PAHRUMP VALLEY SPEEDWAY
SUPER STOCK 2019
THERE IS NO ONE RACE GRACE RULE - If if doesn't say you can, then you CAN'T!
MODELS:
1. Must be American manufactured
BODIES GUIDELINES:
1. Steel, Aluminum or Fiberglass bodies.
2. All nosepieces or front covers must be Maximum 50 inches from the center of the wheel to the front of the nose piece.
3. Rear deck may be flat
4. Max spoiler allowed 6 inches x width of body. Face of spoiler 6 inches. Sides OK
5. Plastic body skirt ok
6. Floor pan may be removed. Driver must be in COMPLETELY sealed Cockpit area.
7. Drivers side windshield area must be covered with a minimum ¼ inch opening or maximum of 1 inch opening screen or Minimum of 3 Windshield bars in front of driver. Mounting is at discretion of Tech Inspector.
8. Window net mandatory. Strict enforcement on secure mounting. No zip ties or pop riveting. Hard mounting only
9. Driver window opening minimum of 12”
BUMPERS:
1. Front and rear bumpers may be OEM Aluminum, or round or square tubing.
2. All cars must start race with front and rear bumper. If you lose a rear Bumper, you may be black flagged at discretion of Race Track official depending on rear clip configuration.
ROLL CAGES:
1. All cages must be made of .095 tubing no less than 1 ½ inch O.D for main hoop.
2. Must have a minimum of Three (3) left side door bars
3. No galvanized pipe allowed
4. All roll cages will be strictly inspected
5. 1/8 inch thick door bar plate on driver side highly recommended
6. Front and Rear Driveshaft loops Mandatory. 360 degree loops highly recommended.
SEATS AND SEATBELTS:
1. Racing seats only. No Fiberglass.
2. No seat may be mounted directly to floor pan. Seat must be mounted to roll cage at no less than four (4) points
3. A five- (5) point safety harness, with quick release is mandatory. All belts must be attached to roll cage
4. All belts must be kept up to date. Must have date of manufacture and must be within 4 years of present date. This is for your safety
CHASSIS AND SUSPENSION:
1. OEM American rear-wheel drive frame only. No sports car frames. OEM part of frame must measure a Minimum of 20 inches forward from Screw Jack and a minimum of 20 inches to rear of screw jack. May modify for Fuel pump, steering shaft, Radiator and shock clearance. May alter for after market upper A-arms
2. 105" minimum wheelbase. 101" wheelbase allowed with 25lbs added in front of motor plate as an accommodation to prior track rules.
3. Tube type upper adjustable A-arms allowed
4. Control arm that supports coil spring must be stock
5. Rear clip may be made of 2" x 3" steel tubing. Tubing must extend to the rear bumper. Rear leaf spring mounts must be a minimum of 40" apart measured inside to inside
6. Uni – body cars may tie in frame rails front to rear
7. Weight jacks are allowed. No weight jacking controls allowed inside of drivers compartment
8. Racing spring and racing shocks may be used (no coil over or coil over eliminator). Heim end type shocks OK
9. No Canister shocks. No external adjustable shocks (dials, screws).
10. Rebuildable, revalveable and adjustable gas pressure shocks allowed
11. Maximum four shocks allowed on car. 1 shock per wheel only. No shocks over rear end
12. Leaf spring sliders are allowed
13. No composite leaf springs
14. Leaf Spring Floater O.K. Coil cars may NOT use Floater/BirdCage
15. Adjustable lowering blocks O.K.
16. Coil cars can run 3-Links. Solid links only.(No Biscuit, Spring, Bushing, etc.) 20/20/20 rule. (No Z-Link, 4-Bar or Swing arm suspensions) Springs must be mounted on rear end housing.
a) Top bar maximum length of 20 inches.
b) Panhard bar minimum length of 20 inches. Must be mounted behind rear end.
c) Lower Arms/Bars minimum length of 20 inches, maximum length of 22 ½ inches.
d) Bars must be Steel with minimum of 5/8 heim joints. All measurements are Center-to-Center.
