Attention: TDR Forum Junkies 
anyone ever use the Roadranger fully synthetic gear oil made by Dana? it comes in 80w-140 or 75w-90 full synthetic. i think i might try it when it comes time to change the fluid. https://www.roadrangerstore.com/mx/...hash=BE3AB0C51251869E1D033D164E236016EF9A15D2
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