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rearend oil #1013157
06/14/11 12:26 PM
06/14/11 12:26 PM
Joined: Feb 2004
Posts: 300
4
440dustr Offline OP
enthusiast
440dustr  Offline OP
enthusiast
4

Joined: Feb 2004
Posts: 300
What weight oil should I use in my 8-3/4 posi with 456 gears

Re: rearend oil [Re: 440dustr] #1013158
06/14/11 04:36 PM
06/14/11 04:36 PM
Joined: Apr 2008
Posts: 1,285
Pacific NW USA
CompSyn Offline
pro stock
CompSyn  Offline
pro stock

Joined: Apr 2008
Posts: 1,285
Pacific NW USA
Quote:

What weight oil should I use in my 8-3/4 posi with 456 gears




75W-140 (GL-5) rated. Try it first (without) additional limited slip additive. If you experience chatter, then you need additional limited slip additive.

If you can get around not diluting the formulators blend with additives, you're better off as many find they don't require it.







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