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Originally Posted by GotMyTruck!
OK, I got my TrueTrac in and have install scheduled on Thursday at a local off-road shop.
I asked them what oil they planned on putting in, and they said that they usually use 80-90 oil by Shell. Should I bring my own Mobil 1 75-140? They said that the Detroits like the 80-90. What do you guys think?
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I think Austin is running 75-140 w/o problems. I might run the cheap stuff for 500 miles, drain it, and then put back 75-140.