Class Description
Wild Street is a heads-up class for any and all types of vehicles from 60’s muscle cars & Pick-ups to a late model Mustang or Camaro. This class is limited mainly by a small Drag Radial Tire (275x60x15) Frame rails both front and rear must retain stock configuration or ladder bars with factory frame-rails. Just about any single power adder is allowed, including the use of a nitrous oxide systems, superchargers or single & twin turbocharger combo’s. This class will defiantly live up to it’s name WILD!!!!!
Wild Street will run on a 1/8 mile format with a “All-Run” field.
Class Guidelines:
BALLAST:
Permanently attached ballast may be added in a NHRA legal manner. Removable ballast for the purpose of classification adjustments is limited to 100 lbs. in a NHRA approved weight box.
BODY:
The car must retain its original appearance and profiles. Aftermarket fiberglass parts are limited to hood, fenders, deck lid and bumpers, One piece front-ends are allowed, but must retain factory grill, head lights, and marker lights (no fake or airbrushed grilles allowed). Aftermarket wings and spoilers are permitted, but may not extend more then 15 inches from the transition point with the body to the tip. The driver and passenger doors must be fully operational and must open from the outside.
BRACKET RACING AIDS:
The use of bracket racing aids such as optical sensors, delay boxes, and throttle stops are prohibited
BRAKES:
The braking system may be upgraded to discs or larger drums. All cars must have front and rear brakes.
FIREWALL:
Must retain factory unaltered firewall, in factory location. A cosmetic overlay is permitted.
HOOD / SCOOPS:
Cowl & forward facing hood scoops are allowed. Scoop or cowl may not exceed more than 9 inches at the highest point of the air inlet opening above the height of the original hood flat surface.
INTERIOR:
All factory interior pieces including pedal assemblies must be in factory locations. Factory door panels, headliner, carpet, dashboard are required. Back seat may be deleted, but must have carpet covering the bare floor.
LETTERING / DECALS:
Car lettering & Decals are allowed on all windows (Except where PSCA Class & Series Decals are required) 1 major sponsor decal will be allowed on the rear quarter panel, decklid or door (Not to exceed 250sq Inches per side) and Hood Scoop or Cowl area (Not to exceed 50sq Inches per side) Wild Street Class sponsor decal (Mickey Thompson Tires) must be placed in the lower passenger corner of the front windshield PSCA Series Sponsor decal (Chassisworks) must be placed in the lower passenger corner of the front windshield.
SEAT LOCATION:
Two front bucket seats, or one bench seat with upholstery required. Seats must remain in the stock location.
WINDOWS:
Lexan permitted. We encourage all racers who use lexan to keep the overall look of the windows as close to factory appearing as possible.
CHASSIS / SUSPENSION
FRONT SUSPENSION:
Suspension components must all remain in stock locations. Direct bolt-on A-arms are
permitted. Tubular K-members that are a direct bolt on are permitted. Vehicle must retain factory
shock system (Struts or relocated shocks are permitted only if one of the approved front end kits listed below are installed with no modifications from the aftermarket specs..) Sway bars may be
removed. These Aftermarket Bolt-on Front Ends are legal; Chris Alston’s No-Fab, TCI, AJE or Smith Racecraft Front Suspension kits for Chevy II, Early Camaro’s & Nova’s are legal. Since there are many new and improved kits on the market, Please call for prior approval of whatever kit you choose to run.
K-MEMBER:
Aftermarket factory-replacement-type K-member permitted, but must attach to the chassis using only the original factory OEM-type mounting bolts. No part of the K-member may be welded to the chassis.
REAR SUSPENSION:
Bolt on traction devices are permitted. Leaf springs may be relocated for tire clearance purposes. Mini tubs are permitted, no full size wheel tubs will be allowed. Ladder Bar Type Suspension with Factory Frame Rails will be legal, but will receive a 50lb weight penalty if Coil-Overs shocks are used.
FRAME & CHASSIS:
Stock frame rails must be retained in stock locations (NO EXCEPTIONS) front and rear. Notching of rear frame rails for tire clearance is permitted. Sub frame connectors are permitted.
DRIVE TRAIN
AUTOMATIC TRANSMISSIONS:
Any OEM automatic transmission permitted. Aftermarket torque converter, shift kit, valve body, shifter, and pan cooler use are permitted. Trans brakes are permitted.
MANUAL TRANSMISSION:
After-market clutch (single disc only) assisted manual transmissions are allowed (See Weight Penalty’s) Clutch/automatics or planetary transmissions are not allowed. Split sliders are also not allowed. All shifts must be made manually without the aid of electric, hydraulic or pneumatic devices. Any manual transmission built by an automotive manufacturer, with stock case and gears will race at same weight as an automatic transmission entry.
