Intent: 1/8 mile heads up class for 81-87 Buick Regal bodied cars running single turbo Buick V6 engines with stock suspension and 10.5" or smaller tire.
Class is to be run on .400 pro tree and pro ladder.
Maximum 16 car field
All cars should have applicable safety equipment for speeds obtained and be able to pass track safety tech. Drivers should have necessary equipment / apparel for speed obtained.
All cars subject to peer and RRA tech at event.
ALL RULES SUBJECT TO CHANGE / ADJUSTMENTS !!
WEIGHT:
3250 base weight
82mm turbo -100
76mm turbo -250
M1 +50
Liquid IC +50
CHASSIS:
81-87 Buick Regal Body w/ steel roof and quarters, stock firewall in stock location, doors must be hinged w/ functioning windows. Functioning headlights and tail lights required.
Interior must be carpeted and maintain factory appearance. Door panels, factory style dash and passenger seat required.
Full length stock frame with stock wheelbase, rear notch allowed with stock inner rail in stock location.
Front stock mounting locations with factory style A arm configuration required
Rear factory triangulated four link arrangement required ( factory mounting points )
Wheelie bars not allowed
TIRES:
275/60 or 28X10.5 non W slick
TURBO:
Maximum compressor wheel size is 88.0 mm / 3.464"
Tips of compressor wheel may not be stepped / cut down or notched to meet impeller tip to tip measurement.
TRANSMISSION:
Any GM automatic transmission allowed.
Lenco , Liberty or manual transmissions prohibited
FUEL:
Nitrous oxide prohibited, Nitrous bottles not allowed on / in car during qualifying and eliminations
No M3 or M5 allowed
PROTEST:
Protests require 100 dollar fee put up by the protesting competitor, this will be forfeited if competitor is found to be legal.
Anyone found to be illegal or unwilling to remove equipment to allow inspection will be disqualified.
Any competitor is subject to inspection and / or removal of compressor housing and / or downpipe for turbo measurement