Suspension and Chassis Questions about your suspension? Need chassis advice?

rear axle

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Old Jun 13, 2010 | 06:41 PM
  #1  
'87IROCZOWNER69's Avatar
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From: Goose Creek, SC
Car: 1987 IROC-Z and 1988 Iroc-Z
Engine: 5.7 350 V8 and 5.0 305 V8
Transmission: 700R4 Automatic Transmission
Axle/Gears: 3.27 Posi
rear axle

I think my car has a G92 rear axle so can anyone tell me what the gears are?
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Old Jun 14, 2010 | 11:17 AM
  #2  
lonsal's Avatar
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From: Hacienda Heights, CA
Car: 90 RS 'Vert, 88 IROC-Z, 88 Firebird
Engine: 305 ci tbi, 305 ci tpi, 350 ci tpi
Transmission: WC-T5, WC-T5, 700R4
Axle/Gears: 3.45, 3.27, 3.27
Re: rear axle

Count the bolts on the differential cover. If it's a 10 bolt it should be a 3.23 if it's a 9 bolt then it should be a 3.27.

Lon
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