History / Originality Got a question about 1982-1992 Camaro or Firebird history? Have a question about original parts, options, RPO codes, when something was available, or how to document your car? Those questions, answers, and much more!

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Old

May 27, 2002 | 05:47 PM

#1

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Joined: Oct 2001

Posts: 926

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From: Englewood, CO

Car: 1990 Trans Am

Engine: Lb9

Transmission: factory T5

Axle/Gears: 3.08 limited slip

bs1?

what exactly is the acoustic insulation package and what does it do?

Old

May 28, 2002 | 12:18 AM

#2

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Joined: Jan 2002

Posts: 3,852

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From: Valley of the Sun

Car: 82 Z28

Engine: Al LT1 headed LG4 305

Transmission: TH350

Axle/Gears: 3.73 posi with spacer

It is probably just extra insulation!

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