69HuggrrrPT
04-18-2005, 06:21 AM
I am about to change my rear end oil, 4.56 12 bolt posi. I have Quaker state 75/90 full synthetic to put in. My question is would I still need GM posi additive?
It says on bottle....
"These thermally-stable products are recommended for vehicles with manual transmissions and conventional or limited-slip differentials, especially where extremely low-temperature shifting can be a problem.
Thanks
It says on bottle....
"These thermally-stable products are recommended for vehicles with manual transmissions and conventional or limited-slip differentials, especially where extremely low-temperature shifting can be a problem.
Thanks