Bought a 12 valve - Diesel Bombers

12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

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Old 11-12-2017, 07:33 PM
hinton's Avatar
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Join Date: Nov 2017
Location: Indiana
Posts: 1
Default Bought a 12 valve

I just bought a 97 12 valve 4x4 automatic with 168,000 miles on it. It has 5x.013 injectors, .025 delivery valves, airdog 2 165, and 4” exhaust currently. I was also given a set of 4K governor springs with the truck. I’m going to use this truck as a daily driver and to haul a livestock trailer so I’d like to build it to be a reliable 350-400hp. I have a few question that hopefully you all can help with to achieve that. Are the 5x.013 and .025 valves overkill for the amount of power I want and if so what would you recommend going to? What else will I need to get that power level I’m shooting for in a reliable setup? I know a better torque converter will be needed and the transmission rebuilt at some point in the future. Thank you for any help.
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