2011-2012 TRACK RULES AND REGULATIONS
STOCK CLIP SPORTSMAN
(NEW WEIGHT RULE EFFECTIVE IMMEDIATLY)
SPORTSMAN ENGINE 2450
JIG CAR 602
JIG CAR 604 2550
JIG SPORTSMAN ENGINE 2600
NEW 2012 PROTEST RULE-IF A DRIVER IS PROTESTED THAT DRIVER HAS THE RIGHT
TO BACK PROTEST IN ANY CLASS OF RACING AT C.M.S. PER MR.JOHNSON.
RULE BOOK DISCLAIMER:
The rules and/or regulations
set forth herein are designated to provide for the orderly conduct of racing events (or other events) at the Cochran Motor
Speedway, (CMS), and to establish minimum acceptable requirements for such events. These rules shall govern the condition
of all events, and by participating in these events, all participants are deemed to have agreed to comply with these rules.
No express or implied warranty of safety shall result from publication or compliance with these
rules and/or regulations. They are intended as a guide for the conduct of the sport and are in no way a guarantee against
injury or death to a participant, spectator, or official.
The Race Director shall be empowered to permit minor deviation from any of the specifications
herein or impose any further restrictions that in his or her opinion do not alter the minimum acceptable requirements. No
expressed or implied warranty of safety shall result from such alteration of specifications. Any interpretation or deviation
of these rules is left to the decision of the officials of CMS. Their decision is final.
Approval of a car by CMS inspection shall
only mean that the inspected car is approved for participation in a race event, and shall not be construed in any way to mean
the inspected car by CMS is guaranteed mechanically sound. CMS and staff shall not be liable for any mechanical failure not
for any losses, injury, or death resulting from same.
EACH RACING TEAM MUST HAVE ONE 10LB
EXTINGUISHER IN THEIR PIT AREA!
SPIRIT AND INTENT:
The rules and regulations contained herein are the
standards by which racing events at the CMS will be guided. Officials at these events are authorized to decide of a variation
or design is an attempt to beat the rules or alter the effectiveness of the rules. The officials can and will disqualify an
entry for such actions. Track officials shall reserve the right to initiate action to correct a hazardous situation or condition
not in compliance with the spirit and intent of these rules and regulations.
All cars and support equipment must be maintained throughout the year
in a pleasing and professional manner in appearance and mechanical condition. Track officials reserve the right to request
and demand updates and changes to any racing vehicle and support equipment. Failure to comply with the spirit and intent of
these rules and regulations may result in suspension, disqualifications, expulsion, and/or fines to be designated by track
officials or as may be set forth in these rules.
GENERAL RULES TO APPLY TO
ALL RACING CLASSES:
Any part, equipment, or alteration thereof not specifically
covered in these rules must be stock and/or approved by CMS in writing
AND DRIVER REGISTRATION AND APPEARANCE:
A) Numbers must be at least eighteen (18) inches high and two and one half (2 1/2) inches wide,
clearly visible and identifiable on both sides of the car. All cars must have a number on the roof at least twenty four (24)
inches high and two and one half (2 1/2) inches wide. All cars must have numbers at least four (4) inches high on all of the
- The nosepiece
in the approximate location of the right headlight.
- The rear of the fuel cell. (At least size (6) inches high on Sportsman & Late Model cars.)
B) The numbers must be in a color
that presents a high contrast with the color of the car upon which it is displayed. This rule is for the
benefit of the competitors who desire to be scored correctly. In the event of more than one car with the same number, a team
may be asked to alter their number in some way to avoid any confusion in scoring or other racetrack operations. Letters and/or
Roman numerals are not to be used in lieu of Arabic or standard numbers.
Registration and Requirements: No driver can compete without registering name, Social Security number, address, and telephone
number with track officials. Drivers under eighteen (18) years of age must provide a minor release signed by a parent or legal
guardian. By submitting their registration and/or taking part in any action at the CMS, the competitor further agrees to abide
by all track rules and regulations and the decisions made by track officials. The competitor further agrees that the racing
area is in a safe, faceable and usable condition and assumes full responsibility for any and all injuries sustained, including
death and property damage, any time they are on property of the CMS or in route to or from such property.
Cars must be painted and maintained in the best possible appearance. Anything on the race car can be required to be removed
if deemed to be offensive by track officials.
FUEL AND FUEL SYSTEMS:
Gas only. Racing gas is allowed.
B) No alcohol, nitrous oxide, or any other additives will be
C) No electric fuel pumps will be allowed. Only mechanical fuel pumps in the stock location will be permitted.
