2. NO ROOFS of
any kind.
3. NO HOLES are
permitted in the
rear tail
section except
for the fuel
tank filler
opening.
4. The fuel
tank filler will
not be outside
the body.
5. The tail
section cannot
cover any
portion of the
rear tires.
Tail sections
shall be mounted
inside of the
frame rails.
6. The hood
must extend
beyond the front
of the radiator.
7. The front and
rear wheels must
be fully
exposed.
8. Nerf bars may
NOT EXTEND past
the outside
edges of the
tires, one-inch
tolerance.
9. The front
bumper may NOT
EXTEND more than
12 inches in
front of the
front tire.
10. The maximum
bumper and nerf
bar material
size allowable
is one inch O.D.
round tubing.
11. Open wheel
cars only are
permitted.
12. Wings:
Fixed top & nose
wings only. No
driver
adjustable
wings. Maximum
top wing size of
25 square feet
with 30 inch
side panels.
Maximum center
foil width of 60
inches. The
deepest point
allowed in the
top surface of
the wing will be
2 inches
measured from
top front of
wing to the
front edge of
1-inch turn up
of the rear edge
(or to the rear
edge, if there
is no turn-up).
Top surface of
the wing
measuring
crosswise must
be flat. No one
will be allowed
to compete
without top wing
(unless it is a
non-wing special
show). No
wicker bills or
additives to
center foil.
One inch, 90
degree angle
turn up allowed
at rear of
center foil
(maximum).
Center foil must
be one piece.
Side panels must
be 1 piece.
Side panels must
be straight
(front to back)
and 90 degrees
of top and
bottom of center
section of
wing. No
kick-outs or
bending of
sideboards. No
split wings.
Top wings must
not extend
beyond outside
of rear tires.
Maximum front
wing size is six
(6) square feet
total with a
maximum width of
36 inches and 12
inch side
panels. Two
stationary foils
on rudders will
be allowed to
run the entire
length of the
underside of the
top wing.
Maximum height
proportions are
one inch at the
front and three
inches at the
rear.
Must have 18”
number on top of
wing at an
angle.
No side foils,
rudders, or
panels are to
extend beyond
roll cage on any
side, no body
pieces to extend
beyond or
underneath front
torsion tube
except hood.
Sunshields
cannot restrict
vision. NO
wedges or foils
under race car.
No pieces may be
added to the
frame so as to
resemble,
imitate, or be
specifically
designed to
deflect, trap,
or form a wind
break of any
nature; except
those used to
cool/protect the
motor and
braking system.
13. Floor
boards must be
horizontal
relative to the
angle of the
body.
14. Motor plate
must be vertical
relative to the
angle of the
frame.
15. Sprint car
appearing tail
covers may be
used.
B. CHASSIS
1. The rear
roll bar must be
made of a
minimum 1-3/8
inch O.D.
tubing.
2. There must
be a minimum
2-inch clearance
measured from
the top of the
roll bar to the
top of driver's
helmet with the
driver seated
upright in
a natural
position in the
car.
3. The frame
material must be
made of a
minimum 1-3/8
inch O.D.
tubing. Round
or rectangular
tubing is
acceptable.
4. The minimum
allowable wheel
base is 84
inches.
5. The maximum
allowable wheel
base is 100
inches.
6. Maximum
width on the
front, measured
from the outside
of the tire to
the outside of
the tire is 72
inches, 1"
tolerance.
7. Maximum
width of the
rear, as
measured from
the outside of
the rear
tires to outside
of the rear
tires is 78
inches, no
tolerance.
8. The engine
must be mounted
in the center
line of the
chassis as
defined by the
cam shaft. A
maximum
tolerance of 1"
is allowed.
9. The engine
must be mounted
in an upright
vertical
position. No
tilting or
leaning allowed.
10. The maximum
rear-end offset
will not be more
than 3" as
measured from
the center line
of the quick
change to 44"
maximum to
outside
right rear
wheel.
C. SUPENSIONS
1. No
fiberglass or
carbon fiber
parts allowed on
the front axle.
2. Only straight
or dropped front
axles are
permitted.
(King pin types
only).
3. No A-Frame
or independent
front ends
permitted.
4. All rear
ends to be quick
change.
5. Front axles
to be a maximum
of 54 inches as
measured from
the canter
of the king pin
to the center of
the king pin.
D. DRIVE
TRAINS.
1. If stock
clutch used, it
must have 360
degree 1/4
scatter shield.
2. Type of
clutch used in
optional, double
disk, triple
disk or ram
couplers are
optional.
3. Drive line
or transmission
optional.
4. The
centerline of
the quick change
will be on the
center line of
the frame, with
a tolerance of
1".
5. Open drive
shafts or torque
tubes only.
6. Open drive
shafts must have
360 degree
protection
around front
yoke and
universal joint
for safety
reasons.
7. All torque
tubes to have
restraining
straps or loops
around front of
tube for safety
reasons.
E. ENGINES
NO FUEL
INJECTION TO BE
ALLOWED
1. Small block
American make
V-8 cast iron
engines only are
permitted.
2. The maximum
cube inch
displacement
allowed is 363
for Chevrolet,
365 for Ford,
365 for Mopar.
3. Any stock or
aftermarket
intakes
allowed. NO
porting or
polishing of
intake inside or
out. Matching
of ports within
˝” is allowed.
NO tolerance.
5. Must use
only one Holley
#4412- style
carburetor.
