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RULES
1 COMPETING MODELS - 1969 and newer American made full frame cars
with a minimum of 108" wheelbase as factory listed for that
year and model. No Firebirds, Camaros, Mustangs or two passenger
sports cars. No convertibles, station wagons, or using of their
frames for other models. Body and frame parts must be from same
year, make and model. If you are in doubt about the eligibility of
a make or model, CHECK BEFORE YOU BUILD IT!
2 WEIGHT - Minimum weight shall be as follows: 3200 pounds with
the driver. No car will be allowed to have more than 53% left side
weight with the driver. All added weight must be bolted to the
inside of the FRAME RAIL and above the lowest edge of the frame
where weight is mounted. No weight may be added to any crossmember
of the frame. Dislodged weight cannot be returned to the car after
the race. Gasoline, water and oil may not be added after the race
to make weight.
3 ADDED CAR WEIGHT - Added weight must be in block form of no less
than five (5)
pound blocks (no pellets). Added weight must be securely bolted to
the frame rail and painted
white with the car number stenciled in black. No added weight will
be permitted inside the
drivers compartment. Weight must be welded in a box or attached
with two or more grade 8
bolts minimum 7/16 dia.
4 DETAILED BODY REQUIREMENTS - Body must be straight and stock,
mounted in the stock location on the frame. No lowering, chopping,
channeling of any body parts or roof. Stock window opening must be
maintained. All exterior chrome trim, ornaments, outside mirrors
and door handles must be removed. No flat sided body panels will
be allowed. No body skirts or lower body rocker panel flares. No
spoilers anywhere.
5 GLASS - All glass except windshield must be removed. No side or
rear windows. full
windshield is required made of glass or 1/8" polycarbonate
glass. windshield must have two
safety straps on the inside and out. No cracked windshields will
be allowed. All lights and
lenses must be removed from the car. Headlight and taillight
openings must be covered.
6 REAR VIEW MIRROR - One mirror mounted in the upper center of the
windshield no larger than 8"x 2". No multi-image or side
mirrors.
7 DASHBOARD - Plastic and glass trim must be removed and covered
with sheet metal.
8 FIREWALLS - Front firewall must be totally stock with all holes
covered with sheet steel a
minimum of .031" thickness. Rear firewall must be made of
.031" sheet steel securely
installed over the rear seat back brace and top shelf, completely
closing off the trunk
compartment. No aluminum Rear firewall must follow stock
configuration. Full stock floor
pan must be maintained. Floors may be patched with 031" sheet
steel but cannot be replaced.
9 DOORS - All doors must be welded or bolted shut.
10 FENDERS - Full front and rear fenders are required. Inner
fender wells may be removed from front fenders. Fender angles must
remain stock. Wheel openings may be trimmed a maximum of 5"
from the outside edge of the tire for clearance. Stock fenders
only.
11 GRILLES - Stock unit may be replaced with screen between
headlight doors and stock grill frame. No car will be permitted to
run with an open front grill area.
12 HOODS - Full stock hood must be in place at all times.
Reinforcing inner panels may be removed. Hood must be held closed
with quick release pins. Hoods must lay flat and fit the same as a
stock hood without bows or bubbles in the center. Hood must be
sealed at firewall, windshield and fenders.
13 TRUNKS - Full stock trunk lid must be run. Lid must be held
with quick release pins. All openings in rear panel must be
covered. Truck floor under fuel cell must be removed.
14 BUMPERS - Stock automotive type only. Bumpers must be in the
original position and must not be reinforced. Bumper should be
welded to brackets. The outside ends of the bumpers must be
attached to the body to prevent hooking. No truck, bus, taxi or
cow catcher bumpers.
15 IDENTIFICATION AND MARKING - See track rules
16 GENERAL ENGINE REQUIREMENTS - Engine must be OEM with cast iron
production block, heads, intake and exhaust manifolds. ENGINES
ALLOWED: GM 350,
FORD 351, MOPAR 360. Any other engine must be approved. Stock
stroke must be
maintained. Maximum overbore .030" from stock. No deflashing,
abrasive cleaning, grinding,
welding, Teflon coating or deburring of cast parts. Engine must be
in stock location in the
chassis.
