Quote:
Originally Posted by davids2toys
I believe this is GL-5 correct? I also have heard it has friction modifiers in it.
I actually think I have 2 qts of Valvoline on the shelf but they are 80w-90 conventional
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Just looked at the bottle,it says on the front SAE 75-90 Gear
Oil, on the back is says GL-5 MT-1
The 80-90 conventional is fine......use it since you have it......I have some also,have used it when I couldn't find any 75-90 same thing on the back: GL-5 MT-1
I have never noticed any difference bewteen the 75-90 and the 80-90....trans shifts perfectly with either......
David