BODY - Wheel base; any American made OEM produced COUPE OR
SEDAN BODY AND REAR WHEEL DRIVE. Sheet metal Bodies OK. Wheel base
must be stock for make and model +/- 1 per side. Air filters can
pass through hood a max of 6". No ram air, or fresh air systems, mud
guard in front of filter OK. All exterior lamps and trim must be
removed, may be covered with sheet metal. Doors must be fastened, or
bolted shut. All glass and interior trim must be removed. All
openings in driver area must be covered with sheet metal so as to
isolate driver compartment from engine trunk/fuel cell and ground
areas. Wheel base must remain stock according to year model frame
used +/- 1 per side. Main roll cage tubing must be minimum of 1 ½".
Drivers side must have 3 door bars. New cars are recommended to be
built out of 1 Ύ" roll cage. Aftermarket plastic nosepieces will be
allowed. Body must be a minimum of 5 inches from the ground. 7" max
on sun visor. 6). Spoilers are legal. 8" tall maximum. Aftermarket
WEIGHT Must weigh at least 3,000 pounds after race with
driver in car. No tolerance by track scales. No weights and/or loose
objects in driver compartment or outside body. 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 5-inch bolts. No
titanium, magnesium or carbon fiber products, parts, or components.
No gun-drilled, tubular, hollow bolts or studs. Steel fasteners
BRAKES Must be steel approved OEM, drum, or disc. Must
maintain OEM dimensions for Hubs/rotors and calipers, cannot be
lightened. Bolt pattern may be changed. Larger studs allowed. Rear
rotors may be aftermarket, min. 0.810- inch thickness. Vented rotors
only, no scalloped rotors. No floating brakes. Three wheel brakes
OK. One proportioning device allowed. Aftermarket pedal assembly
BUMPERS Front and rear bumpers required. Stock or fabricated
OK. No sharp edges. Front bumper may not extend beyond inside tire
width except cars with nosepieces. Fabricated bumpers may be no more
than 1 Ύ" ODx.125 wall round tube or 2x3x.125 wall rectangle.
Fabricated bumpers must be capped at ends. Nerf bars allowed. One
bar per side on doors, and quarter panels. Nerf bars can be 2" max
from body. No larger than 1 ½" round tubing on nerf bars, 1" x 2"
FRAMES American made passenger car Stock frame. Rear
suspension must match frame used, in stock location. Wheel base must
match make and model. Both sides must match wheel base.
ENGINE Cast iron 350 stock OEM American made blocks only. No
chevy big blocks or 400 small blocks.
ENGINE LOCATION Engine can be lined up with the Number 1
plug with balljoint or can Be moved behind ball-joint up to three
(3) inches. Must have 25 lbs. in front of midplate per inch that
engine is behind balljoint. Meaning if you move your engine back
three inches you must have 75lbs of weight in front of the midplate.
VALVE TRAIN- Any flat tappet cam. No mushroom or roller cam of any
type. No gear or belt driven cams. Roller rockers arms ok.
FUEL PUMP All cars must use 2-barrel carburetors. Must use
IMCA approved naturally aspirated, unaltered 500 c.f.m. Holley
part no. 0-4412, may be modified to Holley HP Dorton part no.
0-80583-1 specs only. Float bowl must face forward. Any adapter,
maximum one inch thick. No throttle bore adjustable carburetor
spacers. No dual carbs. Aftermarket air filters OK. Aftermarket fuel
pumps OK. All pumps must mount in stock location. No electric fuel
CYLINDER HEADS Cast Iron only, No porting or polishing.
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, no crossover or Y-pipes.
IGNITION - One 12 volt battery only. Must be mounted securely
in rear of drivers compartment or trunk area. One distributor in
stock location only. No modifications allowed. MSD style
distributors and ignition boxes allowed. Plugs and wires may be
aftermarket. Ignition on/off switch must be clearly marked. No
traction control devices of any kind. .
INTAKE MANIFOLD Cast Iron or Aluminum.
OIL SYSTEM Extra capacity pan or accusump OK. Oil pumps in
stock location No Dry sumps. FUEL GASOLINE OR RACE GAS ONLY! NO
METHANOL-NO ALCOHOL- NO NITROUS OXIDE OR PROPYLENE OXIDE. NO E-85,
NO AEROSOL CARBS!.