17 DETAILED ENGINE REQUIREMENTS:
BLOCK , CRANKSHAFT, CONNECTING RODS, PISTONS, HEADS, VALVES, VALVE
SPRINGS, RETAINERS, ROCKER ARMS, CAMSHAFT, TIMING CHAIN, WATER
PUMP and PULLEYS - Stock for year, make and model.
OIL PAN - Stock for year, make and model. Baffles may be
installed.
18 INTAKE MANIFOLD - STOCK CAST IRON PASSENGER CAR MANIFOLDS OF 2
BARREL DESIGN ONLY! MANIFOLD MUST BE ONE THAT WAS USED WITH A OEM
TWO BARREL CARBURETOR. NO THROTTLE BODY MANIFOLDS ALLOWED. You are
required to have an UNALTERED stock manifold. NO porting,
polishing, acid dipping, deburring, de-flashing, abrasive
cleaning, internal painting, milling, cutting, drilling holes,
enlarging bolt holes, matching of ports or welding. ABSOLUTELY NO
MODIFICATIONS OF ANY KIND. A track supplied stock intake manifold
must fit your engine complete with stock gaskets. All bolt holes
must be in alignment and same size as stock.
19 CARBURETOR - The only approved carburetor shall be the Holley
two barrel model
# 4412. ALL PARTS MUST BE A HOLLY PART FOR THE 4412.
(1) Body of Carburetor: No polishing, grinding or drilling of
holes permitted.
(2) The choke may be removed, but all screw holes must be
permanently sealed.
(3) Choke Horn: Choke horn may not be removed.
(4) Boosters: Boosters may not be changed. Size or shape must no
be altered. Height must remain standard. (5) Venturi: Venturi area
must not be altered in any manner. Casting ring must not be
removed.
(6) Alterations to allow additional air to be picked up below the
opening of the venturi such as altered gaskets, base plates and
drilling holes into the carburetor will not be permitted.
(7) Base Plate: Base plate must not be altered in shape or size.
(8) Butterflies: Stock butterflies must not be thinned or tapered.
Idle holes may be drilled in
butterflies. Screw ends may be cut even with shaft but screw heads
must remain standard.
(9) Throttle Shaft: Shaft must remain standard and must not be
thinned or cut in any manner.
20- CARBURETOR SPACER - Only one solid spacer made of aluminum or
phenolic plastic of a maximum height of 1” permitted. Only one
.075" max. gasket per side. No wedge shaped mounting
surfaces, both top and bottom surfaces must be parallel. Spacer
can be no larger than base of carburetor. Port holes or hole must
be vertical to the surface with no beveling, tapering, or flaring.
No additional openings for the induction of air allowed. All
spacers must be approved by Track Officials.
21 AIR CLEANER AND AIR FILTER - Only round dry paper air cleaner
elements of a minimum 12" -maximum 14" diameter will be
permitted. Maximum of two (2) inches in height. All air must be
filtered through the element. Top of the air cleaner must be solid
with no holes. Metal top and bottom of the air cleaner must be of
the same diameter. No air induction, ducts, baffles, tubes or
funnels which may control the air leading to inside of, or between
the air filter and carburetor. The air filter base must have a
minimum round opening of 5 inches. No plastic air cleaners or
parts.
22 ELECTRICAL SYSTEM - BATTERIES - Battery must be placed under
the hood on the
right side of the engine compartment. It may be placed in the
heater box in the front firewall
but must be totally enclosed. A clearly marked battery disconnect
switch must be installed on
the right side of the dash area.
23 IGNITION SYSTEM & STARTER - Stock for year, make and model.
24 Radios or scanners are not permitted at any time in the race
car including practice or warm-ups. No antennas allowed on car.
