Colorado Outlaw Racing Assoc.
STOCK CAR RULES
Revised -- December 2012. (New Rules are highlighted with bold/italicized print and yellow in color).
This driver/owner approved rules package will remain in place for the 2013 & 2014 race season (exception: needed safety rule adjustments).
The rules and/or regulations set forth herein are designed to provide for the orderly conduct of racing events 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 complied with these rules. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATIONS OF 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 El Paso County Speedway administration shall be empowered to permit reasonable and appropriate deviation from any of the specifications herein or impose any further restrictions that in their opinion does 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 discretion of the officials. Their decision is final.
SPORTSMANSHIP -- Racing is a very emotional sport. As such, good sportsmanship is the key element of any competitors racing program. This must include respect for all participants – drivers, owners, pit crews and officials. For our part we will make very effort with our rules regardless of whom or what is involved. We will treat all participants with respect and expect similar treatment in return. A racer’s pit area is his/her castle – therefore please stay out of other racer’s pit areas, especially after an incident where you have been involved with that racer. Drivers – remember that you are responsible for the actions of your crews. Any offending parties will be fined appropriately and disciplinary actions will be initiated as deemed necessary.
Stock Car Rules
For 2013, an
IMCA “Stock” division car will be legal to compete at El Paso County
Speedway. The driver must have all of the proper IMCA equipment and labels
required, and must present his/her valid IMCA license, before being allowed to
compete. Exception – all IMCA
“Stock” cars are required to utilize the Holley 4412 carburetor, but must
use IMCA approved intake manifold (no matter which engine used), and Schoenfeld
mufflers, stamped IMCA609. The competitor will NOT be receiving any IMCA points
Any stock car
that was registered at El Paso County Speedway before the 2012 season, will be
grand-fathered for specification rules, as long as the stock car meets posted
safety standards. Minimum age to compete in the stock division is 16 years old,
unless El Paso County Speedway Officials have “cleared” the competitor.
1. SAFETY EQUIPMENT: Rules
apply at all times car is on track. Snell-rated SA2005, SFI 31.1/2005 or newer
helmet required. "M" rated helmets are not allowed. Roll bar padding
required in driver compartment (Fire retardant recommended). SFI-approved full
fire suit required. 2 Layers of fire protection required. Fire retardant neck
brace, gloves and shoes required. Highly Recommended: Fire retardant head sock
and underwear; head and neck restraints; collapsible steering shaft. Driver-side
window net required, minimum 16"x20" ribbon or mesh style, and must be
mounted so latch is at top front of window. Minimum three inch wide five point
safety belt assembly required (Y-type shoulder harness not allowed), must be
mounted securely to roll cage, no more than three years old. Kill switch
required within easy reach of driver and must be clearly marked ‘OFF’ and
2. FRAME: Any American OEM full
body rear wheel drive passenger car, 1964 or newer, full frame or uni-body.
Minimum 107½” wheelbase, maximum one inch difference from side to side. Frame
must match body — GM to GM, Ford to Ford, Chrysler to Chrysler — AND
wheelbase to wheelbase. Exception is: 1980 or newer Ford uni-body may be
installed on Ford full frame, and shortened to minimum 107.5 inch wheelbase.
Rear of frame behind rear tires, from a point no further forward than one inch
behind factory seam, may be replaced in OEM location with two inch by three inch
steel tubing with .095 inch wall thickness. Factory seam must remain visible.
Uni-body must tie rear frame to front frame. Frame may be ‘X’ braced.
Camaros & Firebirds are allowed.
3. ROLL CAGE: Main cage must
consist of continuous hoops, minimum 1.75 inch O.D. tubing, with a minimum wall
thickness of .095 inch, low carbon or mild steel recommended. Four-post roll
cage required, front down bars and rear hoop must be welded to OEM frame.
Driver’s head must not protrude outside cage with helmet on. No offset cages.
