RPO Codes??
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Junior Member
Joined: Dec 2000
Posts: 91
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From: Plainwell, MI United States
RPO Codes??
Is there a way to tell what gears I have by using the RPO codes in the console? It is an '87 Iroc originally had 305TPI and has 700R-4 and rear drums. Please help if you can
Supreme Member
Joined: Sep 2000
Posts: 1,562
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From: Los Angeles, CA
Engine: LH0 3.1L
Yeah, just go here https://www.thirdgen.org/cgi-bin/rpo/index and punch in your codes.
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