WS6
Supreme Member
iTrader: (1)
Joined: Sep 2002
Posts: 2,565
Likes: 10
From: Texas
Car: 1992 Formula Firebird
Engine: 305CID (LB9)
Transmission: World Class T5
Axle/Gears: 10-bolt, 4.10 gears
Re: WS6
Thread Starter
Junior Member
Joined: Jan 2010
Posts: 13
Likes: 0
From: New York
Car: 90 Firebird, 96 caprice 9c1
Engine: 305tbi, lt1
Transmission: 700R4, 4l60e
Axle/Gears: 2.73, 3.08
Re: WS6
i have a firebird Forumla.... where are my RPO codes??? everyones always talking about them and i cant seem to find them
Supreme Member
iTrader: (1)
Joined: Sep 2002
Posts: 2,565
Likes: 10
From: Texas
Car: 1992 Formula Firebird
Engine: 305CID (LB9)
Transmission: World Class T5
Axle/Gears: 10-bolt, 4.10 gears
Re: WS6
Either in the center console or the rear locking storage compartment in the hatch area. Not all SPID (RPO) stickers survive the 18+ year life span of the car.
Joined: Sep 2000
Posts: 2,508
Likes: 197
From: Moorpark, CA
Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
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