Rear hoop must have “X” brace, consisting of one full horizontal and one
full diagonal bar, minimum 1.25 inch O.D. and .083 inch wall thickness. Front
down bars must be tied together, passenger side front down bars must be maximum
11 inches in from top of door. Must be minimum 40 inches between front and rear
down bars at top of door panel. Maximum 41 inches (48 inches for 1988-1996 GM bodies)
from top center of windshield to front edge of rear hoop; maximum 13 inches (20
inches for 1988-1996 GM bodies) to front edge of top halo. Top halo must be
minimum 40 inches across, outside to outside. Rear hoop may be maximum 12 inches
in from bottom of opera window. Minimum one cross bar in top halo. May have
maximum two horizontal bars, (in addition to bar tying front frame horns
together) for radiator protection; must be behind bumper, within confines of
body, no wider than stock frame horns. Required rear kickers (down bars) and
engine hoop must be minimum 1.25 inch OD tubing, with .083 inch wall thickness.
Fuel cell protection required, must be mounted frame rail to frame rail, no
higher than fuel cell, inside trunk area with maximum 1.75 inch OD tubing. All
bars must be inside body. Foot protection bar required.
4. DOOR BARS: All door bars and
uprights must be minimum 1.75 inch O.D. and .095 inch wall thickness. Minimum
three door bars, both sides, parallel to ground, and perpendicular to driver.
Minimum four uprights tied from frame to top door bar on driver side, and
minimum three uprights on passenger side. Steel door plates, 18 gauge or .049
inch minimum thickness, must be securely welded to outside of door bars on
driver’s side. Plate must cover area from top door bar to frame and from rear
down post to five inches in front of seat. Must be visible for inspection.
5. BODY: Must be approved,
unaltered OEM or aftermarket steel (stock appearing), and be centered over wheel
wells (front to rear and side to side). All
body panels may be gutted, including fenders, doors, hood, roof, quarters and
trunk, but must remain original size.
No overlapping or shortening of body panels (except hood).
A metal cowl induction type hood scoop allowed, air cleaner cannot
protrude through scoop, and rear of scoop must be
sealed off from driver compartment with metal. OEM or aluminum
aftermarket replacement hood allowed, but hood must have factory feature lines.
Rear of hood must be sealed off from driver compartment with metal. Hood
must be separate from fenders and in OEM location. OEM or aftermarket plastic
nose and tail pieces allowed (recommended to match body). Trunk
lid must remain original width, rear edge of trunk may be trimmed and rear tail
light support removed only if aftermarket tail piece is used. 5” rear spoiler
on trunk lid (must be tethered), no wider than trunk lid. Entire trunk floor may
be removed - must be removed over rear end housing. All windows must remain
open, except opera windows may be covered with clear lexan, no decals. Maximum
seven-inch metal sun visor may be added to top of windshield opening. Wheel
wells may be slightly trimmed for tire clearance. No reflective body panels.
Steel replacement doors are allowed, min. 20 gauge, but must resemble OEM stock.
Rocker skirt/flare allowed between tires only, cannot extend outside tires,
minimum 4 inch ground clearance. No sharp edges anywhere on car, bumpers,
fenders or rub rails; your racing will be suspended immediately until problem is
repaired. Camaros & Firebirds are
allowed. Maximum one inch wide by two inch tall steel or lexan rub
rails allowed – bolted flush to body, ends must be
welded shut, at a 45 degree angle with no sharp edges exposed. No
bars past outside edge of body other than rub rails.
6. CAR NUMBERING: Numbers must be a minimum of 18" high, placed on both sides of the car, a mini,u, 18" number on the roof, and a 5" number on the rear panel. Car numbers cannot contain 3 digit numbers or contain any letters (visiting cars may be the exception).. The size, color and style of numbers must allow prompt identification by officials at all times. Number must be kept clean. If your number is unreadable you need to make necessary changes or not be scored. Information on number availability is available at the C. R. A. office. If two drivers want same number, priority is given to driver competing in the most events in the prior year if they register on/before the first point race. License registration fee for the 2013 season: Stock Car - $ 90 (every driver must be registered with C. R. A., if not, driver will receive NO points and NO money for that race event).
7. DRIVER COMPARTMENT: Minimum
of four (4) 3/8's" windshield bars in front of driver.
Aluminum high-back seat only and must be bolted in, using minimum 0.375-inch
bolts. Seat must remain inside all confines of roll cage.
