Section 11
2008 Street Stock division
Open to any American Made Car 1960 or newer.
Read Sections 1-11 first as they apply to this class
Track Raceceiver Mandatory
In the event your car does not fit the rules, but you wish to compete, please contact Black Rock Speedway ahead of time so we may make a determination on your car before you arrive.
Engine cubic inch displacement and the car weight must be displayed on the hood & the side of the race car.
ENGINE: V8-ONLY GM,FORD,CHRYSLER-Motor limits as follows:
1960
or newer American
manufacturer brand rear wheel drive passenger car. NO trucks, suvs, or jeeps.
Minimum wheelbase 107 with 1 tolerance.
Full frame cars can have rear frame from center of
axle back replaced with 2x3 tubing.
Unibody
cars can have the frame replaced with 2x3 tubing from 36 behind centerline of
front wheels. 2x3 tubing must go over the rear end housing.
Front
frame on all cars can be replaced forward of the steering box and idler arm
only (front steer cars) with tubing.
All
suspension and steering components must be OEM and in stock mounting location.
Tie
rod ends may be replaced with hiem joints.
Steering
column may be replaced for safety.
Stock
configuration steel aftermarket non-adjustable upper a-arms are allowed.
Steel
body shocks front and rear. Stock or alternate locations allowed. One shock per
wheel (NO ADJUSTABLE SHOCKS ALLOWED)
No weight jack bolts allowed, adjustable spring spacers allowed on
front springs ONLY.
No pull bars, torque arms, pan hard bars or leaf/coil type suspensions.
No three link rear suspensions.
Suspension
bushings can be replaced with solid type bushings(NO
MONO BALL TYPE)
Stock
front clip must remain NO fully tubed front clips
allowed.
Factory
steel bodies may be gutted.
Roof
and hood must be factory items or equivalent, subject to tech approval.
steel or
aluminum roofs must be a min thickness of .040.
Fiber glass roof and hood only allowed subject to tech
approval.
NO
spoiler allowed of any type.
Side
body panels may be replaced with sheet metal or aluminum min .040.
Aftermarket
front and rear bumper covers may be used. NO
late model style down force noses allowed. On late model style bodies the rear
section above bumper must be enclosed from the rear bumper mounts to the rear
deck. (NO fiberglass).
Rear
bumper must run the entire width of body and is required to be a min of 12 in
height.
Any
and all rub rails must be tight against the body and enclosed on both ends.
No sharp edges, open tube ends on bumpers or rub rails on outside of the
body.
Front
and rear bumpers may be replaced with tubing.
Cars
must look clean and presentable: body damage on cars should be repaired
promptly.
Max
body width will be 82
One
aluminum or copper/brass radiator must be located in front of engine.
Cast
iron water pump only.
Electric
fans allowed.
602
crate motor acceptable: must follow dirt motor rules.
A $25.00
weekly bonus payout to be paid to the top finishing car with the 602 motor.
Maximum cubic inch. GM 350+ .070 overbore; Ford 351+ .070 over bore;
Chrysler 360+ .040 overbore; GM 400 + .030 overbore; No stroker engine of any type.
Stock
production blocks only.
1
pipe plug must welded in oil pan for viewing of rods
and crank.
Stock
cast iron production heads straight plug, NO
after market or special order heads (exception:woodhull
speedway heads described in home track rulebook are allowed: woodhull speedway rulebook reads, non-performance world
product stock replacement chevy heads allowed. Part
#s world 043600 or 043610)
Heads continued: NO hand grinding, sanding, blending, or
de-burring where a cutter or stone or stone leaves off. The amount of metal you
will be able to remove in the bowl areas on both intake and exhaust will be
determined by the same method used by dirt inspectors. Method of checking will
be as follows:
On
the exhaust side the header will be removed and the inspector will place a tool
in the port which will consist of a .531 diameter ball bearing welded to a
shaft. With the valve fully open, the ball will be placed against the valve
stem and moved to the full circle around the valve stem. If the ball drops down
through the valve seat in any position around the full circle of the valve
stem, It will be deemed illegal. On the intake side the intake will be removed
and the same procedure will be done using a ball size of .787. NOTE : these methods of checking the head will hold true
with a cold or hot engine.
NO race flow, cut down or none OEM valves allowed. OEM stock diameter
valves only.
Steel
or aluminum roller rockers allowed. Max ratio 1.6. All 16 rockers must be same
ratio.
No
none stud girdles or shaft rocker are setups.
Gasoline
engines only---NO additives or
alcohol motors.
Any
flat tappet cam or hydraulic cam with functional lifters allowed.
Flat top pistons only.
NO piston may extend beyond the surface of block deck.
