3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

Whats the stock gear ratio on a 88 iroc

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Old 05-19-2005, 03:05 AM
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Whats the stock gear ratio on a 88 iroc

Dumb question.. but i don't know heh thanks
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Old 05-19-2005, 03:12 AM
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Re: Whats the stock gear ratio on a 88 iroc

depends on the tranny but it be posted on www.thirdgen.org
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Old 05-19-2005, 06:36 AM
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Re: Whats the stock gear ratio on a 88 iroc

well the 350 only came with an auto.

those were some strange rear...australian or something i think. with strange ratios.

2.77s or 3.27s i think. the higher ratio came with the g92 package, wihich i think ment you got 4wheel disc brakes

Last edited by teke184; 05-19-2005 at 06:38 AM.
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Old 05-19-2005, 07:46 AM
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Re: Whats the stock gear ratio on a 88 iroc

1988 350TPI & Auto came with the BW 9-bolt limited slip. A 2:77 was standard and 3:27 was a opton. But most were 2:77's and all required rear disc brake option J65.
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Old 05-19-2005, 01:29 PM
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Re: Whats the stock gear ratio on a 88 iroc

Check your RPO codes.
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