Spring Loaded
Demolition Derby

Eligibility

• Any American-made car can run with the following exceptions: No 4×4s, ambulances, hearses, trucks, or limousines.
• No swapping of frames. Must be stock.
• Wagons must have a rear window with a minimum of 14″ tall by a maximum of 4″ wide at the normal window opening.

Car Preparation

• No frame modifications unless specified by class. No boxed frames or loaded bumpers allowed.
• All cars must be stock unless modification is stated in the rules.
• All glass, plastic, chrome, and interior must be removed from the car before arriving.
• All trailer hitches and braces must be removed.
• Batteries must be moved to the passenger front floorboard. They must be properly secured and covered.
• You must have a number in bright colors on each front door and a 15″×15″ sign on the roof with the car number. You cannot use the roof sign to strengthen the car.
• You must use a radiator and it must be in stock location. Radiator may be relocated if reinstalled.
• All cars must have working brakes when you cross the ramp.
• You can run a shifter through the floor and have a switch panel. If running an electric fuel pump, it must be hooked up to your ignition switch.
• You may cut wheel wells for tire clearance. Fenders may be bolted together, or you may roll your fender once and weld them — one or the other, not both.
• No radiator guards in front of or behind the radiator. No spray foam around the radiator and supports.
• Sheet metal/panel creasing is allowed.

Tires

• Tires no bigger than 17-inch rim.
• No split rims. No aluminum wheels — steel only. No studded tires.
• Foam-filled or doubled tires are OK.
• Valve stem protectors are OK. Tires may be screwed to rims.
• No bracing or bead locks on the outside of the rims.
• Agricultural/directional tires are allowed.

Engine & Transmission

• Use engine of choice; engine must be in stock location.
• Transmission pan and engine oil pan may be plated for protection — ¼″ plate maximum, same width and length of pan only, welded to the pan only.
• Transmission crossmember may be moved and located to mount to the transmission tail shaft housing mounts.

Rear Differentials

• Use rear end of choice but must be no more than 8 lugs. No agricultural rear ends.
• You can tilt the rear end. Welded or posi-track highly recommended.
• Slider drivelines are acceptable. Axle savers are allowed.

Fuel System

• Original gas tanks must be removed. You must use a boat tank or well-made metal fuel cell (7 gallons maximum), properly secured and covered.
• Only metal tanks may be used. Fuel line must be secured and fastened properly; metal line is highly recommended with a maximum of 8″ of rubber line on either end.
• Fuel lines must run inside the car and be protected. Keep away from exhaust. Fuel lines are recommended to be covered.
• Place the fuel cell behind the driver's seat or in the center of the car where the backseat was. No other source of gas inside the car at all.
• No gas tank or gas line may extend past the rear seat area of the vehicle.
• Protection bars around the fuel cell inside the car are allowed; they may not reinforce the structure of the vehicle in any way.

Driver Cage

• A roll bar or halo can be installed behind the driver seat that extends to or above the roof line with round, square, or rectangular tubing, minimum 3″ to a maximum of 8″. Roll bar or halo may not be welded to the body in any way.
• The roll bar or halo can be directly welded to the top of the frame rails or mounted to the floor with a maximum of 12″×12″×⅜″ steel plate. Only two vertical bars are allowed. The roll bar or halo needs to be able to support the weight of the vehicle in case of a rollover.
• A horizontal seat bar may be welded between the vertical halo bars or between the door posts at seat back height, and another bar may be installed 6″ above the floor height behind the driver seat. These bars may not be welded to the frame or body.
• A dash bar is to be installed between the lower area of the "A" pillar to replace the original dash. Two vertical bars can be installed from the dash bar to the top of the frame on the inside of the front door seam. All tubing must be 4″ maximum. Dash bar can be made of 6″×6″ angle iron.
• Horizontal door bars may be installed on both sides inside the front doors only. The driver side may have up to three horizontal bars. The driver door opening needs to remain large enough to enter and exit quickly in case of emergency. 4″ maximum tube size.
• "A" Pillar support vertical bars may be installed inside the "A" pillar from the dash bar up and across the inside top of the windshield area. These bars may not be welded to the body in any way.
• Windshield bars must be installed — a minimum of two and a maximum of four bars are required directly in front of the driver. 2″×2″ square tube or 3″×⅜″ flat bar is recommended.
• You may weld one 2″-diameter rear bar in the center of the rear window from the halo bar to the first 6″ of sheet metal on the rear valance area. Wagons may weld a rear bar from the halo to the body at the rear of the rear tire inside the vehicle.
• Frame kicker support bars from the vertical dash bars to the front frame area are allowed, not to exceed 12″ past the front of the firewall.
• A support frame for the fuel cell may be welded to the halo and seat bars. It may not be welded or attached to the frame or body in any way.

