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 Aug 1, 2010 | 07:19 AM
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CumminsPower127's Avatar
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Default LOOOww dyno numbers!!!!

I put my truck on the dyno at the ts drags this last weekend and it put up low numbers. 390/777. I am runnins a smarty/revo sw7. I know it isnt getting enough fuel beause it cuts out in the lower gears. If i get a lift pump will it bring these numbers up drastically?I dont have lots of $$ so a lift pump will be about as much as i can do. Since then i got a boost fooler and i didnt see much power change it just smoked a little less in bottom end and my boost didnt go up on my boost gauge. it just showed 32psi like normal. How do i bring these numbers up?
 
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Old Aug 1, 2010 | 09:11 AM
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Drop it to a low sw # until you get a pump. Otherwise your gonna starve the injectors, and you'll be replacing them every 10,000 miles.
 
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Old Aug 1, 2010 | 11:15 AM
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Get a lift pump and a rail guage!! You should be in the 40's with the boost fooler maybe take a look at your turbo for damage!? or a boost leak? ON second thought I think it's all fuel related! do the lift pump and then see what it does!
 
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Old Aug 1, 2010 | 11:19 AM
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i'd get rid of your .5" straight pipe, that's gotta be reducing flow, just kidding, just thought it looked funny
 
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Old Aug 1, 2010 | 11:31 AM
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Hows your rail pressure?
 
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Old Aug 1, 2010 | 08:35 PM
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i need a rail pressure gauge. i have glowshift(shitty) gauges. does glowshift make a rail pressure? i cant afford to change all my gauges

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also i have a guy to order and install an airdog 150 for 600$. it sounds like a real good deal considering the shops want to charge 1000+. i have concerns cause i want my **** done right. how complicated is a airdog to install?fool proof or hard?
 

Last edited by CumminsPower127; Aug 1, 2010 at 08:35 PM. Reason: Automerged Doublepost
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Old Aug 1, 2010 | 08:48 PM
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not hard at all to install one... SHOULD be an 4-5 hour job. if you are at all mechanically inclined you should be able to do it yourself
 
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Old Aug 2, 2010 | 07:04 AM
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im considering doing it myself cause i aint stupid ive just never done it before. you figure i could watch a video and then be able to??
 
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Old Aug 2, 2010 | 08:06 AM
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Old Aug 29, 2010 | 01:34 PM
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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?
 
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