the center of firewall and rear bar may be no more than 6" behind the driver's seat. These bars along with your sidebars must be at least 6" above the floor pan. You may have this as a floating cage connected to the body, or you may connect it to the floor pan with 4 down bars. If you run the down bars they must be VERTICAL, and cannot tie into the body mounts. You may also run a rollover bar constructed of two down bars and one cross bar. The down bars must be VERTICAL, and cannot be located more than 6" behind the driver's seat. These down bars may be welded to the topside of the frame only. If you tie the roll over bar into you cage these bars will count as your cage’s rear down bars, the front bars must still go to sheet metal only. The cross bar must be horizontal and may either be on the inside or outside of the roof.  The cage must be built for safety and not for reinforcement. If cage welds are not deemed safe, car will not run until welds are fixed.
 
26.   A driver's door protective plate is required unless you have welded the driver's door shut AND you have also installed a 4-point cage. Even if you have welded the door and installed a cage, the doorplate is still encouraged. The driver's door protective plate is to be located on the outside of the driver's door only. The doorplate must be a minimum of 6" wide and 1/4" thick, and must extend at least 3 inches but not more than 6 inches past each door seam.
 
27.   Drive Line: You may run any motor and transmission combo. You may use any factory five-lug car rear end. You may run homemade cross members, but they must be similar to factory. The cross member must mount close to factory location, and may not in any way act as a kicker or reinforcement. Cross members may be not bigger than 3X3in.  Rear ends must mount in factory manner. No altering rear cradle for rear end. Gear ratio must be no different then stock factory ratio (400 gear max). NO REAR END BRACES. Motor mounts may be altered, but must still work in factory manner.  ONLY FACTORY MOTOR MOUNTS MAY BE WELED TO THE FRAME.  If motor mount is altered, it must be bolted.  (I.e. if you enhance the block mount to protect the boss’s, the block mount must both to a factory rubber motor mount). If you alter a motor mount it cannot reinforce the car in any way.  You may swap factory mounts between makes (you may use a factory gm motor mount in a ford car and it may be welded).  Factory Motor mounts may be chained or welded down, but can only attach straight down to the engine cradle. In such case, the chains or welding must do nothing more then hold the motor down and may not in any way be reinforcement or act as a skid plate. NO DISTRIBUTOR PROTECTORS. NO MID OR SKID PLATES.  NO CRADELS.
 
 
 
 
 
28.   Frame: No welding, plating, loading, pinning, capping, creasing, boxing C-channel, or altering the frame in anyway except what is specifically authorized in the rules. If any part of the car's frame seams have been welded it will not run. Any "hump plates" will have to be completely removed, No slicing or partial removal will be approved. Frame may be notched, but notch may NOT be pulled back together and re-welded. No re-welding front tabs on 80's and up fords (if you don't understand, ask ahead of derby day). You can re-stub bent frame horns on a pre-run by butt-welding the new section on.  You will be allowed up to 4 patches to fix frame damage or rust, these patches must be no bigger then 4" x 6" x ¼" thick. Damage or rust must be visible to the inspector (frames will be scoped with a camera).   You may only use one patch per damaged area; patches may not be welded together or connected in any way. You may only use 2 patches to repair rust on the entire frame.  No more than 4 patches on any car.  Pre-run cars may weld up a crack in the frame, but this counts as a patch.
 
29.   With the exception of the changes from stock, which are specifically allowed in these rules, THIS IS A STOCK DERBY. No other welding, bolting, wiring, adding foreign material, or doing anything to reinforce or strengthen your car is permitted.  There is only 1 interpretation of these rules.  If you do not understand any rule, or you think there are multiple interpretations, call before building your car.  Blatant cheating will result in disqualification.

 

2012 TRUCK RULES: 
Any full size truck 3/4 ton and below are legal for this event. 4x4 trucks are legal, but front drive shaft must be removed.  S.U.V.'s and Vans are legal.

Fuel Tank: Stock fuel tanks must be removed. A METAL boat tank or fuel cell must be placed in the bed of the truck, against the cab. Fuel line must be mounted securely.

Body: Doors must me welded or wired shut. But must be bolted or welded to the cab. Rust can be patched with same gauge metal, no more than 1-inch overlap. Truck beds may be interchanged but must utilize factory frame mounts.  May only run Factory style beds, No utility or homemade beds. Body can be bolted solid to frame.  All trucks can have a maximum of 8 body mount bolts in the bed of the truck. Body mount bolts may be replaced with bolts no lager than 1in. Washers may be no bigger than 3in x3in. Tailgates may be welded solid. Tailgates may be dropped. You may run 9 wire from bedside to bedside in 1 place. May bolt hood down with max 6 1-inch bolts.

Cage: You may run a 4-point cage inside the cab of the truck. Cage can be welded to the frame. You can run a gas tank protector in the bed of the truck. It may not connect to cage. Protector can only be 36 in wide. This is to protect gas tank only.

Bumpers: May use any OEM automotive bumper (no farm Bumpers). Bumper must have a factory front and back skin. Bumpers can be welded together. Trucks may use home made mounting brackets. Brackets may be welded to the frame. Brackets can be no larger than 6 inches. NO OTHER WELDING ON THE FRAME ANYWHERE.

Drive Line: Any motor transmission combination. 8Lug rear ends are OK.

Suspension: Leafs have to be stock or less than stock, no flat leafs must have an arch to them. 3 claps per side.

