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360 STOCK CAR RULES
1. FRAME: Any American OEM full body rear wheel drive passenger car, 1964 or newer, full frame or unibody. Frame must match body. Rear of frame behind rear tires, from a point no further forward than one inch behind factory seam, may be replaced in OEM location with two inch by three inch steel tubing with .095 inch wall thickness, same length as material removed. Factory seam must remain visible. Unbodies must tie rear frame to front frame. Frames may be “X” braced.
2. ROLL CAGE: At least a four point cage, minimum size 1-1/2” OD by .095 wall thicknesses. Minimum three driver side door bars and two on passenger side.
3.
BODY:
All bodies must be unaltered OEM in OEM location and match frame. Front body
mounts must be visible. Sunroofs and T-tops must be enclosed. Aftermarket
plastic nose pieces allowed, recommended to match body. No spoilers, hood
scoops, ground effects or skirting altering OEM appearance... Hood and trunk
must be securely fastened and back of hood must be sealed off from driver
compartment with metal. Hood must be separate from fenders. Front inner wheel
wells may be removed; rear wheel wells may be removed to middle seam. Trunk
floor directly over rear end housing must be removed. No overlapping or
shortening of body panels. All glass must be removed, all windows in body must
remain open; maximum seven-inch metal sun visor allowed across top of windshield
opening. All doors must be securely fastened. Fenders and quarter panels may be
trimmed for tire clearance, ONLY. No reflective boy panels.
4.
BRAKES:
Must be steel approved OEM, operative four wheel, drum of disc. Front
components must match vehicle. Must maintain OEM dimensions for hubs/rotors and
calipers, cannot be lighted. Bolt pattern may be changed. Larger studs allowed.
Rear rotors may be aftermarket, min 0.810 inch thickness. Vented rotors only, no
scalloped rotors. No floating brakes. No brake shut-off or pressure sensitive
devices, 3 wheel brakes OK. One proportioning devices allowed front to rear
only. Brake lines must be visible. Aftermarket pedal assembly allowed.
5.
BUMBERS:
Front and rear bumpers required. Stock or fabricated ok. No sharp edges.
Front bumper may not extend beyond inside tire width except cars with
nosepieces. Fabricated bumpers maybe no more than 1 ¾” Odx. 125 wall round tube
or 2x3x125 wall rectangle. Fabricated bumpers must be capped at ends. Nerf bars
allowed. One bar per side on doors, and quarter panels. Nerf bars can be 2” max
from body.
6.
ENGINES:
blocks-OEM produced cast iron only.
GM 362, Ford 363, Chrysler 370, No D – Stroking motor.
7.
8.
CARBURETOR
& FUEL PUMP: Single two barrels only. 500 CFM Holley 4412 only.
Butterflies (1-11/16), Bore size (1 3/8). Carb spacer and adapter ok, maximum 1
¼ “ height. Aftermarket air filters ok. Aftermarket
fuel pumps ok. All pumps must mount in stock location. Cross member may be
notched for fuel pump clearance only.
9.
CYLINDER
HEADS: Cast Iron Only, No Aftermarket Heads, No porting or polishing. No GM
Bowtie, No Ford SVO, or Chrysler W2 Heads allowed.
10. EXHAUST: Headers OK. No 360 or 180
degree Headers allowed.
11. IGNITION: Stock OEM produced battery
operated electronic or single point. Distributors in stock location, and must
run off of one 12 volt battery. No aftermarket or high performance distributors
or ignition boxes. After market cap, coils, rotor, plug, wires, etc. ok.
12. INTAKE MANIFOLD: Cast Iron or
Aluminum. Chevy part#7547-1, Ford part# 302-7515, 351w 8023, 351c 7516, Chevy
Vortex part# 8151, Chrysler part# 7545.
13. LOCATION: Engine must be in stock
location. Front engine cars only. Aftermarket or fabricated motor mounts of
plates, 1# spark plugs must be even with upper ball joint.
14. OIL SYSTEM: Extra capacity pan or
accusump ok. Oil pump in stock location. No dry sumps.
15. VALVE COVERS: Breathers, aftermarket
ok.
16. FUEL: Gas Only.
17. FUEL CELL: Racing fuel cell required.
18. RADIATORS: One radiator in stock
location only.
19. REAR END: Ring an pinion ratio need not
be stock. Must be locked, spool of mini spool recommended. Aftermarket axles ok
9” Ford under and body ok. No limited slips such as Gold-Trac, Detroit Locker,
and Etc. Floaters are OK.
20. STEERING/DRIVER LOCATION-OEM: Steering
gear box in stock location for frame used. Drag link, tie rods, etc. must be
stock location, Quick steer boxes ok. Aftermarket pumps ok. Aftermarket steering
wheel with disconnect ok. Driver must sit in left quadrant of racecar, no
further back than rear edge of front door.
21. SUSPENSION: Leaf, coil, or Torsion bar
as OEM produced for year/make/model body. Racing spring ok. Coils must be
minimum 4.5” outside diameter. No coil covers. All spring must mount in stock
location. One spring and shock per wheel. Spring spacer or lowering blocks for
ride height adjustment ok. Steel body racing or stocks ok… No air shocks. Weight
jacks, and rear leaf spring shackles ok. No cockpit operated shock or spring
adjustment devices. All other suspension components must OEM produced for make
and model and in stock location. No fabricated or aftermarket traction devices
or suspension components. Front upper A- arms maybe after market.
22. TIRES & WHEELS: Asphalt pull-offs
or KK 704. 8 inch steel wheels.
Beadlock on right side only.
23. TRANMISSIONS: All forward and reverse
gears must be operational. Manual:
Must be unaltered OEM three of four speed, with minimum 10.5 inch steel/ organic
single disc-type clutch and steel pressure plate assembly inside an
explosion-proof steel bell housing. Minimum 270 degrees around top of clutch and
flywheel area. AUTOMATIC: Must be
unaltered OEM, with unaltered OEM pump, original bell housing and minimum 10
inch diameter torque converter containing a minimum of three quarts of
fluid. Flex plate must be full,
unaltered OEM, or OEM replacement.
24. ENGINE PROTEST: SEE PROMOTOR OR
TECHMAN
25. FOUR CYCLINDERS: No cubic inch rule.