Quote:
Originally Posted by DoomsdayJesus
I also just took a look at the service manual, which clearly says only use GL-3 in the manual trans and GL-5 in the rear dif.
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Technically the service manual recommends "MG gear oil special II
(API GL-3, SAE 75W-90)", but any GL-3
or later 75w-90 can be substituted. So GL-5 is acceptable.