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
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.
Stock 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.
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 flagged.
FUEL AND FUEL CELL
Pump and racing fuel allowed (no additives). No Methanol, alcohol
or nitrous oxide allowed.
A 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.
No Radios or Mirrors.