Valvoline 80W90 in the rear of my SS. I have a Powertrax locker, which doesn't require any additives. If you have a posi, use two bottles of the GM additive. It's the best stuff on the market to keep the clutches happy.
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Seeya,
Steve R. in North Jersey
'16 Go-Mango Dodge Charger R/T. It's so good to be back in a V8-powered, RWD car!
Former Toy - '88 Monte SS - had lots of mods...
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