THIS IS A
PROTEST DIVISION
No radios.
Raceceivers
mandatory.
BODIES
1. Late Model
bodies Optional
with 8"spoiler.
Lexan only.
2. All bodies
must remain
stock appearing
(see late model
drawings).
3. After market
steel and/or
aluminum bodies
may be used and
must remain
stock appearing.
4. NO
fiberglass
bodies allowed.
A fiberglass
roof and hood
are allowed.
Must be able to
prove that these
items meet fire
retardant
standards.
5. Stock-type
nose pieces are
optional.
6. No lowering
of roofs.
7. Factory-type
bumpers or round
tubing in
original
location. NO
SHARP EDGES.
ALL BUMPERS MUST
TURN BACK TOWARD
FRAME.
8. No wings,
no mirrors.
9. Skirts
allowed 6" below
front bumper.
10. TUNNEL...
Full firewall
(right half) is
no longer
required as long
as the interior
of car is boxed
in. Drivers’
side must have
full
floorboard. Drivers’
seat must be 3"
ahead of left
rear wheel.
11. Must have
tow hook on
front and rear
of car.
12. FULL
WINDSHIEL SCREEN
MANDATORY.
(maximum 1x2
square).
13. Pick-up
truck bodies -
OK. Must have
truck type nose.
CHASSIS AND
SUSPENSION
1. Steel tubular
clip chassis or
stock clip
chassis are
allowed.
No aluminum or
titanium allowed
in chassis
construction.
Rear frame
optional.
Minimum wheel
base is 103
inches + or - 1
inch.
Any round tube,
square tube or
rectangular
tubing with
minimum 1 ½ inch
X .083” wall
tubing.
Cars must have a
suitable steel
roll cage in
drivers
compartment
including seat
bracket and head
rest mounted
safely.
A minimum of
three (3) door
bars are
mandatory on
drivers side of
roll cage. Each
door bar must be
round tubing
with a minimum
of 1 ½ inch X
.095” wall
thickness.
All cars must
have either a 16
gauge steel
plate welded to
outside of door
bars or a ¼”
aluminum plate
bolted to
outside of door
bars. This
plate must reach
from lowest door
bar to highest
door bar and
from behind
driver’s seat to
at least 6
inches in front
of seat.
Roll cage must
extend at least
1” above drivers
helmet.
Roll cage must
be welded to the
frame.
2. Frame to
body or motor to
frame optional.
Engine to body
optional.
3. Front
suspension,
steering box,
steering
quickener, rack
and pinion, and
a-frames are
optional.
4. SHOCKS:
Racing shocks
allowed.
STEEL bodied
shocks ONLY.
Coil-over and
coil-over
eliminators
allowed. Spring
size
optional. NO
aluminum,
canister or
remote reservoir
shocks
allowed.
SHOCK CLAIM RULE:
All shocks on
any car are
claimable for
$200 per
shock. This
must be done by
driver on front
straight,
immediately
following finish
of race.
$200
cash per shock
must be given to
flagman
before leaving
racing surface
to go to tech.
If
leave racing
surface, there
will be no
claim.
Only drivers
finishing on
lead lap can
claim
any shocks on
cars finishing
ahead of them.
No claim on any
car finishing
behind claiming
driver.
5. Steering
rods may be
shortened or
lengthened.
Tie rod
ends may use
steel or
aluminum
adjustment
sleeves
plus
heim tie
rods. STEEL
HELM JOINTS
ONLY. NO
aluminum or
titanium.
Aftermarket
spindles OK.
6. Sway bars
and safety hubs
on front are
optional.
7. Rear
suspensions
optional. i.e.
Coil, coil-over,
coil-over
eliminators, or
leaf springs
allowed. No
mismatches: i.e.
leaf/coil
combination.
Must be same on
both sides of
rear. No
fiberglass or
carbon fibre
springs.
Sliders on rear
leaf cars
permitted.
4-bar or 3-bar
suspensions are
allowed. Fifth
coil set-ups on
lift bars
allowed. All
trailing arms or
heim joints on
rear suspension
must be steel.
NO aluminum
trailing arms or
heim joints.
