9 vs 10 bolt axles
Joined: Dec 1999
Posts: 5,964
Likes: 37
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
Internally, the only thing compatible is the gear oil and posi additive.
Member
Joined: Jul 1999
Posts: 216
Likes: 0
From: Saugerties, NY, USA
Car: '89 Formula
Engine: 355 TPI
Transmission: T56
Axle/Gears: 3.70 9 bolt.
28 splines in a 9 bolt.
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'89 Formula - Thunderchicken - 355 Vette L98/T-56/3.70 9-bolt/black/t-tops - the fun car!
'90 GTA - The GTA - 5.0 LB9/TH700/3.27 9-bolt/black/t-tops/tan leather - the cruiser.
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'89 Formula - Thunderchicken - 355 Vette L98/T-56/3.70 9-bolt/black/t-tops - the fun car!
'90 GTA - The GTA - 5.0 LB9/TH700/3.27 9-bolt/black/t-tops/tan leather - the cruiser.
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