Gear lube
Thread Starter
Senior Member
Joined: Mar 2000
Posts: 503
Likes: 0
From: Mount Airy, MD
Car: 79 Camaro RS
Engine: 355, carb, alum heads, XE262
Transmission: TH350
Axle/Gears: 3.73
Gear lube
what weight gear lube would I need for my GTA?? 12bolt L98
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j.wolfe
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91 GTA
ET: 15.3@89.2mph in OD taking it easy on 190,000 mile engine!
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j.wolfe
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91 GTA
ET: 15.3@89.2mph in OD taking it easy on 190,000 mile engine!
TGO Supporter
Joined: Aug 1999
Posts: 14,811
Likes: 1
From: Jackson County
if you have a 12 bolt it's aftermarket. ask the manufacture. a good guess would be 80-95 or something similar. i use moble 1 gear lube and gm posi additive.
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-=ICON MOTORSPORTS=-
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-=ICON MOTORSPORTS=-
Joined: Mar 2000
Posts: 43,187
Likes: 43
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Go with AMSOIL 75W90 Series 2000. It's the proper weight, and the extra posi additive isn't required. The difference over petroleum-based lube can be felt SOTP.
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82 Berlinetta, orig V-6 car. Rescued w/86 LG4/TH700R with all harnesses, sensors, ECM, etc. 2.73 open. Cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LB9 w/ZZ3 cam, ported heads, exhaust, paint, etc.).
57 Bel Air, my 1st car. Currently 396 .030 over, Weiand Action+, Edelbrock 1901 Q-Jet, Jacobs Omnipack, 1-3/4" headers, TH400 w/TCI Sat Night Special conv & shift kit, 3.08 10-bolt, AMSOIL syn lubes bumper-to-bumper. Best 15.1 @ 5800' Bandimere. Daily driver while Camaro was being put together.
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82 Berlinetta, orig V-6 car. Rescued w/86 LG4/TH700R with all harnesses, sensors, ECM, etc. 2.73 open. Cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LB9 w/ZZ3 cam, ported heads, exhaust, paint, etc.).
57 Bel Air, my 1st car. Currently 396 .030 over, Weiand Action+, Edelbrock 1901 Q-Jet, Jacobs Omnipack, 1-3/4" headers, TH400 w/TCI Sat Night Special conv & shift kit, 3.08 10-bolt, AMSOIL syn lubes bumper-to-bumper. Best 15.1 @ 5800' Bandimere. Daily driver while Camaro was being put together.
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