D) A fuel cell in a metal container securely mounted in the car no lower than the lowest part of the rear
end is mandatory. The fuel cell must be strapped in the car by at least two (2) metal straps of two (2) inches by one eight
(1/8) inch. The fuel cell must be installed so in the event of the race car is rolling over, the vent will be closed and the
cap will remain closed to prevent fuel spills and fire danger.
E) Fuel lines cannot run through the driver's
compartment unless they are enclosed in metal tubing.
MISCELLANEOUS SAFETY ITEMS:
A) Battery must
be securely mounted and shielded. No weight is allowed inside the driver's compartment.
loops must be securely installed on the front and rear of each race car.
C) Drive Shaft must be painted
white and a loop around mounted to car body twelve (12) inches from the rear of the transmission.
Fire Extinguishers: A two (2) pound dry chemical fire extinguisher, U.L. approved, adequately mounted and easily accessible
to the driver.
E) Roll Bars: Padding of all roll bars within thirty-six (36) inches of the
driver is recommended. A minimum clearance of three (3) inches must be maintained between the top of the diver's helmet
and the lowest part of the top bar of the roll cage.
F) Roll Cage Construction: A full roll cage constructed of a minimum of one and one half inches (1 1/2) round
tubing or black pipe with the .083 wall thickness is required. There must be four (4) bars on the driver's side and three
(3) bars on the passenger side. The roll cage must pass track inspection. Any roll cage made from tubing that is not mandrel
bent (such as heating and bending) must have metal gussets welded in all bends and joints. This is an extremely important
safety factor and should be used in all cars regardless of method used to form roll cage. Welds on any part of the car must
meet track approval for safety reasons. Welding together of
broken steering parts is not allowed.
G) Lug Nuts and Wheel Studs: All classes are encouraged
to use at least one half (1/2) inch steel studs. At least five (5) studs and lug nuts must be used.
Seat Belts and Seats: Racing seats and seatbelts are required in all classes. Lap belts should be at least three (3)
inch quick release types with a two (2) inch wide shoulder and crotch harness. Seats and belts must be securely mounted to
the roll cage. Metal seats are required in all classes. Belts must be securely fastened until the car returns to the pits,
unless the car is involved in an accident, and then must not be removed until track safety personnel reaches the car.
I) Window Nets: Full nets are required in all classes and must be fastened in place before moving car
into the pits, unless the car is involved in an accident and safety personnel reach the car.
Suits and Helmets: Required in all classes. The fire suit must be a fire resistant SFI certified material, and it is recommended
that it is accompanied by fire resistant hook, gloves, and shoes. Regular "coveralls" and worn-out fire suits and/or
those with accumulated grease and oil soaked into them is not sufficient for driver protection. Track officials can and will
require replacement of such items before a driver can participate in any type of event.
are not to get out of their car on the race track in the event of an accident, until track safety personnel reaches the car
and authorizes it, unless the car is on fire. Getting out of the car after an accident or during an event to work on the car,
to argue with track officials, or for any other reason can result in disqualification and/or suspension.
Track officials will only pull off lose debris off your car. Other than this, track officials will not work on your car on
the track. If the car needs attention, the driver should go to the pit area so the pit crew can take care of the car.
M) Pit Area Speeds: Minimum speed must be maintained when driving in the pit area. (Speeding Fines will
be given by Track Officials as deemed necessary.)
Columns: Collapsible steering columns or padded steering wheel centers are recommended.
O) Nerf Bars: can be permitted to run a nerf bar on each side of
the car. They must be mounted flush with the side of the body and made a maximum of one (1) inch by one (1) inch square tubing.
The bar must be mounted at a level with center of the front hub beginning at or near the back of the front wheel well and
extending to or near the front of the rear well at the same level as the center of the hub. The bar can begin again at the
rear of the rear quarter panel, ending at the same level. The ends of the bars must be capped and/or curved inward and they
must be constructed and mounted in such a fashion as that no rough edges or bolts protrude that may damage another car.
The nerf bars may be mounted so they can be removable. Construction and mounting of the nerf bars is subject to track approval.
The nerf bars will not be included in the measurement of the width of the car.
P) Window Bars: At least
four (4) steel bars, a minimum of five sixteenths (5/16) inch in diameter, must be mounted vertically, no more than four (4)
inches apart in the same area is recommended.
Q) Brakes are required on all four (4) wheels of race car and they
must work properly.
R) Lubricants to be discarded must be dumped into proper receptacles placed in the pit area.
Any driver suspected of being physically or mentally unfit or impaired so
as to safely participate in any event may be barred from participation until fitness is apparent or or attested to
by proper medical personnel.
