5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

Help Tuning A 12 Valve!!

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Old Jul 23, 2008 | 10:38 AM
  #1  
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Default Help Tuning A 12 Valve!!

my brother just bought a 98 12 valve and I have no clue where to start on the p-pump... allready have some guages were goin to throw on it so any help with the p-pump would be good

---AutoMerged DoublePost---

didnt see the sticky
 

Last edited by straight_six; Jul 23, 2008 at 10:38 AM. Reason: Automerged Doublepost
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Old Jul 23, 2008 | 11:45 AM
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look for the thread turning up a p-pump it has pictures to help you out.
 
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Old Jul 23, 2008 | 06:45 PM
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Theres some good info here and links as well:

https://www.dieselbombers.com/5-9l-1...-12-valve.html
 
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Old Sep 2, 2008 | 09:13 PM
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I have Used the guide many times !
 
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Old Oct 10, 2008 | 04:16 PM
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i seen on here someone said that the p7100 didnt have a fuel screw in the back, now i got mine turned and more power and a lil bit of smoke. i know for sure they didnt mess with the plate so ther deff. is a screw on it......

But also does anyone have problems with their throttle cable breaking or have alot of slack in it???
 
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Old Oct 10, 2008 | 04:28 PM
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I think what you’re referring to is what people call the Smoke screw. It’s on the back of the AFC housing
 
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Old Oct 10, 2008 | 04:30 PM
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Dustin, there is recall on the throttle cable:

Check it out: Recall #970 - throttle cable
 
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Old Oct 11, 2008 | 01:27 PM
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alright ill call the dealership and get that fixed
i appreciate it

---AutoMerged DoublePost---

alright while im at asking questions
when my trucks at 55 and i stomp it, it want gear down, i thought its supposed to but i just wanted to know if yall know why it would, but its geared 3.55 and it has stock exhaust except its straight piped and the idiot that put the delete pipe on bent it.
so any suggestions would be appreciated?
 

Last edited by dustin_kivett; Oct 11, 2008 at 01:27 PM. Reason: Automerged Doublepost
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Old Oct 11, 2008 | 01:30 PM
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You will probably get more better exposure if you start your own thread.
 

Last edited by Dr. Evil; Oct 11, 2008 at 01:39 PM.
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