DEMOLITION DERBY RULES
IOWA COUNTY FAIR
PREPARATION OF FULL SIZE, MID SIZE, AND COMPACT CAR CLASS DEMOS:
- **** Only 1977 and newer 2 or 4 door Sedan or Hardtop and Station
Wagons may be used in the competition. Must have proof of
year if there is a conflict. No Trucks, Chrysler Imperials,
Jeeps, or Carry All’s permitted.
- ALL GLASS MUST BE REMOVED from the windows, headlights,
and taillights prior to the arrival at the site of competition.
Rolling windows down is not permitted.
- Absolutely NO REINFORCEMENTS of any part of the vehicle or materials
in the trunks will be allowed. All we want is a plain car. NO
EXTRA PARTS. If it is not standard from the factory, it is not allowed!!
- Gas Tanks: All factory gas tanks must be removed
from the vehicle. Factory gas tanks are not allowed inside the
vehicle for competition. Drivers must use a smaller gas tank, such
as a boat tank, etc. Also not five gallon cans or plastic tanks allowed.
These tanks must be mounted and covered. (Carpet or rubber floor
mats, etc.) Behind the driver's seat of the vehicle. All gas kept
in the pit area must be in a RED container.
- SEAT BELTS and or shoulder harnesses are REQUIRED equipment.
They must be securely fastened and worn at all times during the
- Doors, Trunks, Hoods, and Frames: ABSOLUTELY
NO WELDING ALLOWED on the doors, trunk lid, hood, seam on the
frame, or on bumper brackets. All trunk lids and hoods may be secured
by the following: 2 chains, or 2 wires per trunk lid or hood or 2
threaded rods in the trunk lid or hood. Threaded rod may be secured
to the frame of the vehicle by bolting or welding. Threaded rod MUST
NOT EXCEED 3/4" in diameter. Every hood must have a 12" to
14" hole cut over the carburetor.
- Doors: All doors must be chained or wired. 1
Chain or 1 Wire for each door. Chain or wire length must not
exceed 24 inches. (If you wish you can have a Driver’s Door
bar it must be inside the driver’s door post. A
MAXIMUM OF 3 INCHES in diameter pipe, and cannot be any longer than
the front driver’s door, and cannot be connected to frame or
sub-frame in anyway)
- Station Wagons: No welding on tailgates. Tailgates
may be secured with two chains or wire straps. Chains or wire straps
are not to exceed 30 inches in length. ABSOLUTELY NO THREADED ROD
IN THE REAR OF ANY STATION WAGON WILL BE ALLOWED.
- Bumpers: Impact bumpers may be welded on the
piston only. No welding in any bumper bracket will be allowed.
For additional support, drivers will be allowed to chain their bumpers
using 2 chains per bumper. Chains may be bolted or welded to
the frame of the vehicle. NO UPSIDE DOWN BUMPERS!
- Radiators: No extra radiator or transmission
hook up's allowed. Must strictly be stock. Water only no
antifreeze will be allowed.
- Tires: Only 13", 14", or 15" passenger
tires are permitted. Tires must not be bolted or fastened to
the rim in any manner. Absolutely NO skid steer, forklift
or airplane tires allowed. Must be DOT approved. **(Tires
cannot be more than 30 inches tall)**
- Suspension : Shocks and suspension must not be
altered in any manner to increase the height of the vehicle. No stiff
- Batteries: One or Two stock automotive batteries
or one large batter of your choice is permitted. Battery or batteries
used must be securely fastened to the floor and covered. (Rubber
floor mats or carpet)
- Brakes: All cars must have brakes before the
beginning of the heat. If we find that you do not have brakes
before the heat, the vehicle will be disqualified.
- Compact Car Class: A minimum of 3 cars needed
before this class will run. NO Gremlin, Pacer, or Mavericks. All
4 cylinder motors will make up the compact car class. All rules are
the same as full size cars.
- Mid-Size Class: A minimum of 3 cars needed before
this class will run. ONLY 6 CYLINDER CARS WILL BE IN THE
- DRIVERS SEAT: You may use a pipe behind the driver's
seat and dash bar [without kickers]. The pipe MUST NOT EXCEED A 3
INCH IN DIAMETER. The pipe should be welded or bolted to side of
the car. The bar behind the seat must have a chain that is welded
to the bar and wrapped around the frame and double bolted.
- Welding: NO welding except 3 inch front and rear
driver's door, Pumpkin gears, Front and rear bumper shocks, motor
mounts, and transmission mounts.
- Engines: Engine in vehicle does not have to be
of the same manufacturer as the body. Stacks are permitted only
if completely vertical and out the hood. Cannot exceed 18 inches
above closed hood. Compact engines must be 4 cylinders. Mid-size
car engines must be 6 cylinders. Class determination for compact
and mid-size cars will be made on the day of the show.
- Vehicle Disposal: All drivers are responsible
for the disposal of their vehicles. Including tires, parts, and
all garbage. You will be responsible for cleaning up your entire
area before leaving the pits.
- Registrations Fees: Car and Driver Fees will
be $30.00. Pit Pass will be $10.00each.
- Registration: All Cars must be registered be
5:30 PM the day of the Demo. A $15.00 late fee per car will
be applied after 5:30 PM
- ******* FUEL LINE MUST BE RUN THROUGH A PROTECTIVE COVER
- All carpet needs to be removed from vehicle.
- No shark fin numbers.
- Rear-end must match make and model of the car.
- Cover all fire walls.
- DAY OF THE DEMO, OFFICIALS WILL HAVE THE FINAL SAY.
Derby Entry Form - Click and Print
Entries are open to men and women 18 years of age or older. Drivers
16 and 17 years of age can enter with the legal approval of a parent
or guardian. There must be at least 3 women entered in order
to have a powder puff class.
Pit Crew: All pit crew members
must be 18 years of age or older. Pit Crew members 16 and 17 years
of age will need to have legal approval of a parent or guardian. Pit
crew members must be able to show proof of age upon request.
Absolutely no alcohol beverages will be permitted in the pits.
Any driver or pit crew member judged inebriated will be disqualified.
Drivers and/or owners are required to remove their demolition derby
cars and trash from the fairgrounds or show area before departing.
I, Larry D. Schultz and or any referee, reserve the right to approve
or reject any and all entries.
Any driver protesting another call MUST DO SO BEFORE THE FIRST HEAT.Officials
shall inspect cars being protested, with the person filling the protest
and any decision reached by officials, will be final! Demolition
Derby officials reserve the right to re-inspect any car before, during,
or after the show.
****A CRASH HELMET, LONG SLEEVE SHIRT, LONG PANTS, SEAT BELT
AND/OR SHOULDER HARNESS ARE REQUIRED AND MUST BE WORN THROUGHOUT
THE ENTIRE EVENT.****
A drivers meeting will be called before the Demolition
Derby begins. All Drivers and Pit Crew must attend this meeting. (IF
YOU’RE IN THE PITS YOU NEED TO ATTEND)
NO PETS ARE ALLOWED IN THE PIT AREA.
**** NEW FULL SIZE 1 st PLACE PURSE OF $800.00****
Questions? Call Larry @ 608-574-2765
PLEASE NO CALLS AFTER 9PM