Join Date: Jan 2014
Location: Tucson, AZ
Thanked 25 Times in 20 Posts
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6.7 P-Pump Conversion with Pics
First of all, donít attempt to do this. P-pumping the 6.7 is a bad idea for many reasons that I will point out later.
The reason I needed to do this is to incorporate the PTO option. For my truck, I needed to use a gear driven air compressor for my air bag and brake system. I also need to use a gear driven hydraulic pump for my full hydraulic steering. The new 24v motors and the 6.7s donít have the option for gear driven accessories. To do the conversion, a 5.9L 12v gear case and gears are needed which only fits a mechanical injection pump.
I could have used a 12v motor to start with but decided to go with the 6.7L motor. Since I have a street legal monster truck that weighs in at 14,000 lbs dry and rides on 53Ē tires, I wanted the larger displacement so that it is more efficient at pushing the behemoth down the road.