how do i know what gears to get

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Sep 25, 2002 | 11:23 AM

NJITIROC

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iTrader: (2)

Joined: Jun 2002

Posts: 842

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From: Bergen County, NJ

Car: 1989 IROC-Z

Engine: L98

Transmission: T-56

how do i know what gears to get

i have an 89 IROC, my diff cover says borg warner on it, and i have 2.77 gear ratio. there are a ton of different GM 10 bolts, how do i know which gears will fit my 10 bolt?
thanks
matt

Sep 25, 2002 | 12:26 PM

88 427 Camaro

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Joined: Jul 1999

Posts: 931

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From: Mpls, MN USA

Car: 88 Camaro

Engine: 427 BBC

Transmission: T400

It's not a 10 bolt, it's a Borg Warner 9 bolt and uses a 7.75 ring gear. None of the 10 bolt stuff will work. More info on this rear is available at www.9bolt.com

Miles
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