12 Valve 2nd Gen Dodge Cummins 94-98Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps
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I have a 96 auto with 3.55's. Getting between 12.5 to 13 mpg. What I've done > Cold air intake,factory exhaust (no muffler),20 degrees of timing,4K rpm kit, star wheel all the way in,#6 fuel plate, AFC Housing slid forward< Any suggestions would be greatly appreciated. I pull a light load weekly and then occasionally heavy load.