ROLL CAGES:
1. (A) Must consist of a continuous hoop not less than 1.5 inches
outside diameter, and must have a wall thickness of at least .095
inches.
(B) Must be frame mounted in at least six (6) places.
(C) Must consist of a configuration of front and rear hoops connected
by tubing on the sides, or side hoops. Drivers head must not protrude
above cage with helmet on and strapped in driver's seat. Roll cage
must be securely supported and braced.
(D) Low carbon, mild steel D.O.M. tubing is recommended. No brazing or
soldering allowed.
(E) Protection of feet is mandatory. Bar across back of engine with
vertical bars and rub rails, or similar protection.
(F) No brace bars forward of cage may be higher than stock hood
height.
(G) Chassis must have drive shaft hoop.
2. (A) Driver doors must be as parallel with the ground as possible,
and located perpendicular to the driver so as to provide maximum
protection for driver, but without causing undue difficulty in getting
into or out of vehicle. Door bars must be .095 inch thickness; must
have a minimum of (3) three bars at least 1 1/2 inch in diameter.
Driver door bars must be plated on the outside, with a minimum 1/8
inch steel or aluminum. Plate must cover the area from the top door
bar to the bottom door bar and from the rear down post to the front
down post. Steel is to be welded, aluminum is to be bolted with a
minimum of 3/8 inch diameter bolts. Plate must be visible for
inspection.
(B) The door bars must be welded to the front and rear of the roll
cage.
(C) No brazing or soldering allowed on any of the chassis/frame
components.
(D) Floor pans with a minimum of 20 gauge steel; or minimum 1/8 inch
thick aluminum plate may be used.
SAFETY EQUIPMENT
3. Helmets are required and must meet a minimum standard rating of
Snell SA2005 or SA2000. If no sticker is present Cannonball Speedway
must assume the helmet does not meet the required standards and will
not be allowed. Helmet must accompany vehicle at time of inspection.
4. SFI approved full fire suits of a flame retardant nature must be
worn by all competitors at all times. Fire suit must be in good
operable condition. Two-piece fire suits are allowed. Fire retardant
gloves, neck braces, and shoes are highly recommended.
5. Fire extinguishers are required. A minimum of
one (1) 2 lb properly mounted (not taped or clamped into car with no
means to readily remove it, if needed) "hand held" style
fire extinguisher will be acceptable. A fire suppression system is
still recommended, and these 2 extinguishers can be used in
conjunction with each other, if so desired.
6. Competition type seat belts required. Belts must be at least 3
inches in width. Lap belts, shoulder belts, and submarine belts are
required. No factory type seat belts may be used. Metal to metal
buckles required on shoulder and seat belts. All belts must be dated
no more than three (3) years old. If not dated, Cannonball Speedway
must assume the date has expired and they will not be allowed.
The ONLY recognized date will be the manufactured date as stamped on
the seat belt manufacturers tag. No sales receipt will be recognized.
Ex: If a car is inspected in May 2007, the seat belts can be dated no
earlier than May 2004. Driver will be given one (1) warning to get
belts replaced before the next race. The second warning, the belts
MUST be replaced before the car will be allowed to participate in any
further competition activities. 13. Window nets are highly
recommended.
TIRES
7. (A) Only tires which are recognized as
approved by Cannonball Speedway are allowed. ONLY Hoosier
15-8" HARD, American Racer 15-8" HARD, or Goodyear
15-8" HARD are permitted for the REAR tires only. Permitted
tires must pass durometer test rated by factory. Any
compound/manufacturer 15-8" tire is permitted for the front.
(B) No grooving or siping of tires allowed.
WHEELS / SPACERS
8. (A) Eight (8) inch steel wheels only. One (1) inch tolerance for
beadlocks.
(B) Bead locking devices allowed on the right
side wheels only.
(C) Mud plugs allowed on the right side wheels only. Any mud plug
other than foam must be securely mounted to the wheel.
FRAMES
9. (A) Factory production complete, full, 1950 or newer parallel
American passenger car frames only. Frames may be cut in rear only at
a point not further than 36", both sides, from center of rear end
housing. No front clips or tube type allowed.