17. Coil cars may use adjustable links. Uppers & Lowers may use multi-hole locations. Offset bolts OK w/OEM lowers.
REAR ENDS:
1. No quick-change rear ends allowed
2. Must be steel rear end housing
3. No gold track or ratchet rear ends allowed
4. No wide fives allowed
STEERING:
1. Power steering, quick steer boxes allowed
2. No racks and pinion steering allowed
BRAKES:
1. Must have three (3) working brakes at all times
2. Adjustable valves may be used for front to rear brake bias
3. Right front brake shut off OK
4. Front and rear brake calipers Cast- steel only. Aftermarket OK. No aluminum. Single piston only. Right front rotor may be altered.
ENGINES:
ENGINE SPECIFICATIONS: Any American make steel engine block allowed. Aftermarket and OEM performance blocks allowed. Steel heads and block only. Any Cast Intake manifold. Flat tappet cam/lifters only. (NO ROLLER CAM OR LIFTERS) Stud Girdles allowed. Any Rocker Arm allowed. No mushroom lifters, OEM firing order cannot be changed. No crank triggers. All engines must be able to be used in conventional passenger car without alterations. All belt driven accessories must be on front of engine. Wet sump oiling system only.
Engine must be no further back than # 1 spark plug to ball joint
CARBURETOR:
1. One (1) 2 or 4 barrel carburetor.
2. Two- (2) throttle springs mandatory
EXHAUST:
1. Must not exceed the 95 dB limit at 100 feet
2. No exhaust of any kind allowed in drivers compartment
3. Any Header allowed
4. Any car losing a muffler will be black flagged from that event (heat race, Main, etc.)
IGNITIONS:
1. No magnetos allowed or crank triggers.
2. All cars MUST use max 7,800 rpm rev limiter chip. This may be accomplished using one, non-adjustable, 12 volt ignition box with one high-end rev-limiter setting or an internal setting inside box. MSD #8728 rev-control or MSD #8738 additional rev control box allowed. Preset Crane #6000-6478 ignition box allowed. No additional ignition accessories allowed. All components must be out of reach of driver, but accessible for inspection.
3. One ignition box per car at any time.
4. No tampering of ignition boxes such as ETC (electronic traction control) or timing control devices. Absolutely no JUNK allowed altering engine performance during race conditions. Subject to suspension of racing for 1 year and expense of testing and shipping Ignition box.
STARTERS:
1. All cars will have a working starter
2. Kill switch must be labeled and easily accessed by driver or safety workers
CLUTCH AND TRANSMISSION:
1. Brinn, Bert, Falcon type internal clutch Transmissions ALLOWED
2. Richmond or Muncie transmissions ALLOWED
3. Any clutch will be allowed.
4. Automatic transmissions may use a coupler instead of a torque converter.
DRIVELINE:
1. Minimum 2 inch diameter steel/ OR minimum 3 inch diameter Aluminum drive shaft and must be painted white. Steel slip-yokes only. 360-degree drive shaft loop at front and rear of Driveshaft highly recommended
FUEL AND FUEL SYSTEMS:
1. No electric fuel pumps allowed
2. Must use gasoline or E85 (no alcohol)
3. All cars must have fuel cells with a chain, cable, etc attaching cap to fuel cell
4. All fuel cell will be at discretion of Track safety tech
5. Driver’s compartment must be sealed from both engine and fuel cell
6. All cars require the use of a check valve (roll over valve) on the vent of cell
WHEELS AND TIRES:
1. Maximum rim (wheel) width is 8 inch. All wheels must be steel
2. Bead-locks may be used on all four (4) corners
3. Must use unaltered Hoosier Race tire, G60-15 with IMCA stamped on sidewall or Pahrump valley speedway track tire.
ALL TIRES
No chemical softening, conditioning of tires. Tires may be ground or siped within confines of tread (not past factory straight line). No grooving allowed
WEIGHT:
1. Minimum weight is 2,800 lbs. ANYTIME
2. All ballast weight must be painted white and have the car number legibly painted on it
3. All weight must be mounted by a min of two 1/2 bolts or two weight mounts
4. Any ballast weight dropped on racing surface will result in an automatic disqualification for the remainder of the night. Even in Hot laps.
All mounting is subject to strict inspection. IF YOU LOOSE A PIECE OF LEAD ANYTIME DURING THE NIGHT, (including hot laps) YOU ARE DISQUALIFIED FOR THE REST OF THE NIGHT.
MISCELLANEOUS: 1. Battery mounting will be strictly enforced.
Must have fire extinguisher mounted securely within reach of driver. Must have SFI-approved full fire suit required. SFI approved gloves, Shoes neck braces, full face race helmet with a shield. Minimum three-inch wide five point safety belt Required.
