2024 Thunder Stock Rules
Same as I-76 Speedway
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Welcome drivers to the fun and excitement of
Enduro Racing. Here is what an Enduro is all about. SPEED does NOT
necessarily count in an Enduro. The secret is the combined ability of a
driver and his car to last for 100 laps or one hour, on the race track
without a major mishap. This is NOT a Demolition Derby. The first car
will be the winner, or the car that travels the most amount of laps in
one hour can also be the winner. This is an event for the basic “STOCK CAR.”
Only minor modifications or alterations will be allowed. The race will
start with two or three cars abreast in each row from a rolling start,
and continue for 100 laps or one hour, with-out any yellow flags (unless
deemed necessary by officials for safety reasons). Cars that are stalled
on the track due to breakdowns or accidents may be left there as
obstacles, and all other cars should avoid them while continuing to
race. The driver must never get out of his car while it is on or near
the racing surface. Violators will be disqualified and ejected from the
race immediately may the driver get out and observe the race from the
safety of the infield. Once again, this is an endurance race event, NOT
A DEMOLITION DERBY! The best strategy is to pace yourself and stay out
of trouble, don’t crash into anyone and try not to let anyone crash
into you. Start with a good set of tires and avoid running over anything
that will cut them. The RED flag will be displayed only in case of an
emergency, and all cars MUST STOP IMMEDIATELY and hold their position.
The race will restart with all cars in the position they were in at the
Red flag. If your car catches fire in the engine compartment, go to the
infield and get out of it immediately. The fire crews will extinguish
the fire quickly. No cars will be allowed out of the pits during a RED
flag. Cars that have flat tires or need servicing, may go to the pits on
the GREEN flag. If you enter the pits on a RED flag, you will be held at
the pit entrance for one minute once the green flag flies again.
Re-entry to the track will be allowed as the ramp officials indicate.
Driver changes will be allowed only when the car is in the pits. Cars
entering the pits must slow down and proceed in an orderly fashion with
safety in mind. There is a $25 fine and/or a five lap penalty for
speeding in the pit area. Any car that cuts through the infield will be
BLACK flagged and/or assessed a five lap penalty. Rupture of gas tank
and/or fuel spillage will require immediate BLACK flag. Any loss of
wheel or tire requires the driver leaving the race track immediately,
either to the pits for repairs or park in the infield. Officials will
assess lap penalties or disqualify cars that are in violation of
procedures, specifications or safety, and their decisions shall be
final. ENTRY
INSTRUCTIONS: All minors under age 18 must have a
parent’s signed, notarized release and permission to participate in
the Enduro or to enter the pit area. PRE-ENTRY FEE for your Enduro car
is $25 payable by cash, check or money order, sent to the speedway
office for that race event date, or $40 if you register at the track on
the day of the event. 1) PRE ENTRIES must be received no later than two
business days before the event (Saturday event — Wednesday
registration due date). 2) CAR
NUMBERS: The numbers must be clearly displayed on each side of the car
and roof with at least 20” numbers. A minimum of 6” numbers will be
displayed on the rear of your car visible to the driver behind you to
ease line-up procedure. You may not use letters or punctuation in your
number. NO FOUR DIGIT NUMBERS PLEASE CAR
AND BODY SPECIFICATIONS: 1) Any
1955 or newer American made passenger car or station wagon having a
factory spec wheelbase of 108 inches or longer may be used. NO Camaros,
Mustangs, compacts, convertibles, trucks, El Caminos, Rancheros or 4 -
WD vehicles allowed 2) Steel bars of 5/16” or heavier material
spaced approximately 4” apart must be installed in the windshield
opening for protection. 3)
Roll cages with driver’s side protection required. 2) SAFETY
EQUIPMENT: Five-point race harness in good condition for driver and
passenger. A race seat constructed of aluminum, metal or fiberglass. NO
plastic seats. Helmets with a minimum of a Snell 85 rating (Snell 85,
90, 95 or newer). Fire suits are highly recommended, but not required.
If you do not wear a fire suit, a long sleeved shirt or jacket and long
pants are required. NO shorts, sandals or short-sleeved shirts are
allowed. Cars must have a fire extinguisher and window nets. Drivers
must have neck braces, and gloves. .ALL cars carrying passengers will have to abide by the following
safety precautions: Door bars required on passenger side, as well as
driver’s side. Race seat of same specifications for drivers is
required for passengers. Window net on passenger side is mandatory.
