5.9 Liter CR Dodge Cummins 03-07 Discussion of 5.9 Liter Dodge Cummins Diesels with Common Rail Injection

LOOOww dyno numbers!!!!

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Old Sep 4, 2010 | 09:45 PM
  #11  
cerberus60's Avatar
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From: Minco OK
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Originally Posted by CumminsPower127
ya i installed the airdog myself and it is still not fueling right. i was talking to a person and they told me about a fuell pump upgrade kit that isnt a replacement fuel pump but its a bag o parts that you upgrade your fuel pump with. anybody know anything?
The parts go on the CP3, injection pump not lift pump. The stock CP-3 and injectors will make over 500 HP before you need to worry about upgrades.

Assuming you have an HO, try some different settings on the Smarty to see what works better. Timing, RP, etc., will all make a difference on how it runs. You are going to be limited by the injectors and turbo before you need anything else.

Assuming you have boost, fuel pressure, and pyro, it would be a good thing to invest in a rail pressure gauge so you see what is going on. You blindly thrwo parts at it hoping for good results or be smart and do some tuning first, your choice.

What gear did you dyno in and what was your boost and pyro readings?
 
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Old Sep 8, 2010 | 08:49 PM
  #12  
CumminsPower127's Avatar
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From: Tennessee
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this was back when i thought a higher sw# meant higher numbers. i got a boost fooler since and blocked wastegate and im putting 42psi out right now. it seems to smoke more on higher sw but run better on lower. got my fuel pressure checked it was running a little low. so i figure ill get some tuning and tweaking done and see whats up. think my cp3 is weak
 
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