5.9L 24V Performance Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps Related To Performance And Longevity

what power upgrades should i get?

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  #11  
Old 05-04-2012, 03:12 PM
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I'd get 200hp injectors, most guys running 64mm turbos go with 7x.012 (200hp) injectors. Buy whole bodies, not nozzles. Luke (Diesel Dawgs) sells a damn good injector at a good price.

Tranny should be triple disc converter, billet input shaft, flexplate, all the little stuff you can get billet like servo, accumulator, actuator, hd band, anchor, etc... No point in skimping on the tranny if you have the money because any corners you cut may cost you bigtime later on.
 
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  #12  
Old 05-04-2012, 03:30 PM
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yes i plan on getting the airdog 165 would that be enough? and im not sure what my fuel pressure/WOT is at at idle what does it need to be at? if i get the 150hp injectors would i need nozzles? this is clearly the first time ive done this if you haven't noticed by now haha
165 will be more then enough, but in this situation more is better. "Less is more" doesn't apply. You don't want pressure to below 10 psi ever. Personally, I like it in the 18 to 20 psi range at idle/cruising. The overflow is set to open at 18psi. The VP44 uses fuel to cool and lubricate. If you can keep the pressure higher then the overflow relief, more fuel will pass through the VP44 to cool it better.

Injectors and nozzles are commonly misunderstood. Every injector has a nozzle. The nozzle is what is changed to add more flow, equaling more power. You can buy nozzles, and have a diesel shop swap them from your existing injectors, or buy complete injectors.

As for that last sentence, I may have had a feeling this was the first time. I hope my comments above don't seem rash, they are only to help you build a truck properly. As always, everything I post is in my own opinion.
 
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  #13  
Old 05-04-2012, 11:47 PM
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okay right on guys thank you for all the help!!!! i will post pictures etc. when i start everything
 
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Old 05-05-2012, 09:32 AM
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  #15  
Old 05-05-2012, 10:41 AM
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honestly for daily driving etc a 62mm turbo would be much easier to street drive etc. it also works as a great top turbo in a compound setup later on down the road
 
  #16  
Old 05-05-2012, 10:22 PM
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you do have a bit of money but for the injectors, i would get injector nozzles. they will be much cheaper than complete injectors and work just the same. just make sure you have them pop tested and mach flowed
 
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