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- - 2000 GMC G80 rear diff (https://67-72chevytrucks.com/vboard/showthread.php?t=519737)

crazy longhorn

04-15-2012 03:46 PM

2000 GMC G80 rear diff

What do you guys run for lube/traction addative? crazyL

clinebarger

04-15-2012 06:33 PM

Re: 2000 GMC G80 rear diff

Most of the big name synthetics already have Posi additive.
Synthetic 75W-90 is the grade spec.

Mobil 1, Amsoil, Royal Purple.....Cant go wrong with any of these.

crazy longhorn

04-15-2012 07:06 PM

Re: 2000 GMC G80 rear diff

A big thanks;) crazyL

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