It is set up to run "Pro Street" in PSCA.
Class Description
PRO STREET is the quickest and fastest heads-up class in the Pacific Street Car Association's
line-up. Mid 6's at over 220MPH is what you will see in this class. From '57 Chevy's to '07 GTO's... Twin Turbo's, Supercharged, and in your face Nitrous Injected Mountain Motors make's this the class everybody is talking about!!!
Pro Street CLASS GUIDELINES
BODY:
Steel, aluminum, fiberglass and carbon fiber bodies and body parts are allowed as long as the car retains it's original appearance and profile. Wheel well openings can be modified for tire clearance. Rear wings are allowed, but may not extend more than 28 inches from the transition point with the body to the tip. The drivers and passenger doors must be fully operational and must open from the outside. The PSCA reserves the right to add weight penalties for any body modification that does not fit within the current rules.
AERODYNAMICS:
PSCA reserves the right to add weight as deemed necessary to any body style that presents a superior aerodynamic advantage at any time during the season
LETTERING / DECALS:
Contingency decals or SPONSOR decals may be permanent on body, per approval from an PSCA official.
BRACKET RACING AIDS
The use of bracket racing aids such as optical sensors, delay boxes, stutter boxes, and throttle
stops are not allowed.
CHASSIS / SUSPENSION:
Any chassis and suspension combination that passes NHRA safety standards is allowed.
DRIVE TRAIN:
Any rear-end, gear ratio and transmission are allowed. Automatic transmissions may use a
trans-brake air or electric shifters.
Ignition:
Entries may utilize only 1 Distributor or 1 Mag.
DISPLACEMENT LIMITS:
See Weight Breaks.
ENGINE MOUNT LOCATION:
The maximum allowable engine setback is no more than 10% of the wheelbase as measured from centerline of front spindle to center of furthest forward spark plug hole.
HEADS:
Any cylinder head is allowed as long as only 1 spark plug per cylinder is functional.
EXHAUST:
Mufflers are not required. Headers must have a 4 pipes into 1 single outlet collector and must not protrude more than 2 inches outside the bodyline (Please refer to picture below). If The PSCA Tech Official feels your exhaust does not meet the following specs, your combo may receive a 25 - 50lb Weight add depending on the severity.....
FUEL / FUEL SYSTEMS:
Gasoline & Alcohol only (No Nitro) The PSCA reserves the right to check gasoline at any time during competition. The addition of chemical additives intended to alter the makeup of the gasoline for increased performance is strictly prohibited. During fuel check, a competitor must identify the brand of gasoline being used. The sample will be considered illegal if it does not match the baseline results (ex. color, dielectric reading +or-.2, and chemical tests) logged by PSCA. Failure to pass fuel check is grounds for disallowance of the run during competition and disqualification from the event during eliminations.
INDUCTION
NITROUS OXIDE:
All nitrous systems are allowed. Nitrous oxide commercially available,
thermostatically controlled blanket-type warmer accepted. Any other external heating of bottle's
prohibited. The use of any agents other than nitrous oxide as part of, or mixed with, this
pressurized fuel system is prohibited. Nitrous oxide may not be used in conjunction with
supercharger or turbochargers. If entry is teched in at a non-nitrous weight break, all nitrous
oxide lines, fittings, solenoids, and bottles must be removed before car is allowed to pass tech.
SUPERCHARGER / TURBOCHARGER:
Single or multiple supercharger or turbocharger allowed (max twin turbo size is 91.000mm ea.)
Two-stage superchargers or turbos are not allowed (twin superchargers or turbos must share a
common plenum). Intercoolers are allowed. Screw & Roots-type limited to single supercharger per engine.
Roots-type size limited to 14-71; 19 inches maximum rotor length, 11 1/4-inch case width, rotor
cavity diameter 5.840 inches maximum, variable multi-speed supercharger devices prohibited.