FUEL CELL Racing fuel cell required. No boat or stock
automotive fuel tanks. Must be securely fastened inside trunk of car
and mounted around cell, by at least two steel straps no smaller
than 1/8" by 1". Trunk floor and wells must have drain holes cut so
as not to allow spilled fuel to be trapped in trunk area. Radiator
cannot mount higher than hood or extend through hood. Electric fans
REAREND Must be locked, spool or mini spool recommended.
Aftermarket axles OK. 9" Ford under any body OK. No limited slips
such as Gold-Trac, Detroit Locker, Etc. Floaters OK.
STEERING/DRIVER LOCATION OEM STEERING GEAR BOX IN STOCK
LOCATION FOR FRAME USED. Quick steer boxes OK. Aftermarket pump OK.
Aftermarket steering wheel with disconnect OK. Driver must sit in
left front quadrant of Racecar.
SUSPENSION Rear leaf, coil, or torsion bar as OEM produced
for make frame used. Steel racing springs OK. Coils must be minimum
4.5" outside diameter. No coil-overs. Only one spring and shock per
wheel. Spring spacers or lowering blocks for ride height adjustment
OK. Steel body racing or stock shocks OK. NO Aluminum shocks. No
Shrader Valve Shocks No air shocks. Weight jacks, and rear leaf
spring shackles OK. No cockpit operated shock or spring adjustment
devices. No fabricated or aftermarket traction devices. No J bars or
Pull bars. Front: Spring must mount in stock location. No aluminum
upper or lower A-Frame Rear: Coil Spring Cars: May off set rear
springs from rearend housing. May use fabricated rear control arms
and mount in stock mounts for make and model car +/- 1 side to
side. Lower control arms mounts can be no lower than 4" max length
to center of bolt hole from bottom of rear-end +/- 1. Leaf Sprung
Cars: Must retain front spring mount in stock location, mounts must
be located outside frame rail. NO extra mounting holes. Brackets
with extra holes, then the holes must be made unusable and not
adjustable at track. Dimension: Forty-two inches (42) +/- 1 wide
side to side on front mounts, Forty-Four inches (44) +/- 1 on rear
mounts, Aluminum lower blocks and rear shackles allowed. NO sliders
front or rear. NO THREE LINK or FOUR LINK SUSPENSION.
TRANSMISSION Automatic or standard, OEM. Approved OK on any
car. Driver must be able to put car in forward, neutral, and reverse
while running. Transmission cooler OK and may be attached to cage
Scatter shields or blow proof bell housing mandatory. No Aluminum
bell housing allowed! Mini Clutch or Direct Drive OK but must be
mounted to the crankshaft. Minimum 2" diameter steel drive shaft,
must be painted white, and must have drive shaft loop mounted 6"
back from front Ujoint. Bert and Brinn transmission OK. No reverse
mount starters. TIRES Grooved Hoosier Pull Offs only, Tires are
subject to track approval.
WHEELS- 15 dia. Steel wheels only - maximum 10" width, racing
wheels OK. Steel 10 Wide 5 Wheels Ok. Wide 5 Wheels with Aluminum
hub must add 25 lbs per axle in front of mid-plate. One inch (1")
steel lug nuts required. 2017
STREET STOCK RULES 1. Street Stock weight rule is 3000 lbs
with driver after race.
2. Any American production make or model car (or truck) from
1967 to current year. Body must match frame and year.
3. Any Uni-body cars must have center supports welded to
connect front And rear frame. 4
. No square bodies and no chopped tops. Tops must be stock.
Must be a miniumum of 14 inch window opening.
5. Wheel base must remain stock according to year model. No
more than one inch difference from side to side.
6. All car body must remain stock appearing .
7. All glass, chrome and trim must be removed. All flammables
8. Windshields must be replaced with protective screen and
have 3 small bars in front of driver.
9. All cars must have bumpers front and rear. Tow hooks
mandatory on front and rear of car or truck. Center of bumper or
loop bar must be 20 inches maximum.
10. All doors must be welded shut.
11. Bars may be added, front and rear, to protect radiator and
12. All cars must have radiators in engine compartment only.
13. Engine setback: No.1 plug must be no further back than
14. All cars must use 2-barrel carburetors. GASOLINE OR RACE
GAS ONLY! NO METHANOL-NO ALCOHOL- NO NITROUS OXIDE OR PROPYLENE
OXIDE. NO E-85, NO AEROSOL CARBS!
