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Tom & Loris Helfrich

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Tri-State Speedway
9981 S. U.S. Hwy 41
Haubstadt, IN 47639

DEMOLITION DERBY RULES - 2010

RACE DATE: SEPT. 26, 2010
(RAINDATE: OCT. 10, 2010)

Registration from 9:00 AM – 12:30 PM. Races begin at 1:00 PM.

Entry fee of $25 includes car & driver, additional $5 extra for any other event entered. $10 extra for more than one car entered. Pit passes $15 per person. No one under the age of 14 years of age permitted in restricted pit area.

The following rules and regulations are designed and shall govern all events. The participant agrees to comply and understand they are intended as a guideline for the conduct of the demo, and in no way guarantees against injury or death to drivers, pit helpers, spectators, or officials. All rules will be enforced and if a question arises on any of the rules, an official decision shall be made and will be final and binding for that car and all others. Rules are subject to change. DECISIONS OF THE OFFICIALS WILL BE FINAL AND BINDING.

A: Drivers 16 & 17 and pit entrants under age 18 require signed release from parent or legal guardian. Proof of age is MANDATORY if requested. Be prepared. MUST BE 14 YEARS OF AGE OR OLDER TO ENTER THE PIT AREA
B. Officials reserve the right to accept or reject any and all entries.
C. Competitors signing the release form acknowledge the following guidelines and agree to abide by them.

Due to many requests, we are now allowing the cars to be "built" more than we used to. Read the rules fully for clarifications. Some of the changes include: 

  • Suspension may be stiff.
    *No solid rods / pipe. Use shocks & springs, bolt, etc. *Solid / reinforced tie rods ok.
  • Tailgate-Hatch-Trunk lid may be welded shut.
  • Frame seams from cowl mounts forward and body mount box may have bead of weld added to them.
  • Cage can be welded or bolted to the sheet metal at the front of the wheel hump .No pre-mashing down sheet metal.
  • No plates anywhere on frame. Filler repairs are acceptable. Very minimal overlapping allowed on metal repairs.
  • Any driver bringing a plated or reinforced vehicle is subject to disqualification for this and future events.
  • HUMP PLATES ARE ALLOWED. THEY MUST BE NO LONGER THAN 22” LONG; 11” EACH WAY FROM THE CENTER OF THE HUMP; 3/16” OR LESS THICKNESS; ON THE OUTSIDE OF THE FRAME ONLY AND MUST CONTOUR TO THE SHAPE OF THE FRAME.

VEHICLE REGULATIONS

Must be ANY year hardtop car or station wagon: NO HEARSES, LIMOS, JEEPS, CHECKERS, IMPERIALS, TRUCKS or SUV’s unless specified.

All cars must have large, legible number on both sides and top of car. No obscene or profane writing, painting, etc. on cars.

BEFORE ARRRIVING AT THE TRACK THE FOLLOWING ITEMS MUST BE REMOVED: all glass including windows, tail lights, side marker lights plus all chrome molding strips, rubber molding, fiberglass around the grill, outside door handles and locks, aluminum and/or plastic grill parts, outside mirrors, freon, and rear seats. ALL CARS MUST BE SWEPT CLEAN.

All cars must have operating seat belts or car will not compete and entry money will be refunded. FIRE EXTINGUISHERS ARE MANDATORY IN EACH CAR WHILE ON THE TRACK.

BIG CARS DRIVETRAIN / ENGINE

  • Homemade driveshaft permitted.
  • Any make motor & transmission in any car.
  • Distributor must not pass through firewall at the time before the race inspection; will be judged at time of inspection.
  • Distributor guards allowed, but cannot connect to or touch cage before or after derby.

BIG CARS SUSPENSION

  1. Suspension may be stiff. Do not change coils to leaf etc.
  2. Do not replace springs or shocks with solid rods/pipe. Solid / reinforced tie rods are acceptable.
  3. Height must not be any higher than 27 inches from top center of bumper(s) to the ground. We understand used cars will possibly differ and should be acceptable. Example: Spacers may be used to raise height. Do not smash center of bumpers down to try and make height requirement.
  4. Humps may be chained, one chain per side. Chains must have slack when you pull on the track.