Tires: No paddles, no v-treads.  No split Rims.  No bead locks.
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2012 MOWER RULES
 
  1. Mower must be a factory available belt driven mower or garden mower. Rear engine mowers are not permitted.
  2. Mower decks must be removed.
  3. All headlights and any other glass or plastics must be removed before the event.
  4. Batteries must be removed from mower.  They may only be used to start the mower at the beginning of the heat.  If the mower is “pull start” it may not be refired during the event.
  5. No centrifugal clutch.

Drive Line:

 
  1. Engine must be a factory lawn mower engine. Example (Briggs & Stratton, Tecumseh, Onan, ect.).  18 Horse Power Maximum. 
  2. Transaxles must be factory available mower transaxles.  Reinforcing and or welding spider gears are permitted.
  3. Mowers must have good breaks at the start of the event.
  4. Regearing and changing of pulleys is permitted and encouraged.
  5. All Mowers must have a visible number on each side of their mower. If scorers cannot read your number, your mower WILL NOT BE SCORED.

Build Specs:

  1. All frame modifications and frame reinforcing will be allowed.  NO HOME MADE FRAMES.
  2. Engine bay reinforcing is permitted, but must be contained inside of the hood.  All mowers must maintain factory bodylines. (This does not apply to area around carburetor).
  3. All mowers must run a factory hood and fenders.  The hood must be bolted or welded down to the dash area.  Note: if the hoof is fiberglass, you can make one out of sheet metal.  The hood must be the same size as the fiberglass one.
  4. Gas tank must be secured and have a cap on it.  (ANY GAS AT ALL LEAKING AND YOU WILL BE ASK TO SHUT IT DOWN)
  5. LEG GUARDS ARE MANDATORY, and must be welded or bolted from the rear fender to the front of the footrest or frame.  We would like for the leg guards to be enclosed.  If they are not, down bars must be installed every 2 inches.  Mowers with leg guards enclosed with metal, down bars may be no more than 6inches apart.  NO SHARP EDGES.  Everything in the leg guard area must me rounded off and smooth.
  1. Front bumpers are legal in the following manner: Bumpers may be no wider than the center of the tires.  Bumpers may be no more than 10in tall.  Bumpers may not extend out from mower any more than 4in.  Bumpers may only attach to the front of the mower.  Bumpers must not have any sharp edges, points, or spikes.  If the bumper is not safe, it will be removed.
  2. Rear bumpers are legal in the following manner: Bumpers may be no wider than the outside edge of the tires.  Bumpers may be no more than 10in tall.  Bumpers may not extend out from mower any more than 4in.  Bumpers may only attach to the rear of the mower.  Bumpers must not have any sharp edges, points, or spikes.  If the bumper is not safe, it will be removed.
  3. All mowers must use lawn mower type wheels.  Tractor treads and cut tires will be permitted, but no chains or dual wheels will be allowed. 

Event Rules:

 
  1. The last mower to make a hit is the winner.
  2. Mowers must hit every 30 seconds.  If you are hung up you will have 1 min. to make a hit to stay in the event.
  3. If a mower rolls over, they are out.
  4. If a mower gets pushed out of bounds, they are out. All 4 wheels.
  5. If a mower drives out of bounds, they are out.
  6. This is not a team sport, team driving is not allowed.
  7. If your feet touch the ground, you are out.
  8. If you leave your seat for any reason during the event, you are out. Unless safety is involved.  I.E. rollovers.
  9. All mowers must stop under red flag conditions.
If the final 2 mowers get stuck on each other, they will be separated 1 time.
2012 Compacts
All Rules for the ProStock Class apply to the compact car build.
Cars must but less than 108in.
NO V-8's.
Cars with electric fuel pumps are not allowd.
All cars may run gas tank protectors. (to sheet metal)
2012 Youth Minis
Youth Class: This class is designed to be a cheap easy way to get kids involved in demolition derbies. This class is for learning and FUN. KEY WORD HERE, FUN!

1. Any 1980 Front Wheel Drive car is eligible that has 108in wheel base or less.
2. Car must have all flammable materials removed from the car. (Front Seats and Dash may be left in car).
3. All Chrome or plastic trim mush be removed from the outside of the car.
4. Factory gas tank may be used, but it must be moved to the back seat. All tanks must be completely covered. Use tarp, plastic, or rubber type of material. All cars running an electronic gas tank, must have a shut off switch. that shut off switch must be mounted in the dash area and clearly marked.
5. Batteries must be relocated to passenger side floorboard.
6. A 4 bar halo cage is recommended but not mandatory. A driver’s doorplate is recommended, but not mandatory.
7. Doors may be welded shut. Must at least be wired shut. Min. of 2 spots of wire per door seam.
8. Bumpers may be welded on, no adding metal. Weld bumper to shock, then shock to car. Bumpers must me factory, or from a 1980 and newer front wheel drive. NO FULL SIZE BUMPERS
9. Trunk or rear hatch may be wired shut in 4 places.
10. Car must run DOT Tires. Factory spare tires are ok.
11. Drivers door must be painted white or fluorescent orange.
12. Car must run factory suspension. no alterations of any kind.
13. Must have windshield bar or wire.
14. Fenders may be cut for wheel clearance.
15. Nothing else may be done to these cars. If it does not say you can do it, DO NOT DO IT. If you do not understand any of these rules, call before the show.
16. This class is for kids, this class is meant to be fun. With that being said, safety will be of the up most importance. If a car is unsafe it will not run. If a car takes enough damage that we feel the driver is in danger, the car will be disqualified 

Click here to email your questions directly to the Head inspectors.

ROUSE PROMOTIONS LLC: JR ROUSE 765-238-8012