5.9L Rotary Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps Related To Performance And Longevity

Any ideas??

Old Aug 20, 2014 | 09:53 AM
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95 ford fummins's Avatar
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Default Any ideas??

Quick run down, got new ddp 50 hp injectors, 3200 gvr spring, Denny t stage 2 fuel pin, intake, ffs turned in 2 1/2 turns in, and pump advanced 1/8 "

So at wot I can't build more than 23 lbs boost and when towing 7k lbs can't build more than 18 lbs boost. And this is a 89 non i/c . Why is this
 

Last edited by 95 ford fummins; Aug 20, 2014 at 09:57 AM.
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