Hey just wondered if I can use sythetic gear fluid right off the get go with the gears I'm putting in. I know they say not to use sythetic on the motor until its broken in, how about for the gears? Was going to use the Moble 1 75-90 fully sythetic. Is the limited slip additive that Autozone sells ok to use?

 

thats the same gear lube im using...but dont use the AZ LS crap.......just go get ya a bottle of it from a GM dealership....thats yur best bet.