A) Track officials reserve the right to fine, ban, or suspend any driver, other competitor, pit
crew member or any other person on the property of the Cochran Motor Speedway or take other action as it may be deemed appropriate
by track officials if that person engages in unsportsmanlike conduct and/or conduct detrimental to the sport of auto racing.
This includes profanity in front of or directed to race fans, officials, and other competitors.
B) Drivers are responsible for the conduct of their
pit crews, family members, and any other persons associated with their car. Drivers are not to stop their car on the track
to argue with the track officials nor is anyone else allowed to engage in any disorderly, argumentative conduct toward track
officials or other competitors during any event. Such conduct may result in disqualification or other actions. All such persons
should remain in their pit area and NOT go to the racing area or the pits to engage in any type of unruly conduct. Any fines
imposed by track officials against such persons must be paid before the driver can compete again and at the discretion of
the track officials are deducted from any winnings. Such fines will be added to the drivers' points fund. The penalty
for fighting, causing a fish is a minimum possible suspension. Penalty for encouraging other to fight can include fine, suspension,
and jail. If WEAPONS OF ANY KIND are used by anyone, they will go to jail in addition to the fines.
Inappropriate conduct may lead to arrest by law enforcement agents and prosecution for criminal violations.
No persons engaging in racing events in any capacity shall make any claim for damages, expensive, or otherwise against
Cochran Motor Speedway or its officials.
E) Only tow vehicles and safety vehicles will be allowed
in the pit area during racing events.
F) Pit Passes: No person under fourteen (14) years of age can
enter the pit area during events, unless a signed and notarized "Minor Release and waiver of liability and indemnity
agreement" form is on file with Cochran Motor Speedway officials. A current pit pass in whatever form deemed acceptable
and displayed as ordered by track officials is required.
G) Injuries received at the track must be reported
to track management before completion of the event. Information Report must be completed and signed by injured person.
H) No driver is to allow anyone to ride on or in his car except at the discretion of track officials.
I) Decisions of track officials on interpretation of rules, scoring, flagging, technical inspection, or race
procedures will be final.
J) When the race begins, the flagman is in control of the race. CMS decisions
are final. The drivers are responsible for becoming familiar with the flag rules.
K) Drivers must be
ready for their scheduled events. If not in line to enter the track in their designated place by white flag, they must go
to the rear of the field.
L) Time Trials: If time trials are held, the cars must be lined up
in the staging area. If the staging area becomes empty, time trials are over. Cars not in lines promptly will only have one
(1) lap timed.
M) Entry to the track racing area by race cars having gone to the pits for whatever
reasons is to be strictly governed by track officials. Competitors may not be allowed to reenter the race and the driver must
stop at the entrance to the racing surface to await a signal by the designated track official before proceeding onto the track.
N) Any car deliberately stopping a race by any method will be scored a lap down.
First three (3) cars or others as deemed necessary by track officials in a feature event or other event designated by track
officials must proceed to the scale shack area in the order that they finish the race to await technical inspection by track
officials. Drivers ignoring this rule and proceeding to their pit area and/or loading up their car may be disqualified and
not paid winnings due to them.
P) Drivers failing to disassemble their cars for technical inspection
in a timely manner (as ruled by track officials) will be disqualified.
Q) Driver Changes: NO DRIVER CHANGE CAN BE MADE DURING AN EVENT WITHOUT PRIOR APPROVAL OF TRACK OFFICIALS.
R) Glass Containers: No glass beverage bottles or other glass
containers can be brought onto the grounds of the Cochran motor Speedway. Drivers are subject to fine or suspension if any
glass containers are found in the pit area.
S) Driver is responsible for keeping pit crew, friends,
and family away from their car, inspection area, and scales until inspection is complete on all cars held for inspection.
T) All cars will help pack or dry track or be penalized during qualifying.
A) Flagman: Watch for the flagman. His decisions on flagging are final. they
are intended for the protection and safety of the competitors, the fans, and the orderly progression of the racing events.
B) Red Flag: DANGER! Stop as quickly as possible. Do not pass the flagman or other cars.
C) Green Flag: Displayed to start or restart the race.
D) Yellow Flag:
CAUTION! Slow the race car to the slowest possible speed. Do not pass other cars. Do not race back to the flag stand. Lapped
cars will maintain their position back on the track. Scoring reverts to the last green flag lap.
Blue Flat With Yellow Stripe: Passing flat. Cars being lapped must move to the inside of the track.
