Quote:
Originally Posted by 6600DURAMAX
80w90 in the 60/14 and 205
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Dito!
Additive should be use when you have a Posi or limited slip w/clutches

I use to run Dana Powr-Lok and they required the 4oz shot of additive, I love the smell! makes me think of metal shop and my testosterone levels rise hahahaaa