MUST PASS TRACK
GAUGES. No
porting or
polishing Must
have two
butterflies. No
throttle bodies
allowed.
Modifications
allowed: a.
choke plate may
be removed.
b. Jets and
power valves may
be changed.
c.
Billet metering
blocks allowed.
d. NO OTHER
MODIFICATIONS TO
INCREASE
AIR OR FUEL
FLOW.
e. Only straight
type squirters
allowed.
No spyder or
mist type
squirters.
f. Screws in
butterflies MUST
extend a minimum
of .060”
thru
bar (thread
side).
g.The maximum
venturi opening
is 1-7/16
inches.
h. NO DEMON OR
PREDATOR STYLE
CARBURETORS.
Modifications to
the carburetor
or any of it’s
components or
substitution of
other than
Holley parts
without prior
written
permission from
East Bay Raceway
Park
officials will
cause the
vehicle to be
declared
illegal.
8. Heads must
be steel.
Porting
polishing or
grinding are not
permitted.
Matching of the
ports within 1/2
inch of the
surface is
allowed.
Grinding within
1/2-inch where
the valve seats
are permitted.
No titanium
valves.
9. Kind of
valve springs
are optional.
10. Kind of
rocker arms are
optional.
11. No aluminum
heads.
12. Only the
flat tappet
camshafts
allowed.
13. No roller
camshafts or
mushroom tappet
cams are
permitted.
14. No roller
lifters or
mushroom lifters
allowed.
15. Cam timing
gears are
optional.
16. Re-indexing
of crank shaft
is not
permitted.
Strokers or
destrokers
are not allowed.
17. Only stock
crankshafts
allowed (cast or
steel).
18. No
lightweight
billet cranks
allowed.
19. Polishing,
clearance and
balancing of
internal engine
parts is
permitted.
Knife edge
creaks are not
permitted.
20. No dry sump
oil pumps
allowed. (Wet
sumps only.)
21. Manual fuel
pumps or
optional belt
driven pumps
only.
22. After
market heads are
limited to the
following:
CHEV-BOWTIES
FORD-SVO /
WINDSOR
MOPAR
DART
WEIAND
NOTE: FOR
THE 2007 SEASON,
THE HEADS MAY BE
REQUIRED TO
BE 23
DEGREES (+ OR- 1
DEGREE) FOR ALL
MAKES.
23. All engines
must P& G legal
within 15
minutes of the
end of the
racing event
as per race
track protest
rules.
24. Any pistons
are legal.
25. Any length
STEEL rods are
legal. Any
manufacturer.
26. Any
alteration or
grinding of the
manufacturers
name or ID on
crank is
not permitted.
27. Leaman-type
front covers are
not permitted.
28. Belt
driven, aluminum
water pumps or
cast iron pumps
only.
29. Any
aftermarket
racing oil pan
allowed.
30. Alternators
are optional.
31. Any type
headers allowed.
32. Mufflers
mandatory--track
approved.
F. FUEL
SYSTEMS.
1. Only plastic
racing tanks or
fuel cells are
permitted.
2. Alcohol or
gasoline is
permitted, but
no mixing. No
fuel additives
except
top
oil to be added.
3. No use of
nitrous oxide
allowed.
4. All fuel
systems to have
a fuel shut-off
between fuel
tank and fuel
pump.
G. WHEELS AND
TIRES
1. Steel or
aluminum wheels
only—16 inch
maximum. No
inner
liners. Bead
locks optional.
2. Front wheels
to be a maximum
of 8 inches
wide.
3. Carbon fiber
wheel is O.K.
4. All tires
must be approved
by
East Bay Raceway
Park
Tech; check with
tech for size,
width, and
diameter.
Approved Tires:
Right rear tire:
Hoosier F35
(Med.) SC or
F55 only.
Left rear tire:
Hoosier 88, 90
or 92 casing/
11.0-15LSB D35
or D55.
Front tires:
Hoosier 26.5 or
27.5/8.0-15 SCL
A40, D40 or H40.
5. No
tire softeners;
no soaking of
tires; no
preheating of
tires; no
chemicals inside
or outside of
tires 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 it
continues.
H. WEIGHT
1. The minimum
weight of the
car and driver
at the end of
the race must
be 1650 lbs.
with
transmission/1650
lbs. without
transmission.
2. The first
five finishers
and any cars so
designated by
track officials
must go directly
to the scales at
the end of each
race. Failure
to report to the
scales as
required will
result in a
disqualification
and forfeiture
of all points
and monies
earned for that
race date.
3. No allowance
for lost parts
(during course
of race) in
determining
the weight of
the car.
4. No adding of
weight to the
car after the
race has ended.
Any attempt
will be an
automatic
disqualification.
I.
SAFETY
1. All
drivers to
mandatory to
wear an S.F.I.
approved fire
suit, including
neck brace,
gloves and
shoes.
2. All helmets
to have a Snell
approval of at
least 2000 and a
lock-down face
shield.
3. Arm
restraints are
MANDATORY; if
restraints are
released during
ANY race, you
are
automatically
disqualified.
4. No mirrors
on cars.
5. Five-point
safety harness
not older than
three years of
manufacturers
date on
harness. (Belts
stretch in
accidents and
rollovers).
THESE RULES HAVE
BEEN ACCEPTED
AND APPROVED.
IF IT'S NOT IN
THE RULES IT IS
NOT ALLOWED.
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