Black Flag: Any car receiving the black flag must go to the pits for consultation with track officials. Failure to
obey the black flag will result in disqualification or other action. If black-flagged for disciplinary problems, the driver
does not get any points or pay for the event.
G) White Flag: Designates the last lap of the
H) Checkered Flag: Designates the end of the race.
I) Pace Car
or Truck: If either is used, do not pass the pace car vehicle on track.
J) Pole Position:
The race car that earned this #1 starting position will follow the Pace Car to set the pace of the start. The front two racecars
will keep this pace set by the pace Car and "NOT FIRE UNTIL THE WHITE LINE JUST BEFORE THE FLAG STAND!" The front
two racecars will only have one (1) chance on the fire. They must keep a tight, steady pace and hold their line. If any drivers
tries to jump a start, he will be placed on the rear of the field. If the #2 starting position has not made a clear pass on
the pole position by turn one (1), then he will need to hold his line on the outside groove. This also goes for the pole position
when entering turn one (1).
PROTESTS AND INSPECTION:
A) Track technical inspectors are
in charge of technical and safety inspections and procedures pertaining thereto. Their decisions are final.
Protest shall not be official unless filed in writing to the track officials no more than ten minutes after completion
of the feature event for that racing class. The proper cash bond must accompany it. Only the cars finishing in the top three
(3) positions will be allowed to protest. They may protest any car finishing in front of them. Back protesters will not be
allowed. If the protests are withdrawn, the track retains 50% of the protest fees.
C) Any car involved
in a protest will be impounded in an area designed by track officials and it must remain there until inspection is complete.
D) Protest for visual violations requires no fees and must be filed in writing at least thirty (30)
minutes before the start of the race. "Visual" refers to anything outwardly visible whether under the hood or not.
E) Any parts suspected of being illegal will be confiscated.
F) If found illegal, the
protested driver will forfeit all money and points won at that event. If the driver refuses to tear down, he will be fined
fifty dollars ($50.00). Drivers refusing to tear down will be considered the same as being illegal. If the same car is found
illegal twice, all season points accumulated up to that time will be forfeited.
G) If in the process of
an inspection, the officials see a non-protested item deemed to be an intentional attempt at circumventing the rules and regulations,
the inspections will cease and the car will be declared illegal.
H) Only the following people can be
present at a protest or track initiated inspections: track officials, two (2) people from the protest team, and one (1) representative
from the protesting team. Drivers are responsible for their crews at protest or inspections. Any misconduct or use of alcoholic
beverages during protests or inspections will not be tolerated.
I) Track officials reserve the right
to require any part of any race car to be disassembled at any time for inspection. In such cases, only track officials and
two (2) people from the car to be inspected may be present.
J) In the event of a protest or track
initiated inspection, the payoff of the event winnings may be held up until results are finalized. They may be mailed on the
next workday or at the discretion of track officials.
not specified in the rules must be stock. All equipment must be in original position from original manufacturer.
- American made 2 or 4 door sedan or station wagon
with a minimum wheelbase of one hundred ten (110) inches. May run metric Monte-Carlo, Cutlass Supreme & Gran Prix. May
run after market nose piece to match car.
GT cars (Camaro, Firebird, Mustang).
must be for model of car used. Year may be interchanged. Strictly Stock! No header, no dome or popup pistons. .060 overbone
permitted. Stock pistons only. No forge may run hypoeutectic replacement pistons (stock type). Carburetors - no modification
except removal of choke plate. No clutch fans. No choke plate. Exhaust pipes no longer than 24 inches from exhaust manifold.
All mufflers and tailpipes must be removed.
A) Ram horn manifold O.K.
Curve kit allowed.
C) Cam lift: .390/.410
Ford 351-W and 351-C: .420/.450
Big block: .487/.487 + .010 - .010
D) Valve spring tension:
GM small block: 90
Big block: 110 lbs.
351-W: 95 lbs.
351-C and big block: 105 lbs.
cups are O.K.
F) Holley 600 C.F.M may remove choke plate from Holly or Quad-Jet only, no modification,
use one carburetor spacer (1" maximum) and two gaskets (maximum one 0.070 inch thick and one 0.250), one gasket between
intake spacer and one gasket between spacer to carburetor. May install rear metering plate only.
Stock type retainers only.
H) Eagle Crank and Rods O.K. - 48# crank.
I) Screw-in Rocker
J) Guide Plates O.K.
K) Polly Locks O.K.
GM small block: 70 cc
Big block: 101 cc
Ford 351-W: 65 cc
Ford 351-C: 70 cc
block: 90 cc
M) Maximum valve sizes:
GM small block: 1.94/1.50
Big block: 2.070/1.88
Ford 351-W: 1.84/1.54
Ford 351-C: 2.198/1.715
Stock diameter for engine.