BIG CARS FRAME & BUMPERS

  1. Frame seams & cowl body mount boxes forward may have single bead of weld added.
  2. Bumper skins (chrome), brackets, assembly, shock housings & shocks may be welded. Do not weld ends of bumpers shut. Bumper shocks may be welded, bolted or chained on.
  3. No plating anywhere on frame. If the frame is broken, a small "filler" may be put in to fill the break. Minimal overlap of metal allowed on the frame. If it is a plate, it is considered no good. Do not cover frame holes.
  4. Body Mounts: Do not take them out and place body on frame. You may replace them. If replaced, a gap of One Half Inch minimum is mandatory between body and frame. You may replace with a stack of washers, one piece of anything solid as long as it is about the same diameter as the factory bushing. Do not squish factory mounts. Also, the body bolts may be replaced but must be of approximate size as the ones removed. Washers and nuts must remain in same location as any taken out. No big washers on the outside of the frame unless specified in the hoods and trunk lids hold down section.
  5. Bumpers and mounting assemblies may be interchanged: Any car bumper on any car.
  6. Trunk area mounts torn out from previous competition is acceptable. If bolted back together, use spacers.
  7. HUMP PLATES ARE ALLOWED. THEY MUST BE NO LONGER THAN 22” LONG; 11” EACH WAY FROM THE CENTER OF THE HUMP; 3/16” OR LESS THICKNESS; ON THE OUTSIDE OF THE FRAME ONLY AND MUST CONTOUR TO THE SHAPE OF THE FRAME.

BIG CARS HOODS, TRUNK LIDS, HATCHES & TAILGATES

  1. Hoods, trunk lids, hatches and tailgates may be held closed with any one or any combination of these below option(s)…… Hoods must be open & with car during inspection.
  2. Unlimited wire to sheet metal, bumper, roof. Unlimited cable, chains & bolts also permitted.
  3. Up to 4 places in hood and also 4 places in trunk, through the frame, using all thread or homemade threaded rods. The all thread / rods may run through top of sheet metal and down through frame. Do not loop or U shape; Maximum of approx. 1 inch in diameter; May be held in place with maximum of 3 washers per rod; One washer on bottom of frame, one washer on top of frame in hood area with nut on each washer; In trunk, one washer on bottom of frame and one washer on trunk floor pan with nut on each washer; One washer on top of hood or trunk lid with nut on washer; No big washers directly under hood or trunk lid sheet metal; Maximum size of any washer on these hold downs is approximately 7 inches in any direction; Body mounts may be removed if installing all thread through body mount hole.
  4. Angle iron pieces are acceptable. No longer than approx 7 inches in length and approx 7 inches apart; May put on fender & hood and/or quarter & trunk, hatch or tailgate. We understand used cars may not have the 7 inch space. No bigger than approx. 2 inch angle.
  5. Tailgate, Hatch, Trunk lid may be welded solid shut. If welded, use a strap no wider than approx 2 inches, or use filler rod or bead of weld. If trunk lid comes to inspection closed, an inspection hole must be cut in trunk lid minimum of 15 inches in diameter for inspection if we cannot see in.
  6. Hood and/or Trunk lid may be removed. If hood is removed, fan must be removed also. Trunk lids must not be removed and bolted flat inside trunk on floor. They may be trimmed / tucked.
  7. Hood must have hole(s) in it big enough to fight fires if needed. Hood must remain securely down over fan. If hood raises or bridges up where the fan is exposed, you may be taken out. Sheet metal around holes can be bolted back together, no more than 6 bolts per hole.

BIG CARS DRIVER COMPARTMENT ALL DOORS MAY BE SOLID WELDED SHUT

  1. Driver protection bars are permitted by using any or all of these options: Side to side dash bar; side to side bar behind driver’s seat; or back seat area side to side bar. Bar(s) running from dash bar along doors to any bar(s) behind drivers seat. This may make an enclosure of the driver and fuel tank area. A single loop roll bar is also acceptable. Only the roll bar may be welded or bolted to frame. If you have any corner bars, they may only connect to sheet metal / floor pan. If connecting to floor, a washer / plate on each corner is acceptable to secure it down. Rear corners and bars may touch wheel well humps and must not have any kicker plates or be connected to humps. No pre-mashing down sheet metal. Bar cannot go any further back than lower seat cushion location if it was still in the car.
  2. Outside drivers door plate is acceptable. If it comes loose, you may be disqualified for safety.
  3. Firewall may be cut to gain access to distributor, to run lines through or to make floor shifter operate properly. Do not overcut for safety reasons.