Regardless of car make or model, bottom of seat may be no further
back than rear edge of rear foot well and top edge of seat must be inside all
confines of the roll cage. Driver must be sealed off from track, driveline,
engine and fuel cell. Inside rear quarter panels, below window level, may be
removed. Doors may be gutted, roof may be trimmed for roll cage clearance. Kick
and rocker panels may be removed. Front OEM firewall may be replaced using steel
fabricated firewall, 18 gauge or minimum 0.049 inch thickness. Top of firewall
can be no farther back than 12 inches from the back of the engine block,
measured horizontally. Bottom of firewall can be no farther back than the
rear of the oval body mount frame hole. Dash not to extend
more than 24 inches back from center of lower windshield opening from a line
even with front of A-pillars. Dash must be flat, rear can be no higher than
front, except for cowl in front of driver. No other interior tin or covers. All
holes in firewalls must be covered with metal. No driver-adjustable devices
allowed while car is in competition except brake adjuster. No mirrors of any
8. FRONT SUSPENSION:
All components and mounts must be steel, unaltered OEM, in OEM location
and match frame. Rubber, nylon or
steel lower A-frame bushings only, no offset or bearing type. No sway bars.
Weight jacks optional, must be in original centerline of spring tower.
OEM upper A-frame may be replaced using aftermarket or tubular upper
A-frame. A-frame mounts and
location must remain in stock location. Single
hole shock mounts only. Shock
location may be moved and may go through center of aftermarket upper A-frame,
but frame may only be trimmed to accommodate relocation of shock.
9. STEERING: No rack and
pinion. All components must be steel, unaltered OEM, in OEM location and match
frameand must be equipped with a quick release mechanism, exceptions are: bolt
on spindle savers allowed, OEM steering column may be replaced with steel
steering shafts (collapsible recommended), steel knuckles only, steering
quickener, steering wheel and quick release may be aluminum.
10. SHOCKS: One steel
nonadjustable shock per wheel. No coil over, air, or remote reservoir shocks. No
Schrader or gas refill ports. No coil over eliminators.
11. SPRINGS: One steel spring
per wheel only. All coil springs must be minimum 4.5 inches O.D. and
SUSPENSION: All components and mounts must be steel, unaltered OEM, and match
frame. Front mounts of leaf
springs must remain in “stock” OEM location. Rear spring shackle may be
No independent rear suspension. Rubber or nylon control arm bushings only, no
offset or bearing type. Welded single-hole shock mounts only. Exceptions are:
coil springs may be moved, but center line of axle tube can be no further
forward than the front of spring, or no further back than rear of spring; shocks
may be moved, but must remain behind housing; lower
control arm mounts maximum 7.5 inches long,
may have maximum of five holes for adjustment. Upper control arm mounts on rear
end must be level with each other.
13. REAR END: Any steel
approved OEM passenger car or truck non-cambered rear end (housing and carrier)
allowed. Safety hubs (floater) allowed. No sway/pan hard bars. All components
must be steel, exceptions are: lowering blocks, axle cap, and drive flange may
be aluminum. No adjustable lowering blocks. One inch inspection hole in housing/cover
required, if not equipped with removable cover. Full
steel spool, steel mini spool or welded rear end only. Steel axles only. No
quick change devices. One piece drive flange only. No torque-dividing
differentials. No scalloped ring gears.
14. BUMPERS/RUB RAILS: Front
and rear tow hooks mandatory. All front bumpers must be mounted minimum six
inches from front frame horns. Steel bumper mounts only. Bumper
height must remain OEM height for brand/type of car.
One of two options must be
15. TIRES/WHEELS: Must use
unaltered, IMCA stamped Hoosier Race tire (G60-15), or DOT 255-60-15. No
chemical softening, conditioning, or grooving of tires.
Tires may be ground or
siped within confines of tread (not past factory straight line).
No re-caps. 8” wide wheel maximum.
Spacer or offset wheel, or a combination of the two allowed, but cannot
exceed two inches total offset per wheel. May use approved bead lock, on right
rear only. External, steel bead lock only and it cannot make wheel any narrower
than 8 inches and no wider than 8.75 inches. Steel bolts and lug nuts only, 1”
lug nuts, minimum ½” studs. Foam type or plastic outer mud cover
allowed on right side wheels. No bleeder valves.
16. BRAKES: Steel, unaltered
OEM, or unaltered OEM replacement, operative four wheel, drum or disc. Front
components must match frame. Must maintain minimum OEM dimensions for
hubs/rotors and calipers, cannot be lightened. Bolt pattern may be changed.