N) Cast Iron Water
O) Racing pan O.K.
P) Aluminum pulleys O.K.
Flywheel 20 lbs. (minimum)
R) Pressure Plate 16# & Clutch (minimum)
- Transmission must be stock. Must have all working gears.
- Stock rear-end for year, make, and model of car only. No positive, No lock.
- Stock suspension for make of car. No modifications
of any kind. (heating, cutting, spacers, stock sway bar hook up, etc.) This means none. May set camber and caster.
- All doors must be welded shut; all glass and
materials that would burn MUST BE REMOVED.
- Racing seats only. Seats must be bolted with a minimum of six 3/8 inch bolts to bars that are welded to roll cage.
Must have 3-point quick release type racing seat belt and shoulder harness, 3 inches wide. Must be bolted to roll cage with
minimum 3/8 inch bolt.
- Minimum 4-point
roll cage required and must be welded to frame rails and all connections must be fully welded. All cages must be a minimum
of 3 horizontal bars and are required in the driver's door and a minimum of 2 in the passenger door. Roll bar installation
and workmanship must be approved. Loop bars inside car O.K.
- Stock unaltered floor pan, firewall, trunk, and trunk floor must be retained. No hulling permitted except
front door of the cage and may hull hood. Dashboard may be replaced with sheet metal. All holes in floorboard and firewall
must be covered with sheet metal. Complete bumper-to-bumper unibody must be retained. Unibody may not be tied together. Must
have stock bumper. No bump bars of any kind. May have radiator protection bar, cannot extend past front bumper. Front fender
wells may be removed. May box interior.
wheels maximum 8 inches wide. Oversized 1-inch lug nuts required. Tire maximum width 8 3/4 inches. Beat locks O.K. may run
Hoosier RC-4 or RC-6 Right Front only.
tank may be removed inside of trunk. Fuel cell highly recommended. May cut hole to mount fuel cell.
- Battery must be located under hood or completely enclosed and securely mounted
in driver's compartment.
and complete fire suit must be worn anytime car is on track. Gloves recommended.
- Racing steering wheel with quick release permitted.
a) 350 ci or less: 3500 lb
b) 400 ci or more: 3500 lbs
& C PAWN CITY CADET:
1. CAR AND BODY:
- A) May have after-market nose for year and make of car.
B) Any 1960 or newer sedan with a minimum stock factory
wheelbase of 108 inches.
C) Roll cage may have 2 bars to front and rear with braces.
Complete bumper to bumper steel unibody must be retained. Tying together unibody is O.K.
E) The stock
steel unaltered floor pplan, firewalls, trunk floor must be retained. Hulling permitted on hood, roof, trunk, and doors for
roll cage and rear wheel may be hulled.
F) Must have stock type bumpers.
G) May have
push bar, but not to extend past front or rear bumper.
H) Rear shackles O.K.
Fiberglass hood O.K.
J) Metric cars may drill trailing arm to set pinion. May run aftermarket trailing
arms & brackets.
(2a) CMS ENGINE:
A) The engine must be in its original mounts.
B) No forged
replacement pistons. Hypoeutectic O.K., Keith Black's O.K. Flat tops O.K. 4 eyebrow.
C) Max. Valve
GM small block: .400/.425
Big block: .460/.460
Ford 351-W and Ford 351-C: .420/.450
Degreeing cam O.K. No 4-7 swap +.010 -.010
Poly locks O.K.
E) Piston deck height .020 minimum.
F) Minimum cc's:
GM small block: 70 cc
Big block: 101 cc
Ford 351-W: 65 cc
Ford 351-C: 70 cc
big block: 90
G) May run true roller timing gear and chain.
H) 350 Chevy - may balance everything.
I) Zero valve lash. Any hyd. lifters.
J) Valley pan O.K. Deflector O.K. - Rocker
Arm Deflector O.K.
K) For (A-J) any stock-type replacement parts O.K. except rods and cranks.
L) Cylinder heads, intake runners 165 cc, exhaust 65. May run RHS Cyl. Head #12400 (Chamber) 72 cc minimum.
Intake runner 170 cc maximum.
M) No big blocks.
N) Screw in studs O.K. guide
O) Racing oil pan and valve covers O.K.
P) Headers O.K.
400 small block add 300 lbs. dish top pistons only (.125 recess) cyl. Heads 700 cc minimum.
stem stainless steel valves O.K. Stock diameter.
S) May run multi-angle valve job.
Valves: no titanium valve allowed.
