I use redline MT90.. it works great (But please read below.. there's more to this). Eliminates the notchyness and allows for quicker shifting at higher RPM.
Owner reviews for gear oil
I love it, I noticed the difference right away. All the notchiness was gone or at least a lot less noticable after putting the mt90 in.
I know its a great product but only difference I noticed is less notchy when cold.
i say yes, redline in my 8v trans made it quieter and it shifted better, redline in my rebuilt 020 has done the same.
redline, GL-4, MT-90 but check with REDLINE apps for you car (MTL vs MT) . THis stuff is liquid ball bearings for the GERMAN car, doesn't work in Italian gearboxes though.
I like the Valvoline synthetic. I've tried Amsoil. It was ok, but not any better than Valvoline. BTW, Valvoline meets more specifications than Mobil 1, so I'd stick with Valvoline.
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