Bumpers

• Front or rear bumpers may use any factory inner and outer automobile bumper or 5″×5″ 3/16″ square tube with open ends and nothing inside.
• Bumpers can be no wider than tires front and back.
• Bumpers may be mounted with any automobile bumper bracket and shock mounted on one side of frame extending no farther back than the first 12″ of frame.
• Rear bumpers may have two straps 2″×⅜″ thick welded from the trunk to the bumper — only a total of six inches welded on either end.
• Front bumpers can have two straps 2″×⅜″ thick welded 6″ on the bumper and 6″ on the radiator support. The bumper brackets must be touching the bumper.

Trunks & Hoods

• You can fold hoods or trunk lids over. Do not slide your hood or trunk forward or back; trunk must remain on hinges.
• Your trunk lid may be V'd in the center but must remain at least 8″ off the trunk floor (measured from top of frame rails).
• Trunk lids must have a 12-inch hole cut in the center for inspection purposes. The inspection hole may have 3 bolts (⅜″ or less) and 1.25″ diameter washers.
• 2 – 1″ all-thread may go from the trunk lid to the frame or trunk pan vertically. If it passes through a body mount hole, you must have a 1″ spacer between the body and frame.
• Hoods must have at least a 12-inch square hole over the air cleaner. Any holes in the hood may be bolted back with ⅜″ or less bolts and 1.25″ washers — no more than 12 bolts total. You may have up to four 1″ all-thread with 4″×4″ washers to hold the hood down.
• No welding hood to bumper. Hood MUST be opened for inspection or have a large enough cut-out to see the engine fully.
• Trunk lids may be chained, wired, welded, or bolted from sheet metal to sheet metal. No welding trunk to bumper. All doors and trunk can use 3″×⅛″ strapping or ¾″ rod to weld seams.

Suspension

• Suspension must be stock height. Bumper height not to exceed 24″ to the bottom of the bumper and must be a minimum of 14″ from the ground, both front and back.
• Leaf springs must be stock, minimum 1″ stagger. Maximum 8 leaf springs per side, no thicker than ⅜″ and no wider than 2¾″. The main leaf must be the top spring in the pack. You can re-clamp springs with 4 clamps per side.
• Coil springs can be changed to a stiffer spring or add a spring. You may run up to a 1″ bolt from your rear end housing to the package tray; no chains allowed. You can either bolt or chain your rear end — DO NOT do both.
• You cannot change the length of trailing arms. Rear control arms must be stock but can be reinforced. You may weld them solid.
• Do not raise the suspension any other way except what is listed above.
• You can bolt, wire, or chain coil springs to the rear end and frame to prevent springs from falling out. DO NOT go through body.
• You may weld leaf spring mounting brackets to prevent them from becoming unbolted. You can loop chain or wire (1 loop of ⅜″ chain or 4 loops of #9 wire) from the rear end to the frame in 2 spots on each side.
• We will allow you to weld one chain link only to the side of the frame if you choose to weld the chain instead of wrapping it around the frame.
• When attaching leaf spring brackets, you will be allowed to use 4″×4″ ¼″ square tubing no longer than 4″ to be welded to each side of the frame rail. DO NOT reinforce factory mounting plates.

Steering

• Tie rod tubes may be manufactured but must stay close to the same length and mount in the same configuration as stock.
• Aftermarket spindles are allowed. Do not re-engineer the way the steering components mount to the frame.
• Upgraded ball joints and tie rod ends are allowed.
• Upper control arms can be welded down with 2″×4″ ¼″ plate.

Eligibility

• Any 2-wheel drive, V8-powered, full-size car from the 80s and up. No 4×4s, ambulances, hearses, trucks, or limousines.
• No swapping of frames or bumpers. Must be stock (OEM) automotive style bumper with no reinforcements.

