12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

98 12 valve low power?

Old Sep 28, 2014 | 05:52 PM
  #41  
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Yea i hope so! But anyways bought studs to install the pump the second time and man did that make a difference.. def. A good idea to use studs instead! But thanks you guys for helping me get through this nightmare
 
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Old Sep 28, 2014 | 07:25 PM
  #42  
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And a Raptor isn't a bad call either. Or something more hardcore, if that's your thing.
 
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Old Sep 28, 2014 | 07:41 PM
  #43  
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Yea it def. Wont be a raptor.. i had one on my 06cr and it seized up like once a month... put a frame mount filter before it and still seized up.. that thing seized up over a little piece of sand .. so will def go with fass or airdog.. but im not going to put one on unless i have to.. i like all mechanical and trying to keep it that way..
 
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Old Sep 28, 2014 | 07:57 PM
  #44  
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That's been my reasoning for sticking with the stock LP as well. If it ain't broke, don't fix it... and if it is, well. Milk it.
 
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