I have a 1998.5 3500 Dodge Dually Ram, 5.9 24 valve cummins engine, Spicer DANA 80 rear with 4:10 ratio..........it's slipping on initial take-off .......what's wrong and how do I correct this?
I agree check your u-joints. Also does it have limited slip? If so you could try adding some limited slip additive, I do believe the factory calls for some. I would change out the fluid if you add the additive - what's a better time.
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