Maximum Valve sizes are:
GM small block: 1.94/1.50
Big block: 2.070/1.88
Ford 351-W: 1.84/1.54
Ford 351-C: 2.198/1.715
Big block: 2.08/1.66
Stock diameter for engine. No hollow stem volume.
U) Any stock stroke crankshaft cast or forged steel, no knife edge. 48 lbs minimum
type rods may float for pins. Stock length. Eagle I beam O.K.
W) Eagle crank O.K. 48 lbs minimum.
X) Rev. Limiter O.K.
Y) L2256 TRW no light weight.
run stud girdle. Stock type rocker arms only: Chevy 1.5 ratio.
A) Any quad-jet carburetor permitted.
Dual line single pump 600 CFM.
B) Can remove choke butterfly.
C) May use one
carburetor spacer (1" maximum) and two standard paper gaskets (maximum one 0.070 inch and one .250 thick only), one gasket
between intake to spacer and one gasket between spacer to carburetor.
D) 3310 Bowls O.K.
GM PART #88958602 ENGINE:
- These engines are sealed at the intake manifold, cylinder head, front cover, and poil pan with special twist off bolt
heads. Crate engines must not be altered, modified, or changed from factory specs.
- The penalty for anyone tampering with or, modifying any internal engine parts,
changing the parts from stock as delivered sealed from the factory will be subjected to expulsion from any racing event for
the remainder of the season. This can also be reason for fine or suspension from the track
- No changes are allowed to the engine, intake manifold, heads, valve covers,
front cover, oil pan, harmonic balancer, or any other parts on/in engine.
- No vacuum pumps.
- All crate engines must remain stock as they came sealed from the factory. Crate engines must not be altered modified,
or changed from factory specs.
CARBURETOR RULE FOR
SEALED ENGINES ONLY:
- One four barrel
carburetor only of any manufacturer.
must be naturally aspirated.
- May use
one carburetor spacer (1" maximum) and two standard paper gaskets (maximum 0.070 inch thick), one gasket between intake
to spacer, and one gasket between spacer to carburetor.
3. TRANSMISSIONS AND REAR ENDS:
A) 9" Ford with drum brakes or disc.
B) Factory okay.
C) Must have an operating torque converter.
No aluminum brake parts.
E) Dual Master Cylinder-adjuster O.K.
CLUTCH AND PRESSURE PLATE:
stock-type 16 lbs, Minimum.
B) No aluminum parts.
A) Nodular iron flywheel O.K. 14 lbs, Minimum.
Minimum 10 inch flywheel only.
A) Baby Hoosier RC 4, 5, 6, & American Racer-Med. & Hard
B) Racing Springs
and shocks O.K. in stock position.
C) Stock lower control arms, spindles, and etc.
May run multi leaf springs.
F) May move top A-frame towers.
G) Bead locks O.K.
H) Upper control arm aftermarket O.K.
I) May run screw buckets.
A) CMS Engine - 3300 lbs.
B) Camaro - Add 100
C) 400 small block - Add 300 lbs.
D) Crate #602 - Camaro 3600 lbs.
E) No 400 in Camaro.
LAST-AIR HEATING & AIR PURE STOCK:
1. CAR AND BODY:
A) Any 1960 or newer sedan with a minimum stock factory wheelbase. Stock
for make and model is eligible. Wheelbase to match front sub.
B) After-market body must add 150 lbs.
Any altered Firewall add 50 lbs. at Bell Housing placement.
C) Hulling O.K.
Stock steel unaltered floor pan, front firewall. May box in driver's compartment. Floor pan to extend behind driver's
E) May run after-market nose piece, Hood must be kept in place at all times. No lips or fins.
F) Fuel cell must be mounted from side to side.
G) Tying of frames together O.K. May
run bars under rear end. May attach roll cage to front by using brace bars anywhere.
H) Stock bodies
- any spoiler.
I) Aftermarket bodies - 6" spoiler.
A) May use 2x3 tubing to attach rear bumper.
May move towers on upper control arms - tubular O.K. Lower must remain stock.
C) Except for shocks
and springs, suspension parts must remain stock for that make and model of car. No air shocks. May run any type mount racing
shock and any spring, or rod in shocks. Springs must be multi-leaf. Shock mounts may be moved outside.
May run adjustable screw buckets. Rear shackles and lowering blocks. May run adjustable lowering blocks. Leaf spring mounts
must be in stock location.
E) Coil spring cars may have jack bolts in rear. Stock attach points may
be modified or manufactured.
F) Rear sliders O.K. at rear of spring.
