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xbnch
10-08-2003, 06:44 PM
Changing GL in sons Lightning. Putting in 75W-140 Synthetic. What about adding the friction modifyer too?

Guess it can't hurt to add it. 6 Pts + additive ?
jlightning450
10-12-2003, 02:46 PM
You have to use the modifier, or the clutches in the rearend will chatter after a short time.
xbnch
10-12-2003, 04:09 PM
Thanks, putting in the Amsoil GL with the additive. Amsoil even recommends it.
He broke some wheel studs while at the KC Track so he has to pull the axle shaft and dump the GL. Its time anyways as he was at Waterford too.