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

VE Pump tuning

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Old Nov 2, 2009 | 09:14 AM
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CumminsPowerOrNoPower's Avatar
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Default VE Pump tuning

On the VE Rotary pumps, how many turns can you run in the full power screw before you can get yourself in trouble. I know when you mess with the full power screw you have to back the idle down.
 
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Old Nov 2, 2009 | 10:27 AM
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muskrat's Avatar
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When turning in the full fuel screw, the best thing you can go by is the EGTs. Turn a little at a time and watch the pyro gauge. One or two turns will give you a good bit of power without hurting anything. Three or four is about max. Remember, if you're going to be towing, that adjustment is going to really raise the EGT's. Also when doing this you might have to adjust the smoke screw to reduce low speed smoke.
 
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Old Nov 7, 2009 | 10:20 PM
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How much smoke we talking about here?
 
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Old Nov 8, 2009 | 12:02 PM
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you know how in alaska they can have "dusk" for 2-3 months durrin certain seasons? with a fuel pin, full fuel screw just shy of max and EGT's thru the roof you can make it midnight in alaska
 
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Old Nov 8, 2009 | 10:46 PM
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Originally Posted by CumminsPowerOrNoPower
On the VE Rotary pumps, how many turns can you run in the full power screw before you can get yourself in trouble. I know when you mess with the full power screw you have to back the idle down.
its more of a trial and error deal!!
look in the sticky on how to safely tune your pump.
what year is the motor?? intercooled or not??
 
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Old Nov 11, 2009 | 07:35 AM
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'93 intercooled obviously

---AutoMerged DoublePost---

so mr. tower ofpower, your telling me that i'll be able to cloud out 4 lanes of traffic. is that the kind of smoke were talkin about?
 

Last edited by CumminsPowerOrNoPower; Nov 11, 2009 at 07:35 AM. Reason: Automerged Doublepost
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Old Nov 11, 2009 | 10:37 PM
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yea if he wont i will me an my brother were out in town last week me in my 90 and him in his 2nd gen powerstrock, stoped at a red in a two laner both of us let it rip an you couldn't see traffic for a good three minets so yea that is what tower of power is talken about... the ability to fill unsuspecting import cars full of smoke so thick they all have to get out of there car..... i'm gonna stop i LOVE DIESEL SMOKE!!!!!!!!!
 
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Old Nov 12, 2009 | 08:20 PM
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i see. i just need a fuel pin and a gov. spring.
 
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