[Strim91GT]

Is anyone using automatic transmission fluid in their Tremec? The GM syncromesh stuff is pretty expensive and i have synthetic automatic transmission fluid here. I am not exactly sure what the gm synchromesh transmission fluid is either. is it a 75-90 weight gear oil. But that doesn't make sensee because tremec's other recommendation is dexron IIE or mercon.

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edelbrock 6032 heads,cobra intake,b303,4.10 gear,tremec tko,vortech s trim,polished cobra r's,dual friction clutch