Larger studs allowed. Rear rotors may be aftermarket, minimum .810 inch
thickness. Vented rotors only, no scalloped or ceramic coated rotors. No
floating brakes. No brake shut-off or pressure sensitive devices. One
proportioning device allowed, front to rear only. Brake lines must be visible.
Aftermarket pedal assembly allowed.
17. EXHAUST: Round tube headers
only. All primary header tubes must enter directly into one collector, at same
point, at end of header. Must remain dual exhaust, however, a crossover pipe, or
Y-pipe is allowed (helps reduce overall noise). No exhaust through body panels
or fenders. Mufflers required, must be used for noise reduction rule of 95 dB or
less (measured at 100 ft. from edge of racing
surface). All exhaust must go through muffler, two per car, one
per header. No exhaust sensors. Complete exhaust
system must be leak free and remain intact for the duration of the race.
18. FUEL SYSTEM: Mechanical OEM
type push rod fuel pumps only. Racing fuel cell required, maximum 22 gallon,
must be in minimum 18 gauge steel container. Must be securely fastened in trunk
above top of rear frame rails, with minimum two solid steel straps around entire
cell, two inches wide and .125 inch thick. Metal firewall must be between driver
and fuel cell. All cell mounts must be steel, securely welded to frame/cage. No
adjustable fuel cell mounts. Fuel cell vents, including cap vent, must have
check valves. If fuel cell does not have aircraft style positive seal filler
neck/cap system – a flapper, spring or ball type filler rollover valve is
required. Fuel lines through driver compartment must run through metal pipe or
metal conduit. No fuel filters in driver’s compartment. One fuel filter
allowed. No cool cans. Air cleaner top/stud cannot direct air into carburetor.
No top flow air cleaner housings, cold air boxes or air cleaner ductwork. Only
one (1) Holley 4412 2 barrel carb may be used.
Air bleeds cannot be removed, .076-inch maximum diameter. Float bowl must
face forward. Carburetor adapter/spacer allowed, maximum 1.20-inches thick,
19. FUEL: Pump fuel or racing
fuel allowed. No performance enhancing or scented additives. Fuel must pass both
dialectric meter and chemical tests.
20. WEIGHT: Track option to
enforce a minimum weight limit of 2,950 pounds, after race with driver in car.
No tolerance. No weights and/or loose objects in driver compartment or outside
body and must not be visible. Weights must be securely mounted to frame or roll
cage and painted white with car number on it. Must be attached with at least two
½ inch bolts. No titanium, magnesium or carbon fiber products. No gun-drilled,
tubular, hollow bolts or studs. Steel fasteners only
21. BATTERY/STARTER: One 12
volt battery only, must be securely mounted between frame rails, and positive
terminal must be covered. Battery must be in Marine type case if mounted in
driver compartment, and battery box must be steel and welded to the floor pan,
and must completely covered in rubber if not a dry cell.
If dry cell battery, positive side must be covered with rubber. Starter
must bolt in OEM location. Car must have capability of starting without being
pushed or pulled. Car must leave initial staging area on demand, unaided, or go
to rear of that race.
Must use a Raceceiver radio, whenever on the racing surface. No unapproved
cameras, transmitting or listening devices (NO 2-way radios), timing retard
controls, or digital gauges (including tach). No electronic monitoring computer
devices capable of storing or transmitting information except analog tach.
No adjustable ignition control boxes. Only one 12 volt ignition box allowed,
must be out of driver’s reach. No additional ignition accessories. Only change
allowed to ignition box is one high-end rev-limiter. Setting can be changed
through one chip only, or an internal setting inside box. No magnetos or crank
triggers. OEM type alternator with internal regulator allowed. No electronic
traction control devices.
23. TRANSMISSION/DRIVE SHAFT:
Must have at least two forward gears and one reverse, plus neutral position.
With motor running and car in still position, must be able to engage car in gear
and move forward, then backward. Only OEM production type transmissions allowed
– two speed, three speed, four speed and automatic. No five speed (or more)
transmissions, ‘in and out’ boxes, or quick-change devices allowed.
Functioning shift levers must be in OEM location. Flywheel/flex plate must be
bolted directly to end of crankshaft, and pressure plate must be bolted directly
to flywheel/flex plate. One flywheel/flex plate only, and all driveline
components within bell housing must rotate consistent with engine RPM while car
is in any gear. Unaltered flex plate must be full OEM, or OEM replacement. NO
racing transmissions allowed (i.e. Brinn, Bert, Jericho, Falcon, etc.).