BIG CARS MISCELLANEOUS ITEMS

  1. Batteries: Any type or amount may be used. Mount in passenger floor or seat securely and cover.
  2. Drivers door should not be mashed down for easier access to the inside of the vehicle.
  3. Electric fuel pump permitted; must have power cut off switch in reach of driver.
  4. Eye protection mandatory while on track. Helmets must be strapped securely while driving.
  5. Fenders & Quarters may be trimmed. You may bolt them back together. Do not use excessive amount of bolts and washers. No welding panels together.
  6. Fiberglass header panels must be removed: They do not support the car and only make a mess.
  7. Gas tank must be removed and if possible, a smaller tank (recommend metal not plastic) must be placed in driver’s compartment behind driver’s seat; must be covered and securely mounted.
  8. Headers through hood permitted. No side to side header connector to help support hood.
  9. Radiator may not have any foam or padding around it, only in the corners.
  10. Radiator must remain in stock position. Any automobile style allowed. No reserve tanks.
  11. Seatbelts must be operable and worn. If not, car will be disqualified or not compete.
  12. Sheet metal such as dog houses, etc must remain Ford to Ford, GM to GM, etc.
  13. Any type tire may be liquid / solid filled or stuffed; must be 16 inches or smaller size.
  14. Transmission / oil cooler acceptable but must be mounted no higher than front seat due to safety reasons. Mount to floor, back seat area or under hood. Not in front by driver. No reserve tanks.
  15. Anything may be removed unless previously stated. Do not weld Radiator Support, Hood Hinges or anything else unless these rules say you can. Do not weld anything under hood unless it is a repair except for core support which can be welded to the fenders. MODIFICATIONS OUTSIDE OUR RULES WILL BE SUBJECT TO APPROVAL BY INSPECTORS.

MINI CAR REGULATIONS:

Same as big cars except for: No cars appearing to sit higher than normal will be allowed to compete; Must be powered by a motor that is no more than 6 cylinders; Must be 107.5 inch wheel base or less; No frame shortening or moving rear end forward.; Big car bumpers are permitteds; 15 inch or smaller tires / wheels; If 4 wheel drive, you must convert to 2 wheel drive.

BIG AND MINI CARS CAN BE DISQUALIFIED FOR:

A: Using up determined time limit to make a hit (2 minutes); Sand bagging-Not hitting; Holding.
B: Hitting driver’s door. First time: warning; second time: disqualification; 2 small fires or 1 big fire;

LATE ENTRIES will most likely not be accepted: We have a time schedule and we cannot keep the fans waiting. MAKE SURE you get signed in no later than about 45 minutes before show time OR YOU WILL MOST LIKELY NOT COMPETE.

NOTE: Before race inspection should only be for driver safety such as secure batteries and fuel tanks. It is YOUR duty as a driver to bring a car built to the rules. If something slips past us during inspection which is not built to the rules and we find it during or after the race, you will be disqualified. Please do not bring illegal cars.

Demo will be held along with the enduro and other events. The above rules will apply for this derby. The only difference is the vehicles from other events that compete in the derby will be permitted to have a full cage due to other rules requiring this. Keep in mind most cars which derby from these events have the potential to be damaged from the nature of the events. They will not be able to run anything that protrudes outside of the driver compartment to the frame/reinforcement.

Cars must be removed no later than 1 hour after racing ends unless prior arrangements are made.

No heats. Payout is as follows:
Big Cars- 1st place- $1,000.00   2nd place- $600.00   3rd place- $300.00
Mini Cars- 1st place $500.00     2nd place- $200.00   3rd place- $100.00
Operable fire extinguishers are mandatory in each car while on the track.

IF YOU HAVE QUESTIONS, EMAIL: smiller@foetrucks.com or call Stan Miller at 812-453-5580.  Thank you.


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We strive to keep the information on this site updated and as informative as possible, but no liability, financial or otherwise, is assumed for inaccurate information or changes made to events, dates, divisions, rules, information or pricing contained herein.