Sport Stock Rules
for 2008
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 EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM
PUBLICATIONS OF, OR COMPLIANCE WITH THESE RULES AND/OR REGULATIONS. They
are intended as a guide for the conduct of the sport and are in no way a
guarantee against injury or death to a participant, spectator or
official.
The race directors shall be empowered to permit minor deviations from
any of the specifications herein or imposed any further restrictions
that in his/her opinion do not alter the minimum acceptable
requirements. NO EXPRESSED
OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM SUCH ALTERATION OF
SPECIFICATIONS. Any
interpretation or deviation of these rules is left to the discretion of
the officials. THEIR
DECISION IS FINAL.
The fine for
illegal parts will be $250, 30-day suspension, and loss of points at all
participating tracks. If
found to be illegal after the track point season has ended, loss of all
points at all tracks will still apply.
All tracks will support and enforce any suspension imposed by
another track.
A.
BODY RULES:
1.
Any American or Canadian made car with minimum factory specification of
108-inch wheelbase.
2.
No vans, trucks, station wagons or convertibles.
3.
Minimum weight with driver is 3500 pounds, with 1750 lbs on front.
4.
No reinforcing, cutting
apart, welding or modifications of anything on the vehicle is allowed
except as specified.
5.
All glass and burnable materials must be removed.
6.
Hood may be gutted.
7.
No gutting of firewall, floor pans and trunk floor (See K-6, Fuel
Cells).
8.
Front wheel wells may be removed.
9.
All doors must be welded or bolted shut.
10.
Engine must remain in original position.
11.
A drive shaft hoop is required and must be located 6” to 12” behind
front u-joint. The hoop
must be made of 1/4 “ x 2” steel
and, if bolt-in
type used, must be mounted with graded hardware.
Hoop must be 360 degrees around shaft.
NO chain allowed.
Drive shaft must be painted white
12.
Rear bumper must be stock mounted and tied to rear fenders with straps.
13.
No gutting of bumpers — front or rear.
14.
A short piece of chain must be bolted through a hole in the bumper and a
hole in the frame to prevent the bumper from falling off.
This applies to both front and rear bumpers.
15.
Must be stock front bumper is OK.
You may replace your factory shock absorber mount with pipe no
larger than 1 ¾” .095 tubing.
Straps from front bumper to fender are allowed and recommended.
16.
Body must match frame and wheel base.
17.
Rub bars may be used on the sides of the car.
Rub bar maximum 2”
x 3”tubing with tapered ends.
18.
Sheet or roll plastic or an aftermarket nosepiece may be used.
B.
ROLL CAGE:
1.
A six 6-point roll cage is mandatory: must be 1 ¾”
0.095” tubing one post by each windshield post and two behind the
driver with all four connected at the top with a roof hoop.
You must have an angle brace from the driver’s front of the roof
hoop to the right rear of the roof hoop.
You must have an angle brace running from the upper right corner
to the lower left corner behind the driver.
The two back bars must run from the top left and top right of the
roof hoop to the rear of the car.
We recommend a protective bar running from the front left cage
post forward and down to the frame to protect the driver’s foot area.
There should be a minimum of 3” form the top of the cage to the
top of the driver’s head.
2.
Minimum of four (4) 3/8”windshield bars.
3.
Minimum of three (3) door bars on the left side, 1 ¾”
0.095” tubing
4.
Must have a 18 gauge driver side door plate, Top to Bottom, 5” in front
of driver seat.
C.
SAFETY BELTS AND
SEAT:
1.
Each driver must have a fire extinguisher in his/her pit.
2.
Any racing seat is allowed, aluminum seats must be mounted to cage.
3.
Seat belts must consist of a 3” lap belt and double 3” shoulder belts
that release with one mechanism.
Seat belts must be mounted to roll cage.
4.
A driver’s side window net is mandatory.
Window net must be mounted with solid mount at the bottom of the
window and latch at the top.
Latch must be readily accessible by both driver and safety
personnel.
5.
Shoulder belts should be mounted a minimum of 6”
lower then driver’s
shoulders to keep the driver down in the seat in case of a rollover.
6.
Helmet must be a Snell approved full-face helmet.
Must be a minimum or SA 90 rating.
7.
Must have fire retardant driving suit, gloves, and neck restraint.
D.
ENGINE:
Stock!! Stock!! Stock!!
1.
Stock cast two or four barrel intake ONLY.
No
porting, polishing or gasket matching!
2.
No aluminum intakes. No
marine intakes.
3.
Limit of 1 3/8” carb spacer or adapter, including gaskets; measured
between intake manifold & carb base.
NO SLIDERS.
4.
Maximum 361 cubic inches (GM); 363 cubic inches (Ford); 370 cubic inches
(Chrysler). Maximum
compression ratio is 9.5 to 1, no tolerance.
5.