(B) Frames may not be widened or narrowed and must be able to support
roll cage on both sides. Frame must be full and complete on both
sides. Front cross member may be notched for radiator clearance only.
Minimum frame height , and body height, must be four (4) inches from
the ground.
(C) No Jeep, Bronco, (etc.) or 4-wheel drive frames allowed. No sports
car frames allowed. No front wheel drive frames allowed.
(D) Minimum wheelbase is 108", both sides. NO TOLERANCE.
(E) Maximum overall tread width , front or rear, shall not exceed
78"; measured from outside of tread to outside of tread.
SUSPENSION / STEERING
10. (A) Front suspension and steering must be O.E.M. and be in stock
location, and must be replaceable by stock part from same type
suspension. Stock passenger car spindles only. No fabricated spindles.
Aftermarket tube type lower control arms may be used. Lower control
arms cannot be altered or moved, (exception: may weld shock mount on
lower control arm). May use steel bushings in lower control arms.
(B) Tube type upper control arms are allowed and can be moved. Cross
bar for upper control arm may be aluminum.
(C) No center steering. In cockpit steering may be modified to drivers
taste, but must remain on the left side of car.
(D) No rack and pinion steering. Steering box must be O.E.M. Steering
box must remain within original bolt pattern of frame used.
(E) O.E.M. Tie rod ends and adjustment sleeves may be replaced by a
minimum .625 inch (5/8") rod end (heim joint) and steel or
aluminum tube.
(F) Rear of frame may be altered to accept leaf or coil springs. Any
coil spring on car must be at least 4 1/2 inches outside diameter.
Coil springs must be steel. Leaf springs may be steel or composite
type. Lowering blocks, rear spring shackles, and rear end drive bars
may be steel or aluminum only. No torsion bars allowed in rear.
(G) No hydraulic, ratchet, or electric weight jacking devises allowed
anywhere in or on the car.
(H) One shock per wheel only ("Dummy"
shock absorbers are still considered to be a shock). Additional shocks
in other locations permissible. Aluminum shocks are allowed. No remote
reservoir shocks allowed.
(I) No aluminum, fiberglass, or composite suspension, steering, or
rear end parts allowed, except where noted in these rules. No aluminum
hubs allowed. Front hub & rotor assembly must be one piece steel
O.E.M.
(J) Coil over spring / shock units (or
combination thereof) allowed on rear suspension only (this includes
"lift bar").
No coil over spring / shock units allowed on front suspension.
(K) No covers on springs, shocks, etc. allowed. With the exception, of
a small bellows type shaft cover for a coil
over eliminator and / or pull / push bar assembly, for maintenance
purposes only. Shaft covers are subject to
Cannonball Speedway officials approval, and are subject to removal.
BRAKES
11. (A) Must have a working caliper and rotor on each wheel and must
lock up all four wheels.
(B) Steel O.E.M. brake calipers only. Steel vented brake rotors only;
may not be modified; ie… drilled full of holes, machined down, etc.
Rotors may be re-drilled for different bolt pattern and/or larger
studs.
REAR ENDS
12. (A) Any passenger car type, or truck type rear end may be used. Quick
change rear ends are allowed only if equipped with steel axle tubes.
(B) No aluminum components allowed except: axle caps, drive plate, and
wheel spacers.
DRIVE SHAFT
13. (A) Drive shaft must be steel and must be painted white.
(B) Drive shaft loop is required. It must be constructed of 1/4"
x 2" steel. Tubular loop may be used, must be made of a minimum
1" diameter tubing. Loops must be mounted no less than two (2)
inches and no more than six (6) inches from the rear of the front
universal joint of the drive shaft. (see illustration)
TRANSMISSION / BELL HOUSING / CLUTCH
14. (A) 3 speed, 4 speed manual, and automatic types are allowed.
Aftermarket racing transmissions are allowed as recognized by
Cannonball Speedway. No "IN and OUT" boxes. With motor
running and car in a still position, driver must be able to engage car
and move forward, then stop and engage car and move backwards. No type
of quick change transmissions
allowed.
