STREET STOCK RULES
This is a
protest division.
1. Only
American-made sedans with a minimum of 108"
wheel base plus or minus 1". NO front wheel
drive vehicles allowed.
No
Camaros, Firebirds, Mustangs or Capris. NO
convertibles or compact-size bodies. Racing
seats and belts mandatory. Must have a complete
roll cage around driver. Must have thee
horizontal safety bars on left side.
2. Street
Stock bodies must remain stock appearing.
Stock
steel roofs and window panels only. Any window
panel not stock will have to be stock appearing
and stock dimensions. All upholstery must be
removed. All glass must be removed and a safety
screen installed in the space of the
windshield. Full window screen mandatory (See
General Safety Rules.) All safety bars must be
approved and padded. Car must have complete
firewall and floor pan. Inside drivers may be
boxed similar to that of a Limited Late Model.
See Tech Inspector for specifics before you do
it. If it does not meet his specs you will be
required to remove it. There must be three bars
in front of driver at windshield, see Tech.
Must have full window screen - 1 x 2 minimum.
NO stock bumpers--must be pipe bumper with
rounded ends turning back towards frame rails.
NO ROUGH END OR JAGGED BUMPERS.
NO
SPOILERS ALLOWED.
BODY
WIDTH: Maximum 72” across top of rear deck
Maximum 76” across
center of car.
Maximum 82” across
bottom of car.
Hood Scoop: Maximum 4” tall by 18”
long.
3. Street
Stock suspension is as follows:
Racing
springs and shocks are permitted. No coils over
shocks. Coil springs do not have to be the same
size diameter side to side or front to rear.
Leaf springs can be different size from side to
side and have different number of leafs side to
side. NO lengthening or shortening of A-frames
or spindles. Spring buckets may be adjustable.
Shock mounts must remain in relative stock
location. Bottom shock mounts on rear end only
may be moved 2 inches. Trailing arms must be
same length. Top two the same length and bottom
two the same length. Top does not have to be
the same length as bottom. NO adjustable
trailing arm. NO aluminum shocks. No
adjustable shocks (fixed only). Wedge bolts are
optional.
4.
Steering quickeners O.K.
5. Unibody
frames may be tied together. Check with Tech
Inspector.
6. Pipe
bumpers mandatory--no O.E. bumpers. Ends must
be rounded off. NO sharp edges. Must not
extend past body of car.
7. No
aluminum driveshafts.
8. GM cars
must run GM engine. Ford cars must run Ford
engines.
9.
Batteries may be placed inside of car. All
batteries must be safely covered and secured.
Only one 12-volt battery per car. NO 18-volt
batteries.
10. Stock
fuel tank must be removed. Mandatory fuel cell
must be mounted securely in trunk area.
Gasoline only. No electric fuel pumps. Minimum
four
straps around tank. Fuel tanks 22-gallon max.
Fuel petroleum base. (Gas) regular pump-type
gas, cam 2 or equivalent. NO trick additives.
NO alcohol.
11.
No Street
Stock driver may compete in the Street Stock
Division and any other division at East Bay
Raceway on the same night. If a driver drives
in any other division for four races or more he
may not return to the Street Stock Division for
the remainder of that year.
12. Street
stocks must weigh a minimum of 3100 pounds.
13. Rear
pan hard bar is optional.
14.
Non-ported stock O.E.M. cast iron block & heads
only.
No gasket
matching allowed. All engine parts must have
casting or part numbers on them for
identification. Engines must remain stock as
manufactured with the following expectations.
15. Block
only the following engines and over bores listed
below will be accepted.
CHEVY 350
CI UP TO .060 PLUS
FORD 351
CI UP TO .060 PLUS
CHRYSLER
361 CI UP TO .010 PLUS
CHRYSLER
340 CI UP TO .060 PLUS
All
engines must maintain stock bore and stroke
combination.
Example:
CHEVY 350
CI 4" BORE X 3.48 STROKE
CHRYSLER
360 CI 4" BORE X 3.578 STROKE
CHRYSLER
340 CI 4.040" BORE X 3.314 STROKE
FORD 351
CI 4" BORE X 3.50 STROKE
16.
You may deck the block -
pistons must not protrude above deck.
NO
TOLERANCE.
17.
SCREENS -
oil
restrictions - lifter tray legal no other
machine work allowed on block.
18.
PISTONS
a) 3 Ring
flat top pistons only.
b) Cast -
Hypereutectic - OK - 2 or 4 Eye Brow
c)NO light
weight, NO floating wrist pins, NO gapless
rings. TRW Power Forged #2256 is OK.
19. HEADS
Cast iron
O.E.M. stock production only!!
a) Valve
size must match stock production, for casting
being used.
b) Max
valve size 194 intake 150 exhaust.
c) 1
piece solid valve only.
d) Valve
stern diameter Chevy 11/32, Ford 11/32, Chrysler
3/8, Ford-.005.
e)
Milling of head combustion side only.
f) Valve
springs stock diameter.
g) Heads
may be machined to accept large valve springs;
valve spring size no larger than 1.300.
h)
Screw-in studs and guide plates - poly lock
nuts, pinning of studs -
All O.K.
i) 1.5
stock rocker arms only; long slotted O.K.
