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530 Posts
I've convinced myself to get the gmm ripshifter, and I figured while I'm getting it installed, I'll have the trans fluid replaced with RP. I've got the 6M... I saw the capacity was 4.6 liters, but what weight? I also want to change the differential fluid - I was told to go with the 75w-90w, but that the 75-140 might have more protection.. any suggestions?