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Never said which oil you chose. As far as synchro help goes I would grade them Valvoline 75-90 plain old gear oil < Redline MT90 < blend of Swepco 201 with ATF. I run Swepco and ATF now and it's great stuff. I'll never use plain old gear oil again. Credit JMortensen for the Swepco advice.


Didn't end up changing oil just yet, I didn't lose barely any when I pulled the drive shaft, possibly because it was jacked up so high in the rear possibly because it already low, not really sure. Swepco 201 huh? Is 201 the weight? And what ratio did you mix it?

Thanks for the info.

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