Supertech Synthetic Blend 75W90 GL5

[wgtoys]

Originally Posted By: LoneRanger

Defektes, it is not so much a matter of skimping as it is trying to find a reasonably priced syn or semi-syn GL5 that doesn't contain limited slip friction modifiers, which cause shift grinds and notchiness in the Subaru manual trans.


Redline makes a good synthetic GL-5 without limited slip additives if you ever decide to go first cabin.

http://www.redlineoil.com/product.aspx?pid=47&pcid=7

 

[Greasymechtech]

https://bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=478226

 

[GiveMeAVowel]

I see it meets the later MT-1 for gear oils to be used in
synchronized transaxles with yellow metals, which is a positive thing! Next to GL-4, MT-1 is the only acceptable spec for them.