Birdcages on
rear ends are
allowed. These
birdcages are
allowed to
swivel. Single
pan hard bars
may be used on
coil spring cars
only, but must
be approved by
Tech Inspector.
Heim ends may be
used for
mounting.
NO adjustments
while running.
D. REAR END
1. Rear End may
be locked,
Interchanged in
rear end
permitted. 2"
offset rearends.
Quick change
optional. Stock
floaters
optional. No
Detroit lockers
or any other
rachet type rear
end; spools are
authorized,
steel
or aluminum.
2. Rear safety
hub. Dual
spline axle
(safety hub)
will be
allowed.
Grand National
type.
E. BRAKES
Brake and clutch
pedals may be
stock or after
market style.
Four wheel disc
brakes
permitted.
Stock type
only. All must
be operating.
Right front
brake optional.
F. DRIVE SHAFT
Stock with
safety strap or
chain. MUST BE
PAINTED WHITE.
May be altered
for length. NO
ALUMINUM.
CARBON FIBER
allowed.
G. TRANSMISSION
Stock type
transmission
only. Must
have operational
reverse gear.
Automatics may
remove torque
converter.
No Bert or
Quick-change
transmissions.
No aftermarket
transmissions.
NO direct
drive or in/out
boxes allowed.
H. CLUTCH
Any type clutch
in stock
location. No
ram couplers.
MUST HAVE A 3"
INSPECTION HOLE
IN BELL HOUSING.
I. RADIATOR
a. Must be in
stock location.
b. Aluminum
radiators
allowed.
J. ENGINE
1. Engine must
be stock except
for those items
specifically
spelled out in
these rules. NO
interchanging of
internal parts.
No high
performance
engines or
parts. ALL
accessories must
be powered by
engine.
MINI-STARTERS
ALLOWED. No
aftemarket
blocks.
Manufacturer
only.
a) Oil pump.
Engine oil pump
may be high
pressure and
high volume.
(stock
configuration)
b) If you are
running CHEV 400
block, you will
be allowed to
run cooling
lines to help
cool the
engine. Check
with TECH before
doing so. This
also applies to
all V8 engines.
2. Block:
Milling of block
permitted.
Porting or
polishing block
is not
permitted. NO
ALUMNUM BLOCK.
Lifter trays and
screen on top of
block allowed.
3. PISTONS:
Any flat top
piston, maximum
.060 overbore,
plus .015
tolerance.
Floating wrist
pins allowed.
a. Engines may
be balanced.
4. RODS AND
CRANKSHAFT:
Stock stroke for
block being
used.
a. 5.7" long or
5.65" long only
b. Any steel
rod.
c. Polished
stock rods.
d. Crank
balancing
optional.
e. Minimum
weight on crank
- 48 lbs.
5. HEADS &
VALVES
a. Any ratio
rocker arms.
b. All heads
must remain
within one
degree of 23
degree valve
angle heads.
Dart Heads,
World Products
Heads
4360 76cc
1.940" x 1.500"
valves with
11/32 guides)
Bare Heads
4361 67cc
1.940" x
1.500" valves
with 11/32
guides )Bare
Heads.
4362 76cc
1.940" x
1.500" valves
(medium duty)
with 3/8"
exhaust guides.
4363
4364
4345
4368
4369
Max 194 heads.
NO titanium
valves. Valve
retainer
optional.
Stainless steel
valves O.K. No
porting,
polishing or
gasket
matching. NO
ALUMINUM
HEADS. Ford
must run stock
valve spring
diameter and
push rod.
Screw-in studs
and guide plates
optional.
Roller rockers
optional. Valve
springs
optional,
machining of
head for large
valve spring
O.K.
6. INTAKE
MANIFOLD:
Any after market
4-barrell intake
may be used. No
porting or
polishing, or
gasket matching
allowed.
a. Maximum 1.65
inch height
adapter plate
between
carburetor
and intake
manifold. This
includes spacer
plus 2 gaskets.
b. No item or
device of any
kind may
protrude more
than a maximum
of 4" verticle
through the
hood.
7. ENGINE
LOCATION -
Tubular clip
chassis=
Chevrolet
engine-maximum
6” set back. No
Tolerance. Must
have 100 lbs.
added in front
of flywheel.
