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Old 04-15-2012, 03:46 PM   #1
crazy longhorn
Fabricate till you "puke"
 
Join Date: Jun 2002
Location: Ill
Posts: 9,403
2000 GMC G80 rear diff

What do you guys run for lube/traction addative? crazyL
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....
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Old 04-15-2012, 06:33 PM   #2
clinebarger
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Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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.
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Old 04-15-2012, 07:06 PM   #3
crazy longhorn
Fabricate till you "puke"
 
Join Date: Jun 2002
Location: Ill
Posts: 9,403
Re: 2000 GMC G80 rear diff

A big thanks crazyL
__________________
69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....
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