25 ENGINE COOLING SYSTEM - Passenger car radiators only. radiators
may be interchanged between makes and models but must be stock.
Radiator must be in stock location. All cars must be equipped with
an overflow catch-can of at least 1 gallon capacity mounted under
the hood. Stock radiator support must be in stock location.
FAN - Electric fan may be used in place of stock unit.
26 ENGINE EXHAUST SYSTEM - Exhaust manifold must be from sedan
type passenger cars only, no truck, sports car (Camaro, Firebird,
etc.) or after market exhaust manifolds. Stock for year, make and
model. Pipes must exit behind the rear edge of the doors, ahead of
the rear tires and to the outside edge of the doors. Only one pipe
per side of car. Maximum pipe size 2 1/2". No merge x-pipes,
balance tubes or 2 into 1 systems allowed. No modifications of any
type are allowed on the muffler. Both flanges must be intact. No
stainless steel mufflers. Mufflers must be removable for
inspection.
Thermal wrap is not permitted anywhere on exhaust system.
27 TRANSMISSION - AUTOMATICS ONLY. Stock for year, make and model.
No Powerglide or two speed transmissions.
TORQUE CONVERTER - Full size stock torque converter for make &
model car. Torque converter must be operational.
28 DRIVESHAFT - Steel driveshaft only. Driveshaft must be painted
white for safety. Two
1/4 X 2" steel driveshaft hoops must be placed around the
front and rear of the shaft. stock
length must be maintained!
29 REAR AXLE - Stock for year, make and model. No posi-traction,
locked of welded differentials. Each drive wheel must turn
independently.
30 WHEELS – . Racing wheel allowed on right front only and 2”
maximum offset. The other three wheels must be stock steel wheels.
Seven inch maximum width for all wheels. No plastic, aluminum or
mag wheels allowed. Wheels may be reinforced to prevent their loss
during racing. Plating, washers or double nuts allowed. Stock
offset wheels only All wheel studs must be minimum ˝ magnetic
steel with
magnetic steel racing type lugnuts, and must extend a minimum of
˝ inch beyond the
outside surface of the lugnut. NOTICE: A participant competing in
any race at TIOGA Motorsports Park, specifically agrees that
he/she acknowledges that it is illegal to soak or treat racing
tires and that said soaking or treatment of racing tires is
against EPA regulations and further contains carcinogens and
hazardous material which are unfit for his/her health and the
health of all competitors and spectators. Any participant found
violating the rule will be subject to suspension.
31 FRAMES - All frames must be stock for year make and body
32 SPRINGS - Stock diameter for year, make and model in stock
position only. No helper springs or traction bars. Adjustable
steel spring spacers may be used. No stacking bolts.
Stock sway bars may be used front and/or rear.
33 SHOCK ABSORBERS - One shock per wheel mounted in stock position
only. Any standard OEM type shock which will fit in stock mounting
position. Gas shocks are permitted. No air shocks.
34 A-FRAMES – Upper and lower must be stock for year, make and
model. Stock rubber
bushings may be replaced with aftermarket bushings with zero
offset.
35 SPINDLES AND HUBS - Stock for year, make and model. No cutting
or welding of any
suspension parts permitted
36 STOCK TREAD WIDTH MUST BE MAINTAINED.
37 WHEELBASE - The wheelbase must be within 1/2" of stock on
each side of the car.
38 GROUND CLEARANCE - A minimum of six (6) inches of ground
clearance must be maintained at all times measured at the lowest
point of the frame rail. No part of frame, body, sheet metal or
bumper may be lower than 6" from ground. All ground clearance
requirements are with the driver in the car.
39 BODY HEIGHT - Minimum height for the roof is 53" measured
at the roof center line 8" behind the stock windshield
opening.
40 WEIGHT TRANSFER DEVICES - Other than spring spacers, none
permitted..
41 STEERING COMPONENTS - Stock for year, make and model. Stock
steering shaft length must be maintained. No tilt wheels.