Car Preparation

• Driver safety is the highest priority. Protect the driver and others at all times.
• No fresh paint or undercoating on the frames at all. No buffing or grinding frames except where welding is specifically allowed in these rules.
• All glass, plastic, chrome, and interior must be removed from the car before arriving.
• All trailer hitches and braces must be removed.
• Batteries must be moved to the passenger front floorboard. They must be properly secured and covered.
• You must have a number in bright colors on each front door and roof, and a 15″×15″ sign on the roof with the car number for judging. You cannot use the roof sign to strengthen the car.
• You must use a radiator and it must be in stock location. Radiator may be relocated if reinstalled.
• All cars must have working brakes when you cross the ramp.
• You can run the shifter through the floor and have a switch panel. If running an electric fuel pump, it must be hooked up to your ignition switch.
• You may cut wheel wells for tire clearance.
• No radiator guards in front of or behind the radiator. No spray foam around the radiator and supports.

1 — Assumption of Risk

• Demolition derby is an inherently dangerous motorsport activity. Participation as a driver, crew member, or pit area personnel involves significant risk of serious bodily injury, property damage, or death.
• All participants — including drivers, crew members, and pit personnel — voluntarily assume all risks associated with participation in the Spring Loaded Demolition Derby, whether or not such risks are foreseeable at the time of registration.
• Risks include but are not limited to: vehicle collisions, fire, rollover, flying debris, mechanical failure, fuel or fluid leaks, crowd contact, and acts of other participants.
• Spectators acknowledge that demolition derby events involve high-speed vehicle impacts and that debris, fluids, or vehicles may leave the competition area. By attending, spectators voluntarily assume all risk of injury or property damage arising from the event.

2 — Release of Liability

• By completing registration and/or entering the event premises, all participants and spectators release, waive, discharge, and hold harmless Grand View Event Center, its owners, operators, officers, employees, volunteers, agents, sponsors, and affiliated organizations (collectively "Released Parties") from any and all claims, demands, losses, damages, or causes of action arising out of participation in or attendance at the Spring Loaded Demolition Derby.
• This release applies to claims arising from the negligence of Released Parties, except in cases of gross negligence or willful misconduct as determined by a court of competent jurisdiction.
• This release is binding upon the participant's heirs, estate, executors, administrators, and assigns.
• Participants and spectators agree to indemnify and hold harmless the Released Parties against any claims brought by third parties arising from the participant's or spectator's conduct at the event.

3 — Minor Participants

• Drivers aged 16 or 17 must have a parent or legal guardian sign a notarized release form prior to inspection. No minor will be permitted to participate without a completed, notarized release on file.
• By signing the minor release form, the parent or guardian agrees to the full terms of the Assumption of Risk and Release of Liability on behalf of the minor and themselves.
• Parents or guardians who bring minors as spectators do so acknowledging the inherent risks of the event and accept full responsibility for those minors.

4 — Vehicle & Property

• Grand View Event Center assumes no liability for damage, loss, or theft of any vehicle, equipment, tools, or personal property brought onto the event premises.
• All competition vehicles are entered at the owner's sole risk. Damage to or destruction of a competition vehicle during the event is an expected and accepted outcome of participation.
• Participants are responsible for any damage their vehicle or equipment causes to third-party property, other vehicles, or the event venue.
• Vehicles deemed unsafe or non-compliant at inspection will not be permitted to compete. Entry fees are non-refundable regardless of inspection outcome.

5 — Medical & Emergency

• Grand View Event Center will make reasonable efforts to have first aid resources available on-site. However, the presence of such resources does not constitute a guarantee of medical care or outcomes.
• Participants consent to emergency medical treatment in the event they are incapacitated and unable to provide consent. Costs of any medical treatment are the sole responsibility of the participant.
• Grand View Event Center reserves the right to pause or cancel the event at any time in the interest of public safety. No refunds will be issued for event cancellations due to safety, weather, or circumstances beyond the venue's control.

6 — Media Release

• By participating in or attending the Spring Loaded Demolition Derby, all participants and spectators grant Grand View Event Center and its affiliates the irrevocable right to photograph, film, record, and reproduce their likeness, voice, and image for promotional, marketing, and social media purposes without compensation.
• Competition vehicles displayed at or participating in the event may be photographed or filmed and used in promotional materials.

7 — Rules Acknowledgment & Governing Law

• Completion of registration constitutes the participant's acknowledgment that they have read, understood, and agree to abide by all rules set forth in this document.
• Grand View Event Center reserves the right to amend these rules at any time. Participants will be notified of material changes prior to the event.
• These rules and any disputes arising from this event shall be governed by the laws of the State of Colorado. Any legal action must be filed in Delta County, Colorado.
• IF YOU DO NOT AGREE TO THESE TERMS, DO NOT REGISTER OR PARTICIPATE IN THIS EVENT.