a338566

iTrader: (1)

i was reading the bottle and it says it has limited slip additive in it, however the kit i bought came w/ GM limited slip additive. Is it ok to still use the GM additive or am i not supposed to use it since the royal purple has it in it?

BOLO

iTrader: (40)

It's up to you. I use Royal Purple 85w140 along with a bottle of the GM limited slip additive. Knock on wood....still on stock 10 bolt.

SmokinHot98

iTrader: (20)

use it still my bro had the royal purple in his the rear-end on his truck and he think not using the posi additive took out his eaton locker

kenSS

iTrader: (1)

i have purple and additive. just extra insurance.