SUPER STOCK 2019
THERE IS NO ONE RACE GRACE RULE - If if doesn't say you can, then you CAN'T!
MODELS:
1. Must be American manufactured
BODIES GUIDELINES:
1. Steel, Aluminum or Fiberglass bodies.
2. All nosepieces or front covers must be Maximum 50 inches from the center of the wheel to the front of the nose piece.
3. Rear deck may be flat
4. Max spoiler allowed 6 inches x width of body. Face of spoiler 6 inches. Sides OK
5. Plastic body skirt ok
6. Floor pan may be removed. Driver must be in COMPLETELY sealed Cockpit area.
7. Drivers side windshield area must be covered with a minimum ¼ inch opening or maximum of 1 inch opening screen or Minimum of 3 Windshield bars in front of driver. Mounting is at discretion of Tech Inspector.
8. Window net mandatory. Strict enforcement on secure mounting. No zip ties or pop riveting. Hard mounting only
9. Driver window opening minimum of 12”
BUMPERS:
1. Front and rear bumpers may be OEM Aluminum, or round or square tubing.
2. All cars must start race with front and rear bumper. If you lose a rear Bumper, you may be black flagged at discretion of Race Track official depending on rear clip configuration.
ROLL CAGES:
1. All cages must be made of .095 tubing no less than 1 ½ inch O.D for main hoop.
2. Must have a minimum of Three (3) left side door bars
3. No galvanized pipe allowed
4. All roll cages will be strictly inspected
5. 1/8 inch thick door bar plate on driver side highly recommended
6. Front and Rear Driveshaft loops Mandatory. 360 degree loops highly recommended.
SEATS AND SEATBELTS:
1. Racing seats only. No Fiberglass.
2. No seat may be mounted directly to floor pan. Seat must be mounted to roll cage at no less than four (4) points
3. A five- (5) point safety harness, with quick release is mandatory. All belts must be attached to roll cage
4. All belts must be kept up to date. Must have date of manufacture and must be within 4 years of present date. This is for your safety
CHASSIS AND SUSPENSION:
1. OEM American rear-wheel drive frame only. No sports car frames. OEM part of frame must measure a Minimum of 20 inches forward from Screw Jack and a minimum of 20 inches to rear of screw jack. May modify for Fuel pump, steering shaft, Radiator and shock clearance. May alter for after market upper A-arms
2. 105" minimum wheelbase. 101" wheelbase allowed with 25lbs added in front of motor plate as an accommodation to prior track rules.
3. Tube type upper adjustable A-arms allowed
4. Control arm that supports coil spring must be stock
5. Rear clip may be made of 2" x 3" steel tubing. Tubing must extend to the rear bumper. Rear leaf spring mounts must be a minimum of 40" apart measured inside to inside
6. Uni – body cars may tie in frame rails front to rear
7. Weight jacks are allowed. No weight jacking controls allowed inside of drivers compartment
8. Racing spring and racing shocks may be used (no coil over or coil over eliminator). Heim end type shocks OK
9. No Canister shocks. No external adjustable shocks (dials, screws).
10. Rebuildable, revalveable and adjustable gas pressure shocks allowed
11. Maximum four shocks allowed on car. 1 shock per wheel only. No shocks over rear end
12. Leaf spring sliders are allowed
13. No composite leaf springs
14. Leaf Spring Floater O.K. Coil cars may NOT use Floater/BirdCage
15. Adjustable lowering blocks O.K.
16. Coil cars can run 3-Links. Solid links only.(No Biscuit, Spring, Bushing, etc.) 20/20/20 rule. (No Z-Link, 4-Bar or Swing arm suspensions) Springs must be mounted on rear end housing.
a) Top bar maximum length of 20 inches.
b) Panhard bar minimum length of 20 inches. Must be mounted behind rear end.
c) Lower Arms/Bars minimum length of 20 inches, maximum length of 22 ½ inches.
d) Bars must be Steel with minimum of 5/8 heim joints. All measurements are Center-to-Center.
17. Coil cars may use adjustable links. Uppers & Lowers may use multi-hole locations. Offset bolts OK w/OEM lowers.
REAR ENDS:
1. No quick-change rear ends allowed
2. Must be steel rear end housing
3. No gold track or ratchet rear ends allowed
4. No wide fives allowed
STEERING:
1. Power steering, quick steer boxes allowed
2. No racks and pinion steering allowed
BRAKES:
1. Must have three (3) working brakes at all times
2. Adjustable valves may be used for front to rear brake bias
3. Right front brake shut off OK
4. Front and rear brake calipers Cast- steel only. Aftermarket OK. No aluminum. Single piston only. Right front rotor may be altered.