REAR END:
Any factory type rear end is allowed.
ELECTRONICS:
Boost and Nitrous Controllers are permitted.
ENGINE:
No cubic inch limits.
ENGINE BLOCK:
Aftermarket Cast Iron & Aluminum blocks are allowed.
OIL-RETENTION DEVICE:
All Wild Street cars must utilize an NHRA-accepted lower engine oil-retention device; may use a belly pan in lieu of a device attached to the engine. The belly pan must extend from framerail to framerail and extend forward of the harmonic balancer and rearward of the flywheel and must incorporate a minimum 2- inch-high lip on all sides. A nonflammable, oil-absorbent liner mandatory inside of retention device.
CAMSHAFT:
Any camshaft allowed
CARBURETOR / THROTTLE BODY:
Any single or dual carburetor or throttle body set-up is allowed
EFI:
Any EFI system is permitted
ENGINE MOUNT LOCATION:
Engine must remain in stock location. Engine may not touch the factory unaltered firewall. Motor plates are permitted.
HEADS:
Aftermarket cylinder heads, aluminum or cast iron are allowed (No Billet Heads Permitted), Aftermarket Spayed, Symmetrical or Canted Valve, Big Chief, or any “Pro Stock” style heads are permitted with a weight penalty. CFE “Pro King” & Edelbrock “Victor II” will also receive slight weight penalties.
INTAKE MANIFOLD:
Any cast iron or cast aluminum intake manifold is permitted. Sheet metal or other composite manifolds permitted but at a weight penalty. EFI may use a Composite upper manifold at no weight add if lower cast manifold is used.
NITROUS:
Any nitrous combo is legal, but cannot be used with any other power adder.
SUPERCHARGER:
Any Roots (Up to 12.71) or Centrifugal (ATI ProCharger Model F2) Other Manufactures that are Equivalent or smaller with the following specs must be approved by the PSCA before being deemed legal:
MAX Inlet Hose Diameter 4.50″
MAX Inducer Diameter 4.50″
MAX Exducer Diameter 6.75″
MAX Outlet Inside Diameter 3.15″
TURBOCHARGER:
Accepted Single Turbochargers: 94mm Single Turbochargers are permitted on
V6 and Small Block V8 engines in accordance with the following
requirements: 1) Turbocharger must be of conventional impeller and
housing design and type. 2) Turbocharger is limited to a maximum size
of 3.701 inches (94mm) inducer diameter at the point where the leading
edge of the compressor wheel meets the inlet housing. 3) Compressor
cover inlet is permitted a maximum inlet diameter of 3.792 inches
(96.3178mm) 4) Compressor Wheel to housing clearance must maintain a
maximum 0.091 (2.3114mm) clearance beginning from a) the leading edge
of the compressor wheel where it meets the inlet of the compressor
housing, to b) the transition point where the trailing edge of the
compressor wheel meets the volute. 5) All air entering the
turbocharger must pass through the turbocharger inlet. 6) Injection of
any liquid, gas, or any other substance into the inlet or exhaust
housing prohibited. 7) Compressor wheel contour must be continuous
features from the inducer to the exducer (no “stepped” wheels).
Accepted Single Turbochargers: 98mm Single Turbochargers are permitted on
V6 and Small Block V8 engines in accordance with the following
requirements: 1) Turbocharger must be of conventional impeller and
housing design and type. 2) Turbocharger is limited to a maximum size
of 3.858 inches (98mm) inducer diameter at the point where the leading
edge of the compressor wheel meets the inlet housing. 3) Compressor
cover inlet is permitted a maximum inlet diameter of 3.949 inches
(100.3114mm) 4) Compressor Wheel to housing clearance must maintain a
maximum 0.091 (2.3114mm) clearance beginning from a) the leading edge
of the compressor wheel where it meets the inlet of the compressor
housing, to b) the transition point where the trailing edge of the
compressor wheel meets the volute. 5) All air entering the
turbocharger must pass through the turbocharger inlet. 6) Injection of
any liquid, gas, or any other substance into the inlet or exhaust
housing prohibited. 7) Compressor wheel contour must be continuous
features from the inducer to the exducer (no “stepped” wheels).