15. No more than 500 CFM maximum 1 11/16 throttle bore
maximum. Holley's are okay.
16. Headers are okay. any battery fire distributor. No
aluminum heads. No aluminum blocks. No dry sump oil pumps.
17. Manual fuel pump only. No electric fuel pump. Any Aluminum
18. All cars must have gas tanks of heavy duty construction
and must be securely fastened to the frame in the trunk of the car.
19. ALL CARS MUST HAVE STEEL FIREWALL, AND STEEL FLOOR PAN TO
REAR OF DRIVERS SEAT, AND EXTEND FROM DRIVERS STOCK FRAME RAIL TO
PASSENGER STOCK FRAME RAIL. FIREWALL MAY BE CLEARANCED FOR HEADERS,
AND HAVE FULL DRIVE SHAFT TUNNEL. RIGHT SIDE FLOOR PAN MUST BE SAME
LEVEL AS DRIVERS SIDE FLOOR PAN. YOU MAY MAKE A STEEL FLOOR PAN AND
FIREWALL. 20 GAUGE MINIMUM STEEL WITH DRIVE SHAFT TUNNEL, FULLY
WELDED AND ENCLOSED. YOU MAY MAKE FIREWALL AND FLOOR PAN OUT OF
THICK HEAVY GAUGE ALUMINUM, .080 MINIMUM THICKNESS, AND MEET THE
SAME CRITERIA AS STEEL FIREWALL AND FLOOR PANS. NO TUNNELING FLOOR
PANS LIKE LATE MODEL OR MODIFIED. IF PASSENGER SIDE ENCLOSED, AN
INSPECTION DOOR MUST BE INSTALLED 8 X 8 MINIMUM. BODY MUST BE
CENTERED ON CHASSIS, BE STOCK APPEARING IN ALL WAYS. FIREWALL MAY BE
CUT OR MOVED FOR DISTRIBUTOR CLEARANCE
20. must have working clutch and transmission. Clutch must be
21. No bert transmission or after-market transmission.
22. Racing shocks are allowed.
23. Tubular A-Frames are allowed. Lower must be stock and in
stock location. Non-Adjustable Tubular Upper A-arms.
24. Weight jacks are allowed.
25. Rear ends may be locked. Suspension must remain in stock
position. No chain on suspension. May use Ford in Chevy, etc. *Stock
length trailing arms with stock bushings. *Trailing arm brackets
must be in stock location and mounted equal on each side. NO extra
mounting holes. Brackets with extra holes, then the holes must be
made un-usable and not adjustable at track. Lower trailing arms may
not be mounted lower than 4 below housing to center of mounting
bolts. Lower trailing arms should be equal distance from rear-end
and side to side.
26. TIRES Asphalt pull-offs - Hoosier or Goodyear. NO mud
plugs. RIGHT REAR BEAD LOCK OPTIONAL.
27. Steel wheels mandatory. 10 inch wheel maximum. Large steel
lug nuts on all 4 wheels.
28. Drive shafts must be painted white and have a hoop around
front end of shaft.
29. All cars must have at least 24 inch numbers on both sides
30. A full 4 post roll cage is required. Roll cage must be
cross braced with a minimum of 3 bars in both doors RECOMMENDED but
X bar ok in right door. Cage must be minimum of 1 ½ inch pipe of
.095 thickness. Cage must be cross braced in top with X braces. Must
have original floor pan.
31. All cars must be equipped with racing type seat belts that
are safety approved. All belts must be securely fastened to the
frame and roll cage. All drivers must wear safety approved fire
suits and helmets. All cars must have a fire extinguisher within
reach of driver.
32. All cars may use stock spoilers for their year model car
or a 4 inch fabricated spoiler. Side panels can only be 6 inch long
and no higher than the spoiler. *All cars maximum height from top of
spoiler to ground should be 44 inches. All trucks maximum height
from top of spoiler to ground should be 46 inches. No floppers or
fender skirts on front end like late models. Monte Carlo deck height
should be no taller than 40 inches. Tire must remain visible outside
of body. Top of Spoiler should be 44 inch maximum. All deck lid area
must slope down from C pillar area to spoiler.
33. All cars are subject to track officials approval.