3. TIRES AND WHEEL:
A) Racing tires O.K. - Hoosier RC 4, 5, 5, 6 - American Race medium Hard
B) No recaps.
C) 10" steel wheel
4. TRANSMISSIONS AND REAR-ENDS:
A) No wide five hubs.
B) 9 inch floaters O.K.
C) Aluminum drive shaft O.K.
D) Must have an operating torque converter.
aluminum parts on rear-end.
F) Must have forward and reverse.
5. CLUTCH AND PRESSURE PLATE:
A) Must run stock-type replacement. Weight 16 lbs.
No aluminum parts.
A) Ten inch minimum. No aluminum parts.
B) Nodular iron flywheel O.K. - Weight 14 lbs.
7a. CMS ENGINE:
A) The engine must be in its original type mounts. May
use after-market; stock-type replacement parts, - solid mounts O.K. Motor set back 16 inches from steering box.
Hydraulic cam only. Zero valve lash. No firing order swap. Anti pump lifters O.K.
C) Pistons, any flat
D) Big blocks add 300 lbs.
E) 400 small block dish pistons add 100 lbs.
- .125 dish 400 ci.
F) 1.94 + 005-1.50+005 stock valves only. Stainless steel valves 3-angle valve job O.K.
Angel-Mill heads O.K., retainers, steel only. Straight stem valves. Stock diameter for engine. No hollow stem valves.
G) Stock stroke. May run Eagle cast crank rotating assembly or any part of. Part #103503480. Any other cast
or forge steel, crankshaft 48 lbs. minimum. No knife edging.
H) No deck height rule.
Stock cast iron intake, no high rise.
J) Headers O.K.
K) No. 492 or vortex
L) World Product Head #4361. Intake 1.94 and Exhaust 1.50. New head rule-racing head service
#12402-66 cc minimum. Intake runner 170 minimum.
M) HEI, MSD, O.K. - No Box.
Roller tipi rocker arms O.K. 1.5 ratio.
O) Intake runners 165 cc. Exhaust runner 65 cc.
May run floating wrist pins.
Q) Fluid balancer or any stock type balancer O.K.
May run 3/8 screw-in studs & guide plates.
S) Dodge head valve size: Intake 2.02, Exhaust 1.60
T) Stud girdles O.K.
U) Rev limiter O.K.
V) Aluminum water pump
A) May run carburetor for make and model of car.
Holly 750 single pump-dual line.
C) May use one carburetor spacer (1" Maximum) and two standard paper
gaskets (Maximum 0.070 inch thick), one gasket between intake to spacer and one gasket between spacer to carburetor.
D) No porting or polishing allowed.
E) Intake in Pure Stock.
Chevy - 2276014
Chevy - 7101
Ford - 226036
Ford - 7181
Dodge - 226044
Dodge - 7176
(7b) GM PART #88958602 ENGINE RULES:
- These engines are sealed at the intake manifold, cylinder head, front cover,
and oil pan with a special twist off bolt heads. Crate engines must not be altered, modified, or changed from factory specs.
- The penalty for anyone tampering with or
modifying any internal engine parts, changing the parts from stock as delivered sealed from the factory, will be suspect to
expulsion from any racing event for the remainder of the season. This can also be reason for a fine or suspension from the
- No changes are allowed to the
engine, intake manifold, heads, valve covers, front cover, oil pan, harmonic balancer or any other part/parts on/in the engine.
- No vacuum pumps.
- All crate engines must remain stock as they came sealed from the factory. Crate
engines must not be altered, modified, or changed from the factory specs.
CARBURETOR RULE FOR SEALED ENGINES ONLY:
a) One four-barrel carburetor only of any manufacturer.
ENGINE MUST BE NATURALLY ASPIRATED.
c) May use one carburetor
spacer (1" maximum) and two standard paper gaskets (maximum 0.070 inch thick), one gasket between intake to spacer and
one gasket between spacer to carburetor.
A. CMS Engine -
B) Crate motor part number P/N 88958602 - 300 lbs.
market bodies - add 150 lbs.
GRAPHICS & APPAREL SPORTSMAN:
1. CAR AND BODY:
A) All bodies must meet UDTRA body rules
as outlined in the diagram.
B) May be made of steel, aluminum or fiberglass.
Any 1965 or newer sedan with a minimum 103" wheel base (plus or minus 1")
D) May run bars
under rear end. No part of suspension may be attached to these bars.
E) The rear deck of car be 72"
across and the top can be made of aluminum.
F) May run 8" rear spoiler.
Windshield screen or bars permitted.
H) No fins or raised lips of any kind permitted.
No bump bars of any kind.
