Transmissions and Drivetrain Need help with your trans? Problems with your axle?

What gear oil for 9 bolt?

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Old

Jul 15, 2016 | 05:56 PM

#1

Thread Starter

Junior Member

Joined: Apr 2013

Posts: 59

Likes: 0

From: Sackville NS

Car: 85 Trans Am

Engine: 416 headed LG4 (i think)

Transmission: auto

Axle/Gears: 9 bolt, unknown ratio

What gear oil for 9 bolt?

Have 85 trans am with a 9 bolt. 150k or so miles.

Old

Jul 15, 2016 | 06:02 PM

#2

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iTrader: (5)

Joined: Aug 1999

Posts: 19,282

Likes: 103

From: Lawrence, KS

Car: Met. Silver 85 IROC/Sold

Engine: 350 HO Deluxe (350ci/330hp)

Transmission: T-5 (Non-WC)

Axle/Gears: Limited Slip 3.23's

Re: What gear oil for 9 bolt?

IIRC, you'll find what you're looking for in the following link:

https://www.thirdgen.org/forums/faq-...now-about.html

JamesC

Old

Jul 15, 2016 | 11:20 PM

#3

Supreme Member

iTrader: (2)

Joined: Oct 2010

Posts: 1,673

Likes: 65

Re: What gear oil for 9 bolt?

when i researched this i came up with a lot of guys using the torco rgo racing gear oil 85w140

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