(B) Transmissions must have at least one forward gear and one reverse
gear, plus a neutral position, and must be able to be shifted by the
driver. All race cars must join the line-up on demand, unaided or go
to the rear of that race.
(C) O.E.M. type transmissions, with stock type single disc in bell
housing, must be equipped with an explosion proof steel bell housing.
If an explosion proof type bell housing is not available for your
engine, or if you prefer, you may construct a shield of at least
1/2" x 6" steel covering the clutch area 180 degrees, and be
securely fastened.
KILL SWITCH / BATTERY
15. (A) A kill switch is required. Switch must be clearly marked and
located within easy reach of the driver, and safety crews must be able
to reach switch from standing outside the car.
(B) All cars must have a battery. Battery must be securely mounted.
Battery cannot be mounted inside drivers
compartment.
ENGINES
16. (A) Any American make may be used.
(B) Rear of engine, bell housing mounting flange surface, must be
mounted at least 72 inches forward from the center line of the rear
axle.
(C) Engine offset must be kept within 2 inches of the center line of
the front cross member.
(D) Minimum engine height is eleven (11) inches from the ground to the
front center of the crankshaft.
(E) All engines used in competition must be able to be used in a
conventional passenger car without alterations.
(F) Engine "cast-in" motor mount locations can not be
removed or altered. Castings and fittings must not be altered.
(G) No machine work may be done on the outside of engine, or on the
front or rear of the camshaft.
(H) No "dry sump" systems are allowed. "Wet"
system in engine must be operative.
(I) Engine cooling system may be modified.
(J) Engine block must be steel.
(K) Exhaust system must be mounted in such a way as to direct spent
gases away from the cockpit of vehicle, and away from areas of
possible fuel spillage.
(L) Battery type ignitions only. NO magnetos allowed. Maximum of one
(1) ignition system and / or multiple spark
discharge box allowed. An ignition system includes, but is not limited
to: multiple spark discharge box, coil,
battery, etc.
17. All vehicles must have the capability of starting without being
pushed or pulled.
ASPIRATION / FUEL SYSTEM
18. (A) One 2 barrel, or one 4 barrel carburetor only.
(B) Two (2) carburetor throttle return springs are required.
(C) Engine must be normally aspirated; no type of fuel injection
allowed.
(D) No electric fuel pumps or fuel systems of any type.
(E) Racing fuel cells are required and must be mounted by at least two
steel straps, no less than two (2) inches wide x 1/8" thick, all
the way around the cell. The use of 1"x 1" x .065 wall sq.
tubing is recommended to be used, and may be required in the future.
Using a minimum of two bars around the top, bottom, and sides of the
fuel cell. All fuel cells must be mounted securely to the frame. Fuel
cells must be enclosed completely in a steel container, mounted behind
rear axle only, and must also be protected in rear by roll cage tubing
mounted securely to the frame. * No part of fuel cell should be lower
than the protective tubing. Protective tubing should be no wider than
6 inches on both sides of fuel cell. Fuel cells must have check
valves, and bladders are highly recommended. Fuel cells are limited to
32 gallon maximum capacity. Fuel cells with fuel pickup located in the
top of cell ARE MANDATORY. Fuel cells with a bottom feed pickup are
not permitted. Retrofitting a bottom feed cell will be permissible,
but the bottom feed opening must be plugged. A cap on the exposed
bottom fitting will not be acceptable for plugging.
(F) Fuel may be either gasoline or alcohol. NO nitrous oxide. NO
additives of any kind.
TRACTION CONTROL
19.(A) Use of any type of "traction control" is absolutely
forbidden in any Cannonball Speedway sanctioned event. For purposes
of clarity, "traction control" shall refer to any device,
controlled by mechanical, electrical, and/or computer
controlled, either by in car, attached to car, or by a remote means.
No data gathering or recording devices.
No cockpit or driver controlled ignition timing or fuel delivery
devices.
