Stock Firebird Rear Gear Lube ?
12-27-2011, 12:08 PM
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Stock Firebird Rear Gear Lube ? Hey guys, will be changing my rear cover seal since it is leaking quite a bit. What is the propper gear oil to use? I know iti s 75-90 but when it comes to additives that is what messed me up. I am looking at Mobile and states it had LS in it. Is this ok? Trying to match up there spec. to GM spec. Any help will be appreciated.