Ford
engines-maximum
6” setback.
Must have 50
lbs. added in
front of
flywheel.
Stock clip
chassis= 6”
set back. No
tolerance.
Engine may be
offset a maximum
2” from center,
measured from
ball joints.
8. CAMSHAFT -
Any flat tappet
cam and
lifters. No
mushroom lifters
or roller cams
1.50 rockers
only. Ford
engines, check
with tech before
building.
a. Because any
flat top cam is
allowed,
comparable
components to
the cam will be
allowed i.e.
lifters-slotted
rocker
arms-screw in
studs. Any item
not mentioned
here must be
identified and
reviewed by Tech
Inspector prior
to its use. (If
approved) Any
nonadjustable
push rod
allowed.
9. IGNITION
Any stock
factory
electronics
permitted. Dual
point
distributor may
be used as long
as one side is
blocked off and
functions only
as a single
point system.
NO external coil
wires on G.M.
electronic
dist. NO MSD
BOXES.
a. No MSD
boxes
allowed even if
a auto mfg.
provided a part
numbered after
market item.
b. One 12-volt
battery per
car. NO 18-volt
batteries.
c. No battery
inside driver's
compartment.
10. ALUMINUM
WATER PUMP
PERMITTED
K. FUEL SYSTEMS
1. NO ROTARY
FUEL PUMPS. NO
ELECTRIC FUEL
PUMP
* 2. Any
stock (GM TO GM)
fuel pump or
after market
pump. Carter,
Holley, etc. 8
lbs. pressure
MAX.
L. CARBURETOR
For all
divisions using
the Holley 4412
2 bbl.
Carburetor:
1. Must use 1
two-barrel
carburetor as
follows:
2. Holley #4412
500 CFM with
following
modifications
allowed.
a. Choke plate
may be removed.
b. Jets and
Power valve may
be changed.
c. NO Other
modifications to
increase air
flow.
d. Billett
metering blocks
allowed.
3. Only straight
type squirter
may be used.
Modifications to
the carburetor
or any of it's
components, or
substitution of
other than
Holley parts
without prior
permission of
East Bay Raceway
Park.
will cause the
vehicle to be
classified as
illegal. Screw
must extend
minimum of .060
protruding
through bar
(thread side).
4. Fuel tanks 22
gal. Maximum.
No electric fuel
pumps. Fuel
petroleum base.
(GAS!) Regular
pump type gas,
CAM2 or
equivalent. NO
TRICK
ADDITIVES...NO
ALCOHOL, etc.
M. WHEEL AND
TIRES
Refer to
No tire
softeners. NO
soaking of
tires. NO
preheating of
tires. No
chemicals of any
type inside
tire except
oxygen or
nitrogen.
If found, tires
will be
confiscated and
driver will
receive a
minimum $500.00
fine, loss of
all points
accrued to date
and/or possible
suspension.
This could turn
into EPC problem
if continues.
No grinding or
removal of
factory
markings.
N. EXHAUST
SYSTEMS
Headers or stock
exhaust
manifolds O.K.
Mufflers
mandatory at all
times. Cars
must finish
races with
mufflers.
Approved track
mufflers.
1.
Schoenfeld
#112535
Mandatory
2. Turn Downs
are optional.
MUFFLERS ARE
MANDATORY
All mufflers
must remain on
vehicle and be
in working
condition
through-out
race.
98 decibel
maximum measured
at trackside.
Definition of
stock means no
modification to
factory parts or
factory
specifications.
WEIGHT - Total
weight minimum
after race with
driver
Stock front clip
cars= 2650 lbs.
Stock front clip
cars with 602
crate motor=
2600 lbs.
Tubular clip
cars= 2800 lbs.
Tubular
clip cars with
602 crate motor=
2750 lbs.
All tubular clip
cars with
Chevrolet engine
must have 100
lbs. mounted in
front of
flywheel.
All tubular clip
cars with Ford
engine must have
50 lbs. mounted
in front of
front of
flywheel.
NO TOLERANCE!!
Top 5 finishers
must go across
scale after
feature and then
report directly
to TECH SHED.
Tech inspector
will inspect
first five and
anyone else
track sees fit.
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