20.
CRANKSHAFTS
a. Stock
for engine being used. NO grinding, polishing,
shot peen, knife edging drilling. STOCK MEANS
STOCK!!!
21. RODS
a. Stock
for engine being used.
b. Heavy
Duty - APR – bolts and nuts allowed
c. No
floating wrist pins
22.
CAMSHAFT
a.
Hydraulic solid lift flat tappet cam allowed
b. NO
rollers – NO mushroom lifters.
c. Lifter
tray is legal in side of valley.
No gear or
belt drives allowed.
d. Offset
keyway - 3-way crank gear. Cam offset key - Cam
button allowed.
23.
LUBRICATION SYSTEM
a. No dry
sump systems
b. STOCK
OR OEM REPLACEMENT Oil pan -steel baffles in pan
or block O.K. NO RACING OIL PANS.
c.
Inspection hole in left side of pan for rod -
crank inspection.
IF NO
HOLES YOU WILL PULL PAN
24.
INTAKE MANIFOLD
a.
Quadra-Jet intake manifold cast or aluminum
only. Must be stock production with part number
and firing order number on manifold.
b. No
bowtie.
No truck.
No marine
manifold.
NOTE:
Check your
part number. If it is not listed for a stock
production automobile no high performance, it is
not going to pass tech.
25.
CARBURETOR
a. Holley
4412 mandatory
b. No
performance carburetors
c. No air
filter hats
d. No air
boxes
e. No
duct work to air cleaner
f.
Round-type air cleaners only
g. Choke
and outside linkage may be removed
h.
Maximum 1.65" height adapter plate (including
gaskets).
26.
IGNITION
a. Stock
OEM distributors only
b. No
trigger ignition system
c. Coil
must remain in distributor
d. Point
style Ignition - Dual points O.K. but only one
set working
e.
Stock-type coil only--must fit stock cap
f. Only
one coil will be allowed on car
27.
COOLING SYSTEM
a. Water
pump, cast iron only
b.
Radiator fan; steel only (no flex or plastic)
c. No
electric fans or pumps
d.
Aluminum pulleys are allowed on crank or water
pump. NO racing harmonic balancers.
e. Steel
water pump pulley only
f.
Radiator - mounted in stock location
g.
Radiator - steel or aluminum
h. lower
pully can be aluminum
28. FUEL
- GASOLINE ONLY
a. Fuel
subject to testing at anytime
b. Any
infraction of fuel rule will result in a
complete disqualification
29.
EXHAUST HEADERS OR CAST IRON MANIFOLDS
a. 3"
maximum outlet
b. Must
be under car
c. No
cherry bombs or cut-out mufflers
d. Schoenfeld #112535 mufflers are mandatory
with 98 decimals at trackside
Schoenfeld #112530 mufflers are also allowed.
See
general rules for penalty in cases of loss or no
muffler at tech shed
30.
TRANSMISSIONS
a. Must
remain stock as intended for street use
b. All
gears in working order
c. Three,
4 - speed cast or aluminum O.K.
d. Auto
transmission must have torque convertor in
working order
31.
CLUTCHES
a.
Conventional clutches minimum of 10" disc
b. NO
hydra clutches or release bearings or
master/slave cylinders release bearings
c. L-88
fly wheel - legal
d.
Mini-starter - legal
32. REAR
ENDS; NO ALUMINUM PARTS
a. 6M 10
- 12 Bolt O.K. - 9" Ford O.K.
b. 5-lug
axles only - Harden axles O.K.
c.
Mini-Spools (hardened)
d. No
full spools. No Detroit lockers. No limited
slip or positractions
33. TIRES
Track
approved tires as supplied by EAST BAY RACEWAY
PARK Racing Tire Division D15 or D35. No
tire softeners. No soaking of tires. No
preheating of tires. No chemicals of any type
which alter softness of rubber allowed on or
inside tire except oxygen or nitrogen. If
found, tires will be confiscated, driver will
receive a minimum $500 fine, loss of all points,
accrued to date and/or possible suspension.
This could turn into an EPC problem if it
continues. No grinding or removal of factory
markings. No snow chains.
RULE BOOK DISCLAIMER
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 EXPRESS OR
IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM THE
PUBLICATION OF OR COMPLIANCE WITH THESE RULES
AND/OR REGULATIONS. They are intended entirely
as a guide for the conduct of the sport and in
no way guarantee against injury or death to any
participant, spectator or official.
The race director
or Head Tech Inspector shall be empowered to
permit reasonable and appropriate deviation
from any of the specifications herein or impose
any further restrictions that in their opinion
do not alter the minimum acceptable
requirements. ANO EXPRESSED OR IMPLIED WARRANTY
OF SAFETY SHALL RESULT FROM SUCH ALTERATIONS OR
DEVIATIONS. Any interpretation or deviation of
these rules is left to the discretion of the
officials and is final and binding.
On occasion when
situations arise that are not covered by written
rules herein, special rulings may be put into
effect by the track officials. Once such
rulings are acted upon, they may become an act
of policy and will be added to the existing
rules of procedures.
The Management of
East Bay Raceway Park