42 STEERING WHEEL - An approved quick release steel coupling on
steering wheel is recommended. Center-top of steering wheel must
be padded with at least 2" resilient material.
43 BRAKES - Stock for year, make and model. No adjustable
proportioning valves allowed.
44 FUEL CELL - Fuel cell is mandatory. Cell must be located in the
trunk area. Cell must be centered between the frame rails and no
lower than the lower edge of the rear frame rails. Fuel line must
run under the floor and a clearly marked on/off valve must be
within reach of the driver. The gas cap must be painted white with
the car number on it for identification.
45 DRIVING SUITS & HELMETS - 1 piece Fire proof suits only.
Helmet must be full face and snell 95 or newer.
46 SEAT BELT & SHOULDER HARNESS - 5 point harness system.
47 SEAT -. Aluminum Racing seat MANDATORY. No fiberglass or
plastic seats. Seat must be in stock location. No laid back seats
48 ROLL BARS Roll Bar Installation
1. Vehicles must be equipped with a roll bar. The roll bar must be
located directly behind the driver and reach as close as possible
to the roof and left side of the car.
2. Roll bars must be welded directly to the frame. Roll bar
material used must be a minimum of 1-3/4 inch diameter mild steel.
Minimum thickness 0.090 inches. No pipefittings galvanized pipe,
exhaust pipe or conduit allowed. All welding must be electric.
Roll bar supports must be back braced from hoop to rear car frame
at an approximate 45-degree angle.
3. Driver compartment bracing must remain inside the driver’s
compartment and may not dissect, bisect or pass through either the
trunk or engine firewalls.
4. Roll bar installation is subject to inspection and will be
closely scrutinized.
5. 6 point roll cage minimum required. Must have minimum of 3 bars
on driver’s side door and two on right side door
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NOTICE – Competitors are solely and directly responsible
for the safely of their race cars and racing equipment and are
obligated to perform their duties (whether as a car owner driver
or crew members) in a manner
designed to minimize to the degree possible the risk of injury to
themselves and others.
The rules in this division
are intended to make racing less expensive and keep competition
equal as possible. While these rules offer a good outline, every
item cannot be covered by a written rule. If you come up with
something not covered in the rules, PLEASE ASK FIRST!
No equipment will be considered as having been approved by reason
of having previously passed through inspection unobserved. No car
will be considered as having passed inspection for the event until
the finish is made official.
DEFINITION OF STOCK: In the following Rules you will see the term
OEM Stock used. This means Original Equipment Manufacturer. The
parts must come on a standard production car. Special
"Off-Road" or racing parts will not be permitted unless
preapproved. No carbon fiber or titanium engine or chassis parts
unless approved by track officials.
ILLEGAL ITEMS - Absolutely NO removal of, alteration of, or
covering of casting numbers, part numbers, manufacturers name,
logo, insignia, etc., from any item on the race car. to do so
makes a part illegal and will be treated as such. if you come up
with a rare part that we cannot find listed for passenger car use
the burden of proof is on you! At any time you may be asked to
remove a head, manifold or possibly an entire engine for
inspection. Failure to comply will result in the same penalty as
if it were illegal.
INSPECTION - All model, engine or equipment changes or
modifications not specifically addressed in this rule book must be
submitted to Tioga Motorsports Park for consideration of approval.
All equipment is subject to the approval of Track Officials
Equipment will not be considered as having been approved by reason
of having passed through inspection unobserved.
Any equipment that does not conform to specifications or
tolerances contained in this rule book or is not otherwise
approved by Tioga Motorsports Park may not be used in competition.
The rules in this book may be added to, deleted from or changed at
any time with the only notice to be given at the event drivers
meeting. All officials decisions are final, non-appealable and
non-litigable. Technical bulletins will be issued as needed.
NOTE:
ALL CARS Must Be Neatly painted and lettered. No triple digit
numbers. No letters for numbers.
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