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  1. 5

    Best Towing Gear Ratios - 96 K3500 CC Dually

    Has anybody installed a Gear Vendors Under/Overdrive in their truck used for towing? I need some extra gears more than a gear reduction.
  2. 5

    Best Towing Gear Ratios - 96 K3500 CC Dually

    Thanks - Not afraid of a little more in gas (got over THAT a long time ago) but would like about an extra 300-400 RPM and a little more off the line. Now I have to source the different diff's for front and rear.
  3. 5

    Best Towing Gear Ratios - 96 K3500 CC Dually

    I have a beautiful all white 1996 K3500 Crew Cab Dually with a 7.4 Vortec and auto transmission I acquired from my Uncle who was the original owner. I pull a 33 foot fifth wheel trailer that weighs in at about 10,000 lbs fully loaded. The truck has 4.10 gears (GT5 according to the codes). The...
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