Manual: Must be OEM or OEM replacement case and have a
working 7.25 inch minimum diameter, steel and/or aluminum, single or multi-disc
clutch inside explosion-proof steel bell housing - minimum 270 degrees around
top of clutch/flywheel area.
Automatic: Must remain in OEM or OEM replacement case, with a functioning
OEM appearing pump. Aluminum OEM bell housing may be replaced with aftermarket
explosion-proof aluminum bell housing. Original OEM bell housing must have
approved scatter shield constructed of minimum .125 inch by three inch steel,
270 degrees around flex plate.
Drive Shaft: Minimum two inch diameter steel drive shaft, must be painted
white. Steel slip-yokes only. 360-degree drive shaft loop required and must be
constructed of at least .25 inch by two inch steel, or one inch tubing, mounted
six inches back from front U-joint.
24. ENGINE COMPARTMENT: Engine
must be in OEM location. GM and Ford metric frame, with V-8 engine, must have
back of fuel pump in front of cross member. V-6 engine must be in OEM location.
Frame and cross member may not be altered for engine placement. Engine mount
holes cannot be removed or altered on block. Aftermarket engine mounts allowed,
including mid-plate. Engine must be OEM appearing, must be able to be used
in conventional passenger car without alteration. GM with GM, Ford with Ford,
Chrysler with Chrysler. Radiator must be mounted in front of engine. Cooling
system may be modified. Overflow tubes must be directed to ground.
25. ENGINE SPECIFICATIONS: Any
American make engine allowed. Steel heads, steel block and steel oil pan only.
OEM passenger vehicle production block only. No GM Bowtie, Ford SVO or Chrysler
W blocks. Castings and fittings cannot be changed, no machine work on outside of
engine. No cubic inch limit. May use aluminum roller rockers (no shaft
mounted Jesel or T& D style) or steel roller tip rocker arms. No stud
girdles. Flat tappet cam/lifters only. No mushroom lifters. Cannot alter
lifter bores. OEM cast iron intake may be ported/polished. Unaltered
aftermarket aluminum intake allowed (1” port matching allowed, no cooling
lines). OEM firing order cannot be
changed. Aluminum water pumps allowed. ‘Wet’ sump oiling system only.
Accumulator allowed – cannot be located between seat and door bars.
26. Engine Claim Rule: The
El Paso County Speedway promoter, C.R.A. track officials (minimum 2 CRA Tech.
Advisory members) reserve the right to claim any engine for $ 1000 on any
eligible race night (will be torn down, inspected, rebuilt and sold towards
point fund at the end of the season).
Refer to EPCS “General Rules M – Protest”
(in accordance with EPCS & IMCA).
PROTEST – Refer to EPCS “General Rules M – Protest” (in accordance with EPCS & IMCA).
Failure of exhaust system, or muffler fails to keep
engine noise below 95dB – Driver will receive the “meatball” flag, and
must exit the track at that time, but will receive the appropriate finishing
position as they exited the track.
Failure to sell engine – Disqualification for the evenings results.
Owner/driver receives no points and no money.
Owner/driver will be suspended for the next two events.
Failure to proceed directly to tech area/scales –
Disqualification for the feature. Owner/driver receives no points and no money.
Illegal carburetor/parts – Illegal part will be confiscated.
Owner/driver will be disqualified and receive no points and no money. If owner/driver refuses to relinquish illegal part, they will
suspended for the next two events.
Illegal fuel or additives – Disqualification for the evenings results.
Owner/driver receives no points and no money.
Owner/driver will be suspended for the next two events.
28. PROTEST – Refer to EPCS “General Rules M – Protest” (in accordance with EPCS & IMCA).
NOTE: The intent of these rules is to provide a measure of equality and comparable equipment on all cars at a reasonable cost. All cars must pass an inspection before being allowed to run in competition. Any modifications, changes or alterations not specifically stated in these rules will be illegal. C.R.A. officials shall determine who is eligible and who is not. Final judgments on any points not covered in these rules will be left up to the discretion of the C.R.A. officials or track management. With C.R.A. officials’ consent, a first time visiting stock car can run at least one time before conforming to El Paso County Speedway rules.
If it doesn't say you can do it, assume you can't!
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