No porting of heads or intake or exhaust manifolds.
6.
Flat tappet hydraulic camshafts only.
No roller cams or roller lifters allowed.
No mushroom or step lifters allowed.
No machining permitted to install cam or lifters.
Must be able to remove lifter from top of lifter galley at any
time.
No truing of lifter
bore.
7.
No
center dump exhaust manifolds.
8.
No double hump heads.
(Casting number NOT
allowed: 186, 462, 461, 461x, 492, 432, 041, 040, 370, 10239906.)
No after market heads (Ford- no after market or SVO heads;
Chrysler-no after market or w-2 heads; GM-no Vortec heads or bowtie
heads)
9.
No headers, No roller cams, no roller tip rockers, no roller rockers
10.
Heads must match engine.
Example: 305 head on 305 engine.
11.
Piston must sit
below deck of block.
12.
Head can not be
angle milled.
13.
Stock stroke.
Crank must match block.
No offset grind.
14.
Rods must match
block. No Lightening,
grinding, knife edging or polishing of any type.
15.
Balancing is
allowed.
16.
Stock two-piece
balancer only, balancer must match crank.
17.
Aluminum water
pumps are allowed.
18.
Valve seats may be
ground no further then ¼ inch below top of seat.
Valve must match head being used.
19.
Stamped steel
rockers only. No stud
girdles. No guide plates.
Valley pans allowed.
20.
Valve springs must
be stock diameter for heads being used.
21.
Stock appearing oil
pan. Pan will go with claim.
E.
CARBURETORS AND
FUEL:
1.
One stock 2-barrel carburetor only.
2.
Front bowl Holley on Mopars only.
Motocraft on Ford only.
3.
No Marine carbs.
4.
All carburetor components must be STOCK.
5.
No milling or grinding allowed.
6.
Choke can be removed but not the air horn.
7.
Must have stock measurements.
8.
No electric fuel pumps.
9.
Fuel must be pump
gasoline only. 10%
ethanol-enriched gasoline may be used.
No alcohol, no nitrous oxide or nitro, no nitrous devices
allowed. No methane or
propylene oxide allowed.
F.
IGNITION:
1.
Ignition must be either point system or stock electronics (HEI).
No super coils.
2.
No Multiple spark boxes (like MSD).
G.
RADIATIOR:
1.
Radiator must remain in stock position and be operable. The portion of
the radiator mount that extends outside the frame rail may be replaced
with pipe to tie the fender to it.
2.
Extra cooler may be used.
It must be mounted inside the car and shielded from the driver.
An aluminum radiator from a stock production vehicle is allowed.
3.
Aluminum radiators are allowed, in original position.
If running an aluminum radiator only one radiator may be used.
H.
TRANSMISSION AND
REAR END:
1.
Must be Stock 3 or 4-speed automatic transmission only.
Must be fully functional in all forward and reverse gears.
No
lightening or removal
of internal
parts allowed.
2.
No powerglides allowed.
3.
Minimum of 10-inch diameter torque converter containing a minimum of
three quarts of fluid.
Torque converter must have a minimum .125”
plug. Must have approved scattershield constructed of .125-inch
by three-inch steel, 270 degrees around flexplate.
Flexplate must be full, unaltered OEM, or OEM replacement.
4.
Posi-traction or welded rear ends are required.
4:11 gears or numerically less. Aftermarket mini spool allowed.
No full spools allowed.
5.
No floater rear ends. OEM, or OEM replacement solid steel axles only.
Nine inch Ford rear end allowed, but must be mounted like OEM rear end
(centered) for that make and model. One inch inspection hole in housing
required. No lightened ring gears. Must be welded spider gears, or mini
spool. No torque dividing differentials
I.
1.
The battery must be moved inside the car and must be covered and
securely fastened in marine type case or steel box.
(NO TARP STRAPS).
2.
One battery only – must be 12 volt.
J.
BRAKES AND
SUSPENSION:
1.
Brakes must be factory stock including master cylinder, booster
optional.
2.
Drum brakes on rear of car only.
3.
All cars must have 4 working brakes at all times.
4.
No altering of suspension or steering.
Steering shaft with u-joints or slip joint is OK.
All suspension parts must match frame.
5.
No racing shocks. NO filing
of numbers off shocks.
Bilstein, Carrera, etc., “stock replacement shocks” are NOT stock shocks
and are, there fore, not allowed. No
“helper” springs or shocks (coil-over).
Front springs must be at least 5” in diameter.
Springs must be stock mounted.
No sliders on leaf cars.
No Multiple holed shackles. Racing springs allowed with no
adjustable spacers.
K.
FUEL TANKS:
1.
Fuel tanks must be moved into the trunk area.
Trunk floor may be gutted for fuel cell only BUT no more then 2
inches around cell. If fuel
cell protrudes below trunk floor, a fuel cell guard must be in place.