Stock
unaltered crankshafts and connecting rods including stroke and rod length,
Balancing and weight matching allowed.
Engine
setback is limited to the #1 spark plug even with the upper ball joint.
Factory stock type distributors, points, HEI only. NO
aftermarket electronics in distributor or of any kind.
CARBURETOR:
Factory
stock two barrel or box stock unaltered
Holley 4412, and for the 4412 to be legal it must pass tech by track tools.
Cars running a 400cu-in engine will run a 1 11/16 in restrictor plate.
NOTE
track tools will not fit some Holleys, numbered
4412-S (may not pass tech)
Please
take note that if the tools dont fit, it will NOT be legal.
Cast
iron 2 barrel passenger type intake manifold, No marine or military type manifolds allowed. Aluminum intake
allowed as follows:
-chevy: Weiand part #7547 & Edelbrock #5001 or #2101
-ford:
weiand part # 7515 & edelbrock
#5021
-chrysler Weiand
part # 7545 & Edelbrock #5076
-chrysler w-2 heads Weiand # 2920
NOTE Only two unaltered carb adaptors
will be allowed: Part # BRP-377 & HV-301 or equivalent. With
max thickness of 1 1/8 including gasket.
NO bevel radius or tapering to said item.
ANY MODIFICATION TO ABOVE ITEMS WILL NOT
BE LEGAL
NO sideways mounted carduretors
Wet sump only.
No
electric fuel pumps.
Cast
iron unaltered exhaust manifolds or street type headers. Crossover headers allowed
NO interconnected headers will be
allowed.
Exhaust
must exit behind the driver.
Factory stock automatic or standard transmissions
only. All gears must workNO direct drives allowed.
Forward
and reverse must work with the engine running with foot on the brake.
Factory
stock steel flywheel and factory stock steel pressure plate housing, one clutch
disc only.
Stock
size functional torque converter: must measure min 11-in O.D.
Steel
drive shaft only painted white.
Drive
shaft must have two hoops one no more than 6 from the front u-joint and one in
the middle of drive shaft.
Rear
suspension coil cars must use OEM trailing arms, length and location with 1
tolerance and have rubber bushings. Springs must be located in stock location
on the top of the rear end housing.
Factory
stock rear ends only, Mounts must remain in stock location.
Ford
9 may be used, steel mini spools only with stock steel carrier, NO full spools.
Leaf
springs allowed, Must be magnetic.
Floaters
allowed.
NO pull bars, torque arms, pan hard bars or leaf/coil type suspensions.
NO three link rear suspensions.
NO uniball suspension allowed in any location.
NO traction control devices.
NO quick change, posi, locker, gleason, or gold track rear ends.
8. WHEELS
& TIRES:
Maximum
8 wide steel rims, any backspace, NO
bead locks except on right rear only.
BRS
spec tire as follows: acceptable tire
will be Hoosier 36149 & 36155. there will be a two
race grace period for this spec rule.
Must
use at least ½ lugs with 1 racing lug nuts.
Grooving,
grinding and siping are allowed.
NO chemical treating
NO wide five Rims or hubs.
Car
must have four fully functional OEM style calipers and rotors. Balance bars are
allowed with NO external or remote
adjusters.
A
foam filled fuel cell in a steel container is mandatory with a max capacity of
22
Fuel
cell must be securely fastened in the truck area of the car.
Cell
over flow must have a role over valve either internal or external. A PVC valve
is recommended externally. This will prevent tech from asking you to remove the
foam from your cell for safety inspections.
Mufflers
are mandatory and must past track meter reading of 95 decibels.
Crossover
style headers are allowed, NON interconnected.
12. SAFETY:
Driver
seat must be located in stock OEM position . Seat must
be a minimum of 25 in front of the rear axle housing, measured to the rear
bottom of the diver seat.
Gloves
and neck brace are required.
NO fiberglass seats.
Five
point racing safety harness is mandatory.
Head
and neck restraints are recommended.
Holes
through firewall should be kept to a minimum and sealed.
Window
nets are mandatory.
Black Rock Speedway Tech reserves the right to check and deem any car in
competition illegal at Black Rock, regardless of home track.
Items
not covered in these rules are at the discretion of Black Rock Speedway Tech
Officials.
In
the interest of fair competition we reserve the right to address any other
competitive race car.
NO mirrors, two way radio or phone devises
allowed. If any of these items are found in a car competing at Black Rock
Speedway, That driver will lose all money for that evenings event as well as
all points earned to date.
Minimum
weight with driver after heat and feature is 3000 lbs. Cars with 400cu-in will
be 3200 lbs.
NO TOLERANCE.
TRACK
SCALES WILL BE USED TO DETERMINE WEIGHT!