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!

New to this....need RP0 Help...

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Old

Apr 22, 2006 | 09:00 PM

#1

Thread Starter

Junior Member

Joined: Apr 2006

Posts: 22

Likes: 0

From: Belleville, Ontario, Canada

Car: 1991 Pontiac Trans Am

Engine: LB9 305 V8

Transmission: THM 700R4

Axle/Gears: 2.73 Limited Slip

New to this....need RP0 Help...

Hi everyone

I just joined your board

I will be receiving a 1991 Trans AM from a family member. I am decoding the RPO Codes from a list provded at:

GM RPO Codes

I came across a code on the car that is not on the list -- Z31.

Can anyone tell me what this code is for ?

Thanks in Advance

Old

Apr 22, 2006 | 09:20 PM

#2

Senior Member

Joined: Mar 2003

Posts: 966

Likes: 2

From: NE Ohio

Car: 83 Z28

Engine: 305 (LG4)

Transmission: THM700R4

Axle/Gears: 10 bolt, 3.23 non-LS

should do a

Z31 - ADVANCED PRICE SHEET, CANADIAN MODELS

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