ENGINES:
ENGINE SPECIFICATIONS: Any American make steel engine block allowed. Aftermarket and OEM performance blocks allowed. Steel heads and block only. Any Cast Intake manifold. Flat tappet cam/lifters only. (NO ROLLER CAM OR LIFTERS) Stud Girdles allowed. Any Rocker Arm allowed. No mushroom lifters, OEM firing order cannot be changed. No crank triggers. All engines must be able to be used in conventional passenger car without alterations. All belt driven accessories must be on front of engine. Wet sump oiling system only.
Engine must be no further back than # 1 spark plug to ball joint
CARBURETOR:
1. One (1) 2 or 4 barrel carburetor.
2. Two- (2) throttle springs mandatory
EXHAUST:
1. Must not exceed the 95 dB limit at 100 feet
2. No exhaust of any kind allowed in drivers compartment
3. Any Header allowed
4. Any car losing a muffler will be black flagged from that event (heat race, Main, etc.)
IGNITIONS:
1. No magnetos allowed or crank triggers.
2. All cars MUST use max 7,800 rpm rev limiter chip. This may be accomplished using one, non-adjustable, 12 volt ignition box with one high-end rev-limiter setting or an internal setting inside box. MSD #8728 rev-control or MSD #8738 additional rev control box allowed. Preset Crane #6000-6478 ignition box allowed. No additional ignition accessories allowed. All components must be out of reach of driver, but accessible for inspection.
3. One ignition box per car at any time.
4. No tampering of ignition boxes such as ETC (electronic traction control) or timing control devices. Absolutely no JUNK allowed altering engine performance during race conditions. Subject to suspension of racing for 1 year and expense of testing and shipping Ignition box.
STARTERS:
1. All cars will have a working starter
2. Kill switch must be labeled and easily accessed by driver or safety workers
CLUTCH AND TRANSMISSION:
1. Brinn, Bert, Falcon type internal clutch Transmissions ALLOWED
2. Richmond or Muncie transmissions ALLOWED
3. Any clutch will be allowed.
4. Automatic transmissions may use a coupler instead of a torque converter.
DRIVELINE:
1. Minimum 2 inch diameter steel/ OR minimum 3 inch diameter Aluminum drive shaft and must be painted white. Steel slip-yokes only. 360-degree drive shaft loop at front and rear of Driveshaft highly recommended
FUEL AND FUEL SYSTEMS:
1. No electric fuel pumps allowed
2. Must use gasoline or E85 (no alcohol)
3. All cars must have fuel cells with a chain, cable, etc attaching cap to fuel cell
4. All fuel cell will be at discretion of Track safety tech
5. Driver’s compartment must be sealed from both engine and fuel cell
6. All cars require the use of a check valve (roll over valve) on the vent of cell
WHEELS AND TIRES:
1. Maximum rim (wheel) width is 8 inch. All wheels must be steel
2. Bead-locks may be used on all four (4) corners
3. Must use unaltered Hoosier Race tire, G60-15 with IMCA stamped on sidewall or Pahrump valley speedway track tire.
ALL TIRES
No chemical softening, conditioning of tires. Tires may be ground or siped within confines of tread (not past factory straight line). No grooving allowed
WEIGHT:
1. Minimum weight is 2,800 lbs. ANYTIME
2. All ballast weight must be painted white and have the car number legibly painted on it
3. All weight must be mounted by a min of two 1/2 bolts or two weight mounts
4. Any ballast weight dropped on racing surface will result in an automatic disqualification for the remainder of the night. Even in Hot laps.
All mounting is subject to strict inspection. IF YOU LOOSE A PIECE OF LEAD ANYTIME DURING THE NIGHT, (including hot laps) YOU ARE DISQUALIFIED FOR THE REST OF THE NIGHT.
MISCELLANEOUS: 1. Battery mounting will be strictly enforced.
Must have fire extinguisher mounted securely within reach of driver. Must have SFI-approved full fire suit required. SFI approved gloves, Shoes neck braces, full face race helmet with a shield. Minimum three-inch wide five point safety belt Required.