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I'm about to dump 80w-90 Accel for my break in period for my RF1A gear driven T-case. Then I believe I will go to 85w-90w synthetic in the end. What is the best synthetic brand? Is that a stupid question? Synthetic is synthetic right?
That's not a stupid question at all. A lot of people use Redline, but you'll be pretty good with a quality brand. Don't buy that crap store brand stuff, and watch out for gl-5. I hear it is bad for the syncros in the old toyota transmissions. edit: Personally I'd never use redline. Too expensive and I have a 4l80e
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