2013 SUPER STOCK RULES
***UPDATES WILL BE HIGHLIGHTED IN RED***
1.CHASSIS / CONSTRUCTION
A. 4" minimum frame height.
B. Stock frame may be used (must be symmetrical and must be "X"). GM frames and front subs only.
C. Manufactured frames:
1. Will allow manufactured front and rear subs: Howe # 358-8-01, PCC # 610-2-205E-2 Front (also available through other suppliers)..
D. Main frame rails on fabricated frame must be:
1. 2" x 3" rectangular tubing.
2. Minimum 58" outside to outside width.
3. Required .083 wall thickness (Recommended .125" wall thickness).
E. Weight box on driver's side must be secured to frame rail within the wheel base, and no lower than the frame rail.
F. Maximum 1" offset of sub frames at front; no offset at rear. Must be square and centered to main cage and frame section equal distance.
G. 2750 lbs BASE WEIGHT 60% Left side weight, before and after the race (car and driver)
I. 108" minimum wheel base.
J. 80" maximum track width (measured from outside sidewall to outside sidewall) . This is measured at the bottom part of the tires sidewall.
K. Only 1 shock per wheel
2. ROLL CAGE
A. Four post cage with minimum four left door bars Minimum 1.75” OD .90 Round Tube, minimum one horizontal right door bar built out of minimum 1.75", .090 tubing.
B. Four posts of roll cage must mount in center of frame rails, front to rear and side to side. No offsets or angles.
C. 24" x 24" minimum 14 gauge steel plate (1/8") must be welded to left door bars for driver protection.
D. Front and rear hoops MANDATORY and must be run from roll cage to front of engine and behind fuel cell, .083 tubing minimum (.090 recommended).
E. Foot box for driver's floor/Pedal area 10 gauge or 1/8" minimum. (Foot box bar MANDATORY). Compartment must be constructed out of 22 ga. Steel (Aluminum Foot Box Top Allowed)
F. Cage set back center of front spring pocket to front cage posts 40" maximum.
G. Cage length 48" from front to back post.
H. 38" minimum main cage height from top of frame to top of halo bars (bottom of halo bars must be above the driver's helmet with the driver strapped in).
I. One diagonal 1.75" O.D. bar right side.
J. Rear posts of cage MUST be triangularly supported to rear frame 1.75" O.D.
3. FRONT SUSPENSION
A. Rack and pinion optional.
B. No leaf spring, strut or torsion bars.
C. After market lower control arms are allowed; must remain stock configuration. Must be of same manufacturer, car model, and length on both left and right side.
D. Tubular upper "A" arm optional.
E. No torsion types sway bars.
F. May use any spindle NO ALUMINUM MATERIALS.
G. Any steel or aluminum safety hub, 5" by 5" NASCAR style.
H. Shocks may be mounted outside in front. Jackscrews are permitted.
1. No driver-adjustable (no lines or reservoirs).
2. No air shocks.
3. No coil over shock assemblies.
4. REAR SUSPENSION
A. Minimum 5" o.d. springs must be directly on top of and in line with the rear-end housing.
B. Quick-change or floater (Ford 9”) rear-ends are allowed
C. Jackscrews are allowed.
D. No aluminum tubes.
E. Any type Panhard bar permitted.
F. Rubber biscuits, spring loaded trailing arms are allowed. Ends Must Be in view.
1. Outboard shocks are permitted.
2. No driver-adjustable (no lines or reservoirs).
3. No air shocks.
4. No coil over shock assemblies.
I. No truck arms.
A. AR Muscle Body (Camaro/Mustang) Required. All AR Muscle Body Rules Apply.
B. Spoiler: Standard 6.5" spoiler
C. No ground suckers/bottom suckers allowed, air must come through lower grill area
A. The floor of the driver's compartment must be constructed with a minimum of 1/8" steel from firewall to behind driver's seat.
B. Behind driver's seat, from the floor to the back deck will be 22 gauge steel.
C. All interior panels immediately surrounding the driver must be steel.
D. Full dashboard MANDATORY.
A. American made V8 engines only.
B. Mufflers - up and over conventional headers. 180 degree type headers are ok.
C. Cast iron heads and blocks only.
D. Aluminum intake optional.
E. One four barrel carburetor.
F. Engine location: #1 spark plug 2” set back from a centerline between upper ball joints.
G. Exhaust pipes must not protrude from body. Side exhaust is
H. No electric fuel pumps..
I. No dry sump oiling systems.
J. Fuel cells mandatory.
1. 8" minimum ground clearance at any point.
2. Must have metal container, four straps are recommended over the top of fuel cell.
3. Must have fuel cell guard.
4. Fuel cell must be securely mounted in back of rear axle housing, BETWEEN FRAME RAILS, BETWEEN REAR TIRES and adequately protected from behind and below by 1 1/4" o.d. by .090 wall tubing or better.
A. All measurements and heights will be done with driver out of car.
B.10" maximum wheel width, steel wheels made for racing only.
C. TIRE RULE: 1. Up to two tires may be purchased at the track each race date (four tires may be purchased on the first race date of the season). (Subject to change per special events)
D. Officials may change any rule in the interest of fairness and or safety at any time and all decisions are final!
E: Super Stock tires for 2013 are the 970
A. Driver must be able to enter / exit both doors through window openings. No add-ons or filler pieces of any kind except for vent window, which must be no more than 6".
B. On-board fire suppression system with minimum 5 pound extinguisher is recommended. 5 pound fire extinguisher mounted in car is required.
fire suppression system with minimum 5 pound extinguisher.
Click here for a larger diagram
FINAL NOTE: Please read all the rules and build your car accordingly. There will be NO fix it next week. You will fix it at the track or a minimum of 100 pounds will be added. The decisions of the officials will be final.