A) Wide 5 hubs on stock rear clip cars
3. FRONT SUSPENSION:
A) Must use stock lower control arms. No shortening or lengthening.
Stock mounting points.
B) Tubular upper A-arms and spindles permitted.
C) Screw jacks
D) Must use stock OEM steering box.
E) No rack and pinion steering.
F) Sway bar permitted.
G) Must use coil springs minimum 5". No coil covers.
Any shock permitted.
I) Stock front clip.
4. REAR SUSPENSION:
A) Rear end must be mounted in centerline
of chassis. 1" tolerance.
B) Leaf springs and coil springs permitted. May run combination leafs and
coils. Minimum coil spring diameter 2 1/2". Coil may be mounted on shock.
C) One traction device permitted
must be mounted top center of rear. Must be attached to both ends. 24" maximum. One 90-10 shock permitted.
Reese bar permitted. No other lift bars of any kind.
A) Any factory stock OEM.
B) May run floater or quick change.
May run locked rear-ends.
A) Any factory stock steering box.
B) May run power steering.
C) No rack and pinion.
A) Hoosier Track Tire and American Racer Track Tire
A) Must have forward and reverse.
Any automatic transmission O.K.
C) Bert or Brinn O.K.
A) Any operating clutch. Must mount in stock location.
A) Any 10" wide steel wheel including wide 5
B) 12" Aluminum wheels O.K.
C) Beadlock O.K. - 14" Right rear
11. ENGINE OPTION 1-492:
A) The #1
spark plug must be within 1" of the top ball joint. No tolerance.
B) Must be in center of car.
CRANK, RODS, INTAKE &
A) G.M. stroke 3,480+
/ - .005
B) Holley 750 CFM vacuum secondary -Dual line-
C) Aluminum intake O.K.
D) May run cast or forged steel 48 lbs. crank shaft, stock stroke.
E) Any steel
cast rod stock length.
F) I Beam & H Beams O.K.
GM iron heads - 492 head. You can run VORTEC 062 spec head. VORTEC BOWTIE HEADS.
B) Ford production iron heads.
C) Mopar production iron heads.
D) GM stock type or stainless valves (2.00/1.60 + / - .009)
Ford stock or stainless valves (351-W: 1.84/1.54) (351-C: 2.195/1.715); big block: 2.08/1.66.
F) Mopar stock type or stainless valves (313.1 340. 360. 1.94/1.6001)
G) Wold Product heads, #4266 S/R. The minimum will be 60cc. Valve size is 2.020"
H) #492 valve size is 2.02 x 1.60.
J) Stock stem diameter steel valves only, may be swirl polished.
K) Any stud mounted Rocker Arm.
**** SPECIAL NOTE: ****
No grinding of chambering to de-burr
intake runners at point where intake gasket fits. Maching edge may be broken or cleaned away
by scraping lightly with knife. No tolerance. Any non-manufacture changes to intake or exhaust runners such as painting,
etching, or attempts to improve flow will result in disqualification. No exception. Chamber may
be repaired by welding up crack and grinding down to normal height.
ENGINE OPTION 2: GM
PART #88958602 ENGINE RULES:
These engines are sealed at the intake manifold, cylinder head, front cover, and oil pan with special twist off bolt heads.
Crate engines must not be altered, modified, or changed from factory specs.
- The penalty for anyone tampering with or modifying any internal
engine parts, changing the parts from stock as delivered from the factory, will be subject to expulsion from the racing event
for the remainder of the season. This can also be a reason for a fine or suspension from the track.
- No changes are allowed to the engine, intake, manifold, heads, valve covers, front cover, oil
pan, harmonic balancer, or any other part/parts on/in engine.
- No vacuum pumps.
crate engines must remain stock as they came sealed from the factory. Crate engines must not be altered, modified, or changed
from the factory specs.
CARBURETOR RULE FOR SEALED ENGINES ONLY:
a) One four barrel carburetor only of any manufacturer.
ENGINE MUST BE NATURALLY ASPIRATED.
c) May use one carburetor spacer (1" maximum) and two standard
paper gaskets (maximum 0.070 inch thick), one gasket between intake to spacer and one gasket between spacer to carburetor.
A) Engine option 1: 492 Engine - 2550 lbs.
B) Engine option 2: Crate Engine #602 - 2550
C) Vortec - 2600 lbs. (.062 Etc. - old type)
D) Bowtie - Vortec 2650 lbs.
E) 602 motor with front jig snout - 2600 lbs.
7. SAFETY: A)
All cars must meet the safety requirements as outlined in the General Rules section of this book/page.