(B) Cannonball Speedway officials may inspect any car they suspect
could be benefiting from the use of "traction control"
devices at any time. Driver/crew of car called to be inspected are
expected to cooperate (in a sportsman-like manner) with inspector/s;
and may be required to jack up car, remove wheels, panels/covers, and
install jack stands to make safe the inspection process. Failure to
cooperate with inspector/s will be considered an indictment of guilt
on the Cannonball Speedway competitors part, and competitor will be
found in violation of this rule. No exceptions. No follow up
inspection for this violation.
(C) Cannonball Speedway maintains the right to confiscate any part/s
they suspect as "traction control" from any car, at any
time, for as long as it would be necessary to determine if said part/s
is or is not classified as an illegal "traction control"
device. If device is found to be legal, device will be returned as
soon as practicable to owner. If part/s are found to be
"illegal", part/s are sacrificed to Cannonball Speedway.
(D) Cannonball Speedway competitor (driver) whose car
"illegal" part/s were found shall be found in violation of
Cannonball Speedway rules and will sacrifice any points accumulated to
date that season and shall not be eligible for any point fund and/or
contingency money/awards possibly due that season. In addition
Cannonball Speedway competitor (driver) shall not be eligible for
competition in any Cannonball Speedway event for twelve (12) calendar
months from the date of the ruling.
20. (E) This inspection is NOT included in the protest procedure. The
Cannonball Speedway is NOT required to post $100 to perform this
inspection on any Cannonball Speedway competitors car.
BUMPERS / NERF BARS
21. (A) Bumpers must be used on both the front and rear of car.
Bumpers and nerf bars must be steel.
(B) Front bumpers must be mounted to both frame horns. Front bumper
must be made of a min. 1 1/4”; max. 1 1/2” round or square tubing.
Front bumper is required to have two (2) loops, one upper and one
lower. (see illustration)
(C) Front bumper may be no wider than the frame horns, with a two (2)
inch tolerance only, to accommodate bumper
mounting bracket per side.
(D) Front bumpers must be outside of body and not covered in any way.
22. (A) Rear bumpers, side nerf bars, and bodies may not extend beyond
the width of the rear tires, and must not contain any sharp edges.
(see illustration). There shall be no rough edges on any bar or bumper
on the car.
(B) No straight rear bumpers allowed. The ends of the rear bumper must
be bent to form a 180 degree bend,
or be bent forward in a 90 degree bend. (see illustration)
(C) Rear bumpers must mount to rear of chassis. Rear bumpers may be
constructed of round or square tubing, and must protect fuel cell.
(Please note that the bars which are known as “fuel cell”
protectors are not considered part of the rear bumper. They are
however, required as fuel cell protection.)
23. (A) Both front and rear bumpers shall be eighteen (18) inches plus
or minus two (2) inches from the ground. This measurement is to the
“center” of the bumper. This means if your bumper is constructed
with it’s two bars, upper and
lower, twelve (12) inches apart, then the center or your bumper is six
(6) inches from either the top or bottom. This is where the
measurement is taken, at the “center” not the top or the bottom.
(see illustration)
(B) Bumpers must be flat across. Bumpers may not be made in any type
of pointed configuration. A bumper which is
badly damaged may be required to be repaired or replaced before car is
allowed to compete.
WEIGHTS / CAR WEIGHT
24. (A) Loose weights must not be used in drivers compartment, or
outside the body or hood area.
(B) Any added weights must be securely mounted to the frame or roll
cage with at least two (2) 1/2” bolts, nuts, and washers. Weights
must be painted white and have the car number on it.
(C) Car must weigh 2400 pounds with driver after every race. Car must
make weight at inspection to receive inspection points. Scales being
used will be the FINAL determination of weight for car and driver.
CAR NUMBERS
25. (A) Car numbers must appear on both sides of the car, on the door,
or quarter panel, a minimum of 18 inches tall and nine inches wide,
per number. Number must appear on the top of car a minimum of 24
inches tall and nine inches wide
per number. (See body illustrations.)
(B) The number must also appear on the nose and fuel cell of the car a
minimum of 6 inches tall. Numbers must be a contrasting color to the
car. (See body illustrations.)
(C) Drivers membership number must be affixed to the roof, top of
door, or drivers compartment. It must be visible from the drivers
window with the driver in the car. Number must be a minimum of one (1)
inch tall.