Passengers must abide by the same dress codes and safety codes of
drivers. NO EXCEPTIONS! 3) NO
nerf irons or outside bars. You may reinforce rear bumper. 1” O.D.
pipe or square tubing may be used to mount radiator - not for
protection. 4) A four-point roll cage with a minimum of four
door bars to protect the driver. The same is required on passenger side
for cars electing to carry a passenger. Race seats should be mounted at
least 8” from the door bars. All door bars and roll cage bars
surrounding driver and passenger should be padded. No
unnecessary cutting or gutting of the body is allowed. No gutting of
hood or trunk. Doors may be cut to allow for door bar clearance
only. Front and rear fenders may be cut to allow for tire clearance. 5) Front inner fenders may be removed. All sharp
edges must be rounded. No sharp bumper ends or body parts will be
allowed that may cut other competitors’ tires. All doors must be
welded, bolted or chained shut. Hood and deck lids securely fastened.
Hood and trunk hinges may be removed if the hood or deck lid is securely
fastened on all four corners. An open hood or door will result in an
immediate Black Flag. The rest of the body must be intact and stock
appearing. All holes and openings in front and rear of firewalls MUST be
covered using steel or aluminum. They may be screwed, bolted, welded or
riveted to the car. 5/16” minimum bars spaced 4” or less, vertically
across windshield opening are required. All glass, headlights,
taillights, and side chrome must be removed. NO
MIRRORS ALLOWED. NO RADIO COMMUNICATIONS WITH ANYONE IS ALLOWED. 7) No front bumper reinforcing. Stock
brackets may be welded to frame for safety only. Front and rear bumpers
may be welded or chained to the car. 8) No gutting of car bodies allowed. Full front
and rear firewalls must be in place. NO
BALLAST ALLOWED. 9) One gas tank only. If a fuel cell is used it
must be mounted in the trunk without cutting out floor panels. 10) Batteries may be placed inside of the car on
passenger side floorboard if properly fastened and covered for
safety. (Marine or RV heavy duty plastic boxes recommended)/ NO
BATTERIES IN THE TRUNK. 11) May run plastic front bumper cover. May use 1
˝” or smaller tubing to support the plastic front bumper. 12) Family-to-Family parts may be transferred from
one make to another as long as they are manufactured by the same
company. GM to GM, Ford to Ford, Chrysler to Chrysler. For example, you
may put a Chevy engine in a Buick body, since GM makes them both. SUSPENSION:
No modifying of the suspension is allowed. THIS MEANS NONE! All
suspension parts must remain absolutely stock for make, model and year
of car. No spacers, lumber, chains, racing or dual shocks allowed.
Original sway bars must have stock hook-up, the one exception is coil
springs as long as they are stock appearing. TIRES
AND WHEELS: Tires will not exceed 8-1/2 inches of
tread width; wheels will not exceed 8 inch wheel width. Tires must be
stock passenger tires only. NO studded snow tires. NO racing tires or
racing recaps allowed. Wheels must be steel and may be of heavy-duty
type, reinforced or plated centers, heavy-duty large lug nuts or washers
are recommended to prevent loss or breakage. TRANSMISSIONS
AND REAR ENDS: NO MANUAL TRANSMISSIONS. Any
family-to-family stock automatic and stock torque converters. Factory
posi-track okay. You may lock your rear-end. No coil over or helper
springs allowed. You may run lowering blocks on rear leaf springs as
long as they are same size on both sides. ENGINE:
Must be strictly stock. NO high performance parts allowed. Must be
family-to-family consisting of stock components. Engines must remain in
stock position. No more than a single stock 4- barrel carburetor. No
double pump Holley carbs. No fuel injection. No carb spacers. Intake
manifold must be stock only. No aftermarket. No porting or polishing.
Heads must be stock cast iron heads. No porting, polishing or special
machine work allowed. Flat top or dish pistons only. Hydraulic cam
shafts only. Max lift in all makes .410. No roller rockers, roller
lifters, screw in studs or aftermarket rocker assemblies allowed. Valve
springs, rockers and retainers must be stock. You may run adjustable
lock nuts on rocker arms. Exhaust manifolds must be cast iron stock
only. Boring is allowed but engine cannot be stroked. Oil
pans must be stock. No electric fuel pumps. No turbo chargers or
super chargers allowed. Chrome or aluminum valve covers, and air
cleaners are allowed. Ignition systems must be stock. No headers.
Radiators must be in stock position, and may be aluminum aftermarket.
Can run aluminum pulleys. INSPECTION:
A mandatory safety inspection will be conducted at the track. Top five
cars of each event must pass visual inspections. For $350 the winner is
subject to being torn down and inspected by removal of carburetor, valve
cover, intake and exhaust manifolds and heads. Second through fifth
place cars are subject to visual inspection by removal of valve cover.
Failure to comply with inspections will result in disqualifications,
forfeiture of prize money and/or points, as well as a one-race
suspension. POINTS:
Points will be awarded one point for each lap completed. Points are
awarded to the driver. RACEIVERS:
All drivers MUST HAVE a Raceiver. SCORING:
All teams must provide a scorekeeper. Scorekeeper will keep track of
their associated car for every lap. NO protest on scoring. |