Accepted Twin Turbochargers: 72mm or 67mm Twin Turbochargers are permitted on
V6 and Small Block V8 engines in accordance with the following
requirements: 1) Turbocharger must be of conventional impeller and
housing design and type. 2) Turbocharger is limited to a maximum size
of 2.637 inches (67mm) inducer diameter at the point where the leading
edge of the compressor wheel meets the inlet housing. 3) Compressor
cover inlet is permitted a maximum inlet diameter of 2.728 inches
(69.3114mm) 4) Compressor Wheel to housing clearance must maintain a
maximum 0.091 (2.3114mm) clearance beginning from a) the leading edge
of the compressor wheel where it meets the inlet of the compressor
housing, to b) the transition point where the trailing edge of the
compressor wheel meets the volute. 5) All air entering the
turbocharger must pass through the turbocharger inlet. 6) Injection of
any liquid, gas, or any other substance into the inlet or exhaust
housing prohibited. 7) Compressor wheel contour must be continuous
features from the inducer to the exducer (no “stepped” wheels).
EXHAUST:
Production type mufflers or collector mufflers are required. Modification or removal of muffler internals is prohibited (no gutting permitted) Exhaust must be pointed towards the rear of the car or out the side but in no circumstance can the exhaust be directed upwards.
FUEL / FUEL SYSTEMS:
The PSCA reserves the right to check fuel at any time. Gasoline is the only fuel permitted. Mechanical and Electric fuel pumps, fuel cells, pressure regulators, and any line size are allowed. No alcohol or fuel additives are allowed.
IGNITION:
No restrictions
OILING SYSTEM:
No Restrictions. The front cross member may be altered for oil pan removal. Vacuum pumps are acceptable.
ON BOARD DIAGNOSTICS / DATA RECORDERS:
On board diagnostic computers and recorders are permitted. Memory and playback tachometers are allowed.
STEERING:
Rack and Pinion allowed on all vehicles.
STREET LEGAL REQUIREMENTS:
All cars are required to have working headlights and tail lights (headlights doors must be fixed open or work manually or automatically on cars so equipped). Brake lights, turn signals are required.
TIRES:
Front tires must have a minimum tread width of 4.5 inches. Front tires do not have to be DOT
approved. Rear Tires… Mickey Thompson or Goodyear 275/60R15 Drag Radials
As of today, the Hoosier 275/60R15 Part #17317 Radial is not legal to use in PSCA Wild Street Competition.
TRACTION CONTROL:
Not Permitted & Strictly Prohibited
WHEEL BASE:
Must retain stock wheel base with a maximum variation right to left and front to back of one inch.
WHEELIE BARS:
Wheelie bars are strictly prohibited.
WEIGHT GUIDE
Base Weight (All weights are race-ready, car with driver)
4 Cly W/Any Power Adder…………………………………………2500 lbs
V/6 W/Nitrous…………………………………………………………..2600 lbs
V/6 W/Turbo or Blower……………………………………………..2900 lbs
Small Blocks W/Nitrous……………………………………………..2700 lbs
Small Blocks W/Turbo (up to 91mm) ……………………………3200 lbs
Small Blocks W/Turbo (91.01 to 94mm) ………………………..3300 lbs
Small Blocks W/Turbo (94.01 to 98mm)…………………………3400 lbs
Small Blocks W/Twin Turbo (72mm ea) ……………………….3300 lbs
Small Blocks Up To 355ci W/Supercharger (F2 MAX)………3300 lbs
Small Blocks 356ci and up W/Supercharger (F2 MAX)…….3350 lbs
Big Blocks Nitrous up to 550ci……………………………………..2900 lbs
Big Blocks Nitrous 551ci to 600…………………………………....3000 lbs
Big Blocks Nitrous 601ci and Larger……………………………..3100 lbs
WEIGHT ADDS & BREAKS:
Add 50 lbs. For any Sheet Metal or Composite Intake Manifold.
Add 50 lbs. For any non Factory Manual Trans (single disc clutch type only)
Add 25 lbs. For Dry Sump Oiling System
Add 50 lbs. For Coil Over Rear Suspension.
Add 50 lbs. For Small Blocks using CFE “Pro King” & Edelbrock “Victor II”, Yates High Port (part #’s 6049SC1 & 6049C3H) Edelbrock (SC-1), Brodix (BF 200 & 300 Series) (Brodix CV SP265 & SP330) or similar Canted Valve and any Symmetrical Cylinder Heads.
Add 100 lbs. Small Blocks using Dart “Little Chief” CFE “SBX” or Similar Style Heads
Add 50 lbs. For Big Blocks Using Dart 383 Oval Port Heads Or Similar (Conventional Head with valve angle +/- 3 degrees From Factory)
Deduct 150 lbs. For F1C/F1R Superchargers
Add 100 lbs. For Big Blocks Using any Canted, Splayed Valve, Pro Stock or Big Chief Style Cylinder Heads
Deduct 300 lbs. For no Power Adder.