BODIES
26. (A) Hoods required to have four (4) hood pins.
(B) No type of “inner fender wells” will be allowed on car.
(C) Any type of sheet metal, or other material, which could be
construed by officials to be affecting the flow of air in,
through, or around the car, other than noted elsewhere in these rules,
will not be allowed.
(D) No mirrors allowed.
(E) No type of radio communications are allowed.
(F) All cars must have a top.
(G) Gremlin type tops may be used, but not in conjunction with a rear
spoiler. Spoilers may only be used with conventional style tops. The
determination of whether a car has a rear flip will be the decision of
the Cannonball Speedway official at that event.
(H) Rear spoilers are recommended to be made of transparent material.
(I) Rear roof height cannot exceed front roof
height by more than two (2) inches (no tolerance).
No odd shaped roofs allowed.
(J) The rear body panel is optional. If it is used it must meet all
other specifications, including size and installations.
(K) The interior of the car must be level with the top of the doors
from side to side.
(L) Debris deflector in front of driver is allowed, but may not extend
any farther back than the steering wheel.
(N) These written rules are in addition to the accompanying
diagrams, and are designed to clarify. Both written and drawn
specifications will be enforced. See diagrams for additional body
information. The diagrams are intended to
illustrate and convey the intent of the rules and measurements.
(O) The use of drapes and/or covers, at any time, are not allowed.
This includes, but is not limited to, drapes covering the rear of the
car, tires, firewall areas etc. Car covers to keep the interior dry,
during towing on open trailers, are not included in this rule. Once
any car is unloaded at any Cannonball Speedway sanctioned event any
and/or all covers must be removed and remain off during the duration
of the event.
WEIGH - IN PROCEDURES
27. (A) Car will not be required to be weighed at time of technical
inspection for a regular event. However, it is
permissible for weight check to be required at technical inspection at
special events.
(B) The scales which are used at any event will be considered the
events official scales. The reading of these scales will be used as
the official weight of the car for the event. (It is recommended that
all participants check the weight of their car to assure that the car
weighs 2,400 pounds according to the scales being used. Remember, the
reading of the scales being used is the official weight of the car.
(C) Minimum weight of two thousand four hundred (2400) pounds must be
maintained. Weight includes driver after
the race.
(D) Driver of car must be the person who weighs with the car. Official
will verify drivers identity. Should driver who drove car in race, not
bring the car to the scales, then that car is disqualified from that
race.
(E) The top five finishing cars, minimum, in each and every race must
be weighed after each race.
(F) CARS MUST GO DIRECTLY TO SCALES AFTER RACE AND GET IN LINE TO BE
WEIGHED. DO NOT GO TO YOUR PIT AND THEN BACK TO THE SCALES. DO NOT
STOP AT ANY OTHER PIT AND THEN GO TO THE SCALES. !!!GO DIRECTLY TO THE
SCALES!!!
(G) Cannonball Speedway officials have the right to require that a car
be cleaned before weighing, if in the officials opinion, that
excessive weight has been gained from mud accumulated from the track.
(H) Official operating the scales will communicate weight of the car
to the driver if requested.
(I) Cars which are disqualified from heat races for weight violations
of any kind will be put on the tail of a “C”-Main or “B”-Main.
If car count dictates that all cars are in the feature then
disqualified cars will start on the tail.
(J) Cars which are disqualified from the feature for weight violations
of any kind will forfeit their points for that race, and any prize
money for that race.
(K) Should a car not make weight:
1. The car will be removed from the scales and then put back on the
scales for re-weighing to verify the weight of the car.
2. Should the car still not make the required weight then that car
will be disqualified from that race and all cars finishing behind that
car will be moved up one position
(L) ANYONE CAUSING TROUBLE AT THE SCALES WILL CAUSE THAT PERSON TO BE
EJECTED. ANY DRIVER OR PIT CREW MEMBER THAT CAUSES TROUBLE AT THE
SCALES, WILL CAUSE THEIR CAR TO BE DISQUALIFIED FROM THE ENTIRE RACE
EVENT. FURTHER ACTION MAY ALSO BE TAKEN