Tazewell Speedway Four-Cylinder Rules
to passenger automobiles and pick up trucks (no station wagons, convertibles or
t-tops). Any year allowed. Absolutely no performance modifications are allowed
unless specified below. In general, anything that improves the performance of
the car over and above its factory capabilities is illegal. Anything to improve
safety is generally permitted.
Must retain stock OEM floor pan and firewalls
in stock location. Floor pan can be reinforced with steel plate. Any type of bodies
can be run as long as they have OEM floor pan and firewalls in stock location
(TRACK JUDGEMENT). Aftermarket front and rear bumper covers permitted (rear optional).
All glass, plastic emblems and trim must be removed. No bump bars. Spoiler 4"
max with 5" side boards.
Cars will be weighed before the race.
Cars with OEM stock engines must weigh a minimum of 2,100 pounds (with driver).
In order to qualify for this weight, you must have a completely stock engine except
for a header and Holly 4412 (500CFM) carburetor. Cars with engine modifications
must weigh a minimum of one pound per cc. For example, a car with a 2,300 cc engine
must weigh a minimum of 2,300 pounds (with driver). Cars with an aftermarket aluminum
head will add an additional 200 pounds to the one pound per cc rule with 100 pounds
of the weight to go in front of the bellhousing. For example, a car with a 2300
cc engine and an aftermarket aluminum head would weigh a minimum of 2500 pounds
(with driver). Cars with a stock aluminum head will add an additional 100 pounds
to the one pound per cc rule. Any car that fails the weight requirement before
the race will add the weight and start in the rear. Minimum weight is 2200 pounds
for steel head engines, cars with stock aluminum or aftermarket aluminum heads
must add weight as mentioned above.
All weight added to the car must
be securely mounted with a minimum of two 3/8 grade 8 bolts. It must be painted
white and the car number must be visible.
Any weight dropped on the racing
surface will result in immediate disqualification.
All steering components must remain
stock. Suspension must remain stock. Racing shocks and springs permitted. Shocks
must mount in stock location. No coil-overs, jackscrews or adjustable shims permitted.
Strut car may remove inner fenders and replace upper strut mounts to roll cage
but must remain in stock location.
Stock frames only.
May be reinforced. No tube frames allowed.
OEM rear end or Nine Inch Ford rear-ends only. May be locked. Any gear allowed.
Stock OEM type transmissions only. Must have
all working forward and reverse gears. Any flywheel allowed. No modifications.
No exceptions. Racing clutch allowed, no ram couplers or direct drives. Bell housing
must have a two inch inspection hole in the bottom to view flywheel and clutch.
If not, removal of transmission may be required.
Four cylinder engines only. One spark plug and two valves per cylinder. Engine
must match body.
Holly 4412 (500CFM) will be the only carburetor permitted.
No modifications will be permitted other than the choke being removed. Adapter
permitted not over 2 1/2 inch. Choke horn must remain intact. All cars must have
an operating starter.
Must have catch tank on radiator
overflow, minimum two quarts. Any car leaking water on the track will be black
FUEL AND FUEL CELL
Pump, racing fuel, and E-85
allowed (no additives). No Methanol, alcohol or nitrous oxide allowed.
fuel cell is required. The pick up must be located on the top of the fuel cell.
Maximum capacity cannot exceed 22 gallons. Fuel cells must be contained in a completely
enclosed 18 gauge steel container. No aluminum fuel cells are allowed. All fuel
cells must be vented and have a screw type cap. Must have coiled tube to prevent
leaking of fuel in the event of a roll over. Vent check valves are optional but
the loop is mandatory. Cell may not hang lower than the rear end housing and must
have a cell guard minimum 1 1/2" tube to bottom of cell. Gas cap may not
extend thru body. When plumbing any fuel related item, DO NOT USE PLUMBERS TAPE.
Fuel pump must be mechanical, mounted in stock location. No electric
fuel pumps or pressurized tank systems of any type permitted. Fuel injection or
superchargers not permitted. Easily accessible fuel shut-off valve is recommended
on right side of the driver.
85 gasoline will be allowed. The specific gravity may not exceed .750 Protest
fee will be $25.
Any U.S. manufactured steel wheel permitted,
13" x 8" inch maximum width bead to bead. No lightweight or aluminum
wheels. Center of wheel must be of heavy duty construction. No wheel adaptors
allowed. Wheel off-set optional. Bead locks permitted on all four wheels.
Hoosier RC-1 and RC-4 and American Racer
33 & 44 permitted. Mixing of compounds allowed. Numbers must remain visible
on tires. DOT street tires not allowed.
RADIOS AND MIRRORS
No Radios or Mirrors.