2022 RULES

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sackracing

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Jun 28, 2001

TSO 2022 RULES​

  • 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
 
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