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SECTION 17
PURE STOCK (FWD) RULES
A. BODY AND CHASSIS
B. ENGINES
C. DRIVE TRAIN COMPONENTS
D. BRAKES
E. SAFETY
Notice # 1: The Pure Stock division is new for the 2006 season. It was added in an
attempt to provide a more affordable option to racing. Due to the many makes and models
available for use, restrictions and minor changes may need to take place during the
season as we learn more about this new division.
Notice #2: Any interpretations of the rules are left to the officials, whose decisions are
final. Just because it is not written, does not mean you can do it. The two words to
remember in this class are STOCK ONLY. In the event a car is deemed to have illegal
parts the car is subject to being banned from all future race events at Spartan Speedway and
Springport Motor Speedway. The driver is subject to loss of points to date, all prize
money for the night and suspension from property.
Notice #3: If you are considering building or purchasing a Pure Stock we highly recommend
you receive pre-registration approval prior to doing so. There may be cars that have
been
permanently suspended at Spartan or SMS because of rule infractions.
A. BODY AND CHASSIS:
Any American made FWD V-6 model (no convertibles, 2 seat coupes, super charged or turbo).
The vehicle must remain in its original form. No alterations are allowed unless
specifically stated in these rules. (See notice #3)
a) Wheel base minimum: 104.5"
(NOTE: Small-bodied cars not allowed. If you're unsure, call first)
b) Weights: (post race with driver) 3000 lbs.
(3800, DOHC, multi-valve add 100 lbs.)
c) Bumpers must be stock appearing.
d) Tow hooks are required.
e) All doors must be welded shut.
f) Rub rails are allowed (no sharp edges).
g) Must be able to open trunk and hood without use of special tools. Hood pins required.
h) Rear and side glass must be removed. Windshield may stay or be replaced with 1/8"
thick Lexan. All other glass must be removed including but not limited to taillights,
headlights, turn signals, mirrors, plastic, upholstery, carpet, etc.
i) Any after market add ons must be removed. Ex: trailer hitch
j) The battery may remain in the original factory location provided it is in a safe
location and securely mounted. If the battery is relocated, it may only be relocated to
the trunk area. Batteries mounted in trunk must be secured by (2) two 1" metal
straps. No batteries mounted in driver's compartment.
k) Fuel tank to be mounted in trunk and secured with (2) two 1" metal straps (made
for racing for fuel cells are recommended). May run plastic gas tank if it is located in
front of rear axle, under floor pan and is fully covered with a steel skid plate. Fuel
lines must run below floor pan. Tanks that are mounted in the trunk must have protective
hoop and 10" of ground clearance.
l) Front fender inner liners may be removed.
m) No frame alterations of any kind allowed.
n) No adjustable shocks or struts of any kind allowed.
o) Must have stock floor plan to rear axle and all holes in fire walls must be covered
with sheetmetal.
p) Must have battery kill switch mounted on "A" pillar.
B. ENGINES:
a) Stock only in stock location. No aftermarket parts.
b) Single exhaust only. Maximum 2.0" OD. Last 6" of exhaust must exit behind
driver and be fully visible. No exhaust leaks allowed.
C. DRIVE TRAIN COMPONENTS:
a) Stock automatic only. Cooler are allowed.
b) Stock diameter working torque converter only.
c) No aluminum wheels. Steel wheels only, stock for that year, make and model.
d) 1" Lug nuts are required.
e) D.O.T. Street radials only. No bias ply, made for racing tires. Maximum width 235. No
less than 60 series (no 55, 50, 40). Minimum tread wear rating of 300. All 4 tires and
wheels must be the same size.
D. BRAKES:
a) Must have 4 wheel hydraulic brakes in working order.
E. SAFETY:
a) A four point cage with four driver's side door bars, three right side door bars and
a 1/8" steel plate on driver's side door bars from front upright to rear upright
and from top door bar to frame rail is mandatory. A front hoop may extend into the
engine bay area. Tubing must be .095 gauge, 1.75" O.D. and must be padded around
driver.
b) Made for racing aluminum seat, properly mounted is required.
c) Quick release five (5) point safety belt with three (3) inch minimum belt width harness
securely mounted to roll cage is mandatory. The belts must also contain the original
certified date tag and must be less than 3 years old.
d) Driver's side window net with quick release is required.
e) A 2 lb. currently dated B or C type dry chemical fire extinguisher is required within
driver's reach.
f) Fuel injected vehicles are required to have fuel pumps wired to stop any fuel from
being pumped when engine is not running.
g) Steering wheel center must be padded. Quick release steering wheel optional.
h) Refer to section 4 for additional safety requirements.
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