Supercharger restraint systems required on Screw & Roots-type units. (96% Over-Drive Limit on Screw Super Charged Entries)
Nitrous oxide not allowed in combination with supercharger or turbocharger.
TIRES:
Front tires must have a minimum tread width of 4.5 inches. Front tires do not have to be DOT
approved. Rear tires have no limitations. The tread of the tires must not protrude outside the body
line at the top of the tire.
PRO STREET WEIGHT GUIDE:
(All weights are race-ready, car with driver)
Engine Group/ Power Adder/ Weight
Import Combos:
Rotary Turbo or Nitrous / 1750
4 Cyl. Turbo or Nitrous / 1800
All 6 Cyl. Turbo or Nitrous / 2250
Single Turbocharged Combos:
All 332ci or less/ Single Turbocharged / 2600
All 333ci-450ci / Single Turbocharged / 2700
All 451ci-500ci / Single Turbocharged / 2800
All 501ci-550ci / Single Turbocharged / 2900
Small Cubic Inch Twin Turbocharged Combos:
All 332ci or less / Twin Turbocharged (up to 76mm MAX ea) / 2400
All 332ci or less / Twin Turbocharged (76.001-80mm MAX ea) / 2500
All 332ci or less / Twin Turbocharged (80.001-88mm MAX ea) / 2600
All 332ci or less / Twin Turbocharged (88.001-91mm MAX ea) / 2675
Medium Cubic Inch Small Block Twin Turbocharged Combos:
All 333ci-450ci / Twin Turbocharged (up to 80mm MAX ea) / 2600
All 333ci-450ci / Twin Turbocharged (80.001-88mm MAX ea) / 2650
All 333ci-450ci / Twin Turbocharged (88.001-91mm MAX ea) / 2725
Big Block Twin Turbocharged Combos:
All up to 450ci / Twin Turbocharged (up to 88mm MAX ea) / 2850
All up to 450ci / Twin Turbocharged (88.01 - 91mm MAX ea) / 2925
Small or Big Block (Big Cubic Inch) Twin Turbocharged Combos:
All 451ci-500ci / Twin Turbocharged (up to 88mm MAX ea) / 2900
All 451ci-500ci / Twin Turbocharged (88.01 - 91mm MAX ea) / 2975
All 501ci-550ci / Twin Turbocharged (up to 88mm MAX ea) / 2950
All 501ci-550ci / Twin Turbocharged (88.01 - 91mm MAX ea) / 3025
Small Block NA, Nitrous & Supercharged Combos:
Small Block / Naturally Aspirated / 2000
Small Block / Nitrous Oxide / 2150
Small Block / Roots Supercharged / 2400
Small Block / Screw Supercharged / 2550
Big Block NA & Nitrous Combos:
Big Block Unlimited CI / Naturally Aspirated / 2250
Big Block up to a 5.0 Bore Center / Nitrous Oxide / 2600
Big Block over 5.0 Bore Center / Nitrous Oxide / 2650
Big Block Supercharged Combos:
Big Blocks up to 455ci/ Roots or Single Centrifugal Supercharged / 2700
Big Blocks up to 455ci/ Screw Supercharger / 2850 (96% Over-Drive Limit)
Big Block 456ci & up / Single Centrifugal Supercharged / 2800
Big Block 456ci & up/ Roots Supercharged / 2850
Big Block 456ci & up/ Screw Supercharger / 3000 (96% Over-Drive Limit)
No Big Block Supercharged Combo (Except Centrifugal) Can Weigh Less Than 2700lbs
Weight Deductions:
*Entries using torque converters with manual trans may deduct...200 lbs.
*Entries using OEM Automatic Transmission may deduct...250 lbs.
*Turbo or Centrifugal Supercharged Entries without an intercooler may deduct...50lbs
http://pscaracing.com/Rules/rules_08_prostreet.html
Originally Posted by LS2Tuner
Reply With Quote
Bookmarks