This guard will consist of a piece of tubing, minimum of 1 ½
inches in diameter, 1 inch below the cell and from frame rail to frame
rail. The bottom of the
fuel cell cannot be lower than the bottom point of the stock frame rail.
Fuel tanks or fuel cell must be mounted to the roll cage.
2.
Maximum capacity of fuel
tanks not to exceed 12 gallons.
3.
No stock tanks, fuel cells recommended.
4.
There must be a firewall between the driver and the fuel tank.
5.
Fuel tank must be securely mounted using a minimum of two (2) 2” steel
straps.
6.
If a fuel cell is used, it must
be in a metal container.
7.
No plastic boat tanks.
L.
TIRES AND WHEELS:
1.
Tires must be street design and no wider than 8” tread width with P255
60R15 being the largest 15”.
NO tire in less than 60 series is allowed.
No defacing or tires.
2.
No grips or racing tires of any kind whether DOT or not.
3.
No grooving or sipping.
4.
14”,& 15” by 8 “ max
Steel wheels only.
Racing wheels allowed. 3-4”
offset allowed, must be same offset all around.
5.
1” Lugnuts are mandatory.
M.
GENERAL RULES:
This class is designed for stock street cars only.
NO high performance or racing parts allowed on this car.
Suspension, engine and drive train must remain STOCK.
Any areas not covered in the above rules shall be left up to the
discretion of the management.
If in doubt – ASK.
We will uphold the intent of the rules.
N.
NUMBERING:
Cars must be neatly numbered using numbers form 1 through 99.
Numbers must be at least 18” high and 10 “ wide with a body of 3”.
Numbers must be painted on the door on both sides of the car and the
roof. A 6” x 6” plate with
the number painted on it must be placed in the front window and the rear
window.
All Numbers must be
of
contrasting color to the car.
Do not incorporate graphics into your umber.
Simple block numbers using the above dimensions and
contrasting colors are the easiest to read.
Do NOT paint number on the rear quarter panels.
Do NOT use shiny reflective or prismatic type decals.
O.
CAR APPEARANCE:
All cars will be
kept neat appearing. Tin hanging off cars and/or sharp edges will not be
tolerated.
P.
TRACK OFFICIALS MAY
TEARDOWN ANY CAR AT ANY TIME.
ENGINE PROTEST RULE
ELIGIBILITY AND FEES:
All race cars competing in the feature event are subject to being
protested. Any driver
competing in the feature event may protest providing his/her race car
meets the minimum weight and is otherwise legal under the rules and
he/she has registered his/her intent to protest with a track official
prior to the start of the feature race and has tendered the required
protest fee. The protest
fee shall be $50 for either the top end or the bottom end or $100 for
both. If after teardown,
the engine is found to be legal, 75% of the protest fee will go to the
protested driver and 25% of the fee will be retained by the track.
If after tear down, the engine is found to be illegal, 75% of the
protest fee will be returned to the driver who protested and 25% will be
retained by the track.
PROTEST PROCEDURE:
Immediately following the completion of the feature race, a track
official will notify the driver of the relevant race car that his/her
race car has been protested.
The protested driver shall the proceed directly to the “claim
area” where he will receive further instructions as to where the tear
down will take placed. A
track official will be assigned to stay with the protested car until the
tear down is completed.
SPECIAL PROVISIONS: Only
the driver may protest. A
driver may only protest one engine per race.
Only the tech inspector has the final word on the legality of the
race cars involved in the protest.
No person shall prevent or interfere with the protest procedure.
Only the driver and 2 pitmen from the protested car, the
protesting driver and 1 of his/her pitmen and the appropriate track
officials may be present at the tear down.
PENALTIES: If an engine is
found to be illegal, the driver of the protested car will forfeit all
points and money earned for the event at which the engine was protested
and will serve a 2-event suspension.
The 2-event suspension applies to both car and driver.
Refusal of a protest will result in the same penalties as above.
In the case of a protest refusal, the protest fee will be
returned to the driver who protested.
A second protest refusal by the same driver in the same racing
season shall result in loss of all points and money earned for the event
at which the engine was protested, a 4-event suspension for both car and
driver and loss of all points earned year to date.
ENGINE CLAIM
There will be an engine claim of $200 plus exchange.
The claim must be made within 5 minutes of the end of the feature
event. The claim can only
be made by the driver and the claim fee must be in
The claim includes everything
except:
carburetor, ignition, exhaust manifold, starter, water pump, fan belts,
pulleys, and fuel pump.
The refusal of a claim or the discovery of an illegal motor,
transmission, clutch, intake, exhaust or carburetor will result in a 30
day suspension for both car and driver and the loss of all points and
money earned that night, as well as all points year to date and a $500
fine. Suspension time must
be served and fines must be paid before the driver is allowed to race
again.
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