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Class Description
PRO STREET is the quickest and fastest heads-up class in the Pacific Street Car
Association's
line-up. High 6's at over 200MPH is what you will see
in this class. From '57 Chevy's to '04 Cavaliers, back-halved cars to full tube chassis, twin turbo,
supercharged and in your face nitrous injected, big cubic inched street cars. Entries must be
capable of running 7.99 quarter mile or quicker ET.
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 weight box.
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:
Car lettering is limited to windows only (except for 1 major sponsor decal,
that may be placed on the doors or rear quarter panels) Decal MAXIMUM size will be 36" x
8".
Contingency decals
or SPONSOR decals may be
permanent on body, per approval from an PSCA official.
FIREWALL:
Moving stock firewall rearward for engine installation permitted. Each car in
competition must be equipped with a minimum of .024-inch steel or .032-inch aluminum firewall,
extending from side to side of the body and from the top of the engine compartments upper seal
(hood, cowl, or deck) to the bottom of the floor and / or belly pan.
HOOD / SCOOPS:
No Restrictions
INTERIOR:
Door panels must be covered or painted. Carpet, upholstery or paint is required to cover
the flooring and tunnel where visible. Headliner is not required.
SEAT LOCATION:
One front seat with upholstery required with no other restrictions.
WINDOWS:
Must be of safety glass, Plexiglas, Lexan, or other shatter-proof materials, minimum
1/8th inch thick.
BRACKET RACING AIDS
The use of bracket racing aids such as optical sensors, delay boxes, stutter boxes, and throttle
stops are not allowed.
BRAKES:
Brakes are required on all four wheels. Line locks are permitted.
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.
ELECTRICAL:
Battery may be relocated. Electric fans and water pump drives are allowed. The charging system
is optional and is not required.
Ignition:
Entries may utilize only 1 Distributor or 1 Mag.
ENGINE BLOCK:
No restrictions
DISPLACEMENT LIMITS:
See Weight Breaks.
ENGINE MOUNT LOCATION:
The maximum allowable engine setback from the center line of the number-one spark-plug hole to the center line of the front spindle is
9 inches, except in those vehicles in which the engine was factory installed at a distance greater then
9 inches behind the spindle. In such cases, the engine set back may be no further back than the original location.
HEADS:
Any cylinder head is allowed as long as only 1 spark plug per cylinder
is functional.
EXHAUST:
Mufflers are not required. Vehicles
must have conventional style headers (No Zoomies)
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 88.000mm ea.)
Screw Superchargers are not allowed.
Two-stage superchargers or turbos are not allowed (twin superchargers or
turbos must share a
common plenum). Intercoolers are allowed. Roots-type limited to single supercharger per engine.
Roots-type size limited to 14-71; 19 inches maximum case 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 Roots-type units.
Nitrous oxide not allowed in
combination with supercharger or turbocharger.
OILING SYSTEM:
No restrictions
ON BOARD DIAGNOSTICS / DATA RECORDERS:
No restrictions
PARACHUTE:
Required on all entries.
STREET LEGAL REQUIREMENTS:
Car must appear to look street-able. Brake lights, turn signals not
required to function.
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
Rotary Turbo or Nitrous / 1800
4 Cyl. Turbo or Nitrous / 1800
All V/6's/ Turbo or Nitrous / 2300
All 332ci or less/ Single Turbocharged / 2450
All 333ci-450ci Small Block / Single Turbocharged / 2650
All
333ci-450ci Big Block / Single Turbocharged /
2750
All 451ci-475ci Small Block / Single Turbocharged / 2825
All
451ci-475ci Big Block / Single Turbocharged /
2925
All 332ci or less/ Twin Turbocharged (up
to 76mm MAX ea) /
2400
All 332ci or less/ Twin Turbocharged (up
to 80mm MAX ea) / 2500
All 332ci or less/ Twin Turbocharged (up
to 88mm MAX ea) / 2700
All 333ci-450ci Small Block
/ Twin Turbocharged
(up to 80.000mm) / 2675
All
333ci-450ci Big Block / Twin Turbocharged
(up to 80.000mm) / 2925
All 333ci-450ci Small Block / Twin Turbocharged (80.001-88mm) / 2775
All
333ci-450ci Big Block / Twin Turbocharged (80.001-88mm) / 2975
All 451ci-475ci/ Twin Turbocharged (88mm
MAX) / 3050
All 476ci-500ci/ Twin Turbocharged (88mm
MAX) / 3100
Small Block 528ci max/ Naturally Aspirated / 2000
Small Block 528ci max/ Nitrous Oxide / 2150
Small Block 528ci max/ Supercharged / 2450
Big Block Unlimited ci / Naturally Aspirated / 2250
Big Block / Nitrous Oxide / 2600
Big Block
up to 500ci/
Single Centrifugal Supercharged / 2700
Big Block
501 - 712ci max -/
Single Centrifugal Supercharged / 2800
Big Block 712ci max/ Roots Supercharged / 2975
Weight Deductions:
*Entries using torque converters with manual trans may deduct...225 lbs.
*Entries using
OEM Automatic Transmission may deduct...300 lbs.
*Turbo
Entries without an intercooler may deduct...50lbs
Weight
Ads:
*Entries
using an "OutlawType" Body...50lbs (Determined
by Race Director)
PSCA Required Decals:
Class Sponsor Decal
"Hughes Performance" decal must be installed on base of
windshield on the passenger side. (Bottom left hand side when looking at
front of vehicle windshield)
Series Sponsor Decal
"Corteco" decal must be installed on base of windshield on the
drivers side. (Bottom right hand side when looking at front of vehicle
windshield)
Contingency Program & Contingency Decals:
In order to become eligible for PSCA official contingency
program, You must first become a member of the PSCA. You can do this at
the PSCA Event Trailer during registration or on-line at the PSCA Store.
All contingency decals may appear anywhere on the windows in a clear and
organized fashion. Contingency decals may not be overlapped or modified.
Most decals are available at the PSCA Event Trailer, but in the event
the PSCA does not have the decals in stock, it is the racer's
responsibility to obtain the proper decals to be eligible for the
Contingency payout.
RACE DAY
POLICY'S
SCALES:
After each qualifying and elimination
pass, all cars must stop and weigh at the track scales. If you lose in
eliminations, and your opponent fails to make weight you will be
reinstated into the eliminations only if you made minimum weight
requirements. If both cars failed to make minimum weight, both cars will
be disqualified. It is the driver's responsibility to verify with each
track scale, the weight of his/her car prior to each race day. There
will 5lb error factor allowed.
TOW BACK &
TOW VEHICLES:
All Pro Street entries are allowed to tow
to staging lanes and to the track scales with a golf cart or other
similar small tow vehicle (No full size trucks or cars) All carts will
be subject to search by a PSCA Official at any time.
BYE-RUNS:
All vehicles must take the tree, and run down the 1/4 mile.
PSCA
Race Day Rules and Procedures...Click Here
All
drivers and vehicles must meet current NHRA and track requirements.
For questions or more information on these
rules, please contact Mel Roth at 661-609-9486
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