raybing Posted August 19, 2012 Share Posted August 19, 2012 Hey guys, I need advice on getting more speeds for my mack em7 300 hp with 8 speed. It has 5.03 rears. My understanding is that the 2080 trans has 40% OD. I have a 85" tree spade and the 3 low grears work great off road. On road it is basically a 5 speed. I am adding a pod trailer this week and would like more gears or more POWER, haha. Could a quad box help? Thanks Ray Quote Link to comment Share on other sites More sharing options...
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