changing rear end fluid

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Jul 1, 2010 | 08:23 AM

jake74

Thread Starter

Cruising

Joined: Aug 2009

Posts: 11

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changing rear end fluid

Will someone please tell me how much gearoil and posi trac fluid to put into 1974- automatic 350
Thanks

Jul 1, 2010 | 08:58 AM

pws69

Melting Slicks

Joined: Nov 2001

Posts: 2,668

Likes: 43

From: Eastern US XX

Quote:

Originally Posted by jake74

Will someone please tell me how much gearoil and posi trac fluid to put into 1974- automatic 350
Thanks

One bottle of GM Posi lube, then fill up with gear oil of your choice until it just trickles out of the file hole - ROUGHLY around 1.5 qt.

Jul 1, 2010 | 09:23 AM

bashcraft

Le Mans Master

Joined: Jan 2006

Posts: 6,502

Likes: 138

From: Butler Pa

I use GL-5 gear lube and no GM posi lube.

It takes just a touch over 1-1/2 quarts.

Jul 1, 2010 | 09:48 PM

Lon Wayne

Drifting

Joined: May 2006

Posts: 1,480

Likes: 2

From: Circleville Ohio

Vader Vette

Quote:

Originally Posted by jake74

Will someone please tell me how much gearoil and posi trac fluid to put into 1974- automatic 350
Thanks

Two bottles GM posi lube+ top off with 90w
The posi lube will pay for itself in the long run +you will never get that rear end click people get when the dont use it ,Usually JMO

Jul 2, 2010 | 08:05 AM

pws69

Melting Slicks

Joined: Nov 2001

Posts: 2,668

Likes: 43

From: Eastern US XX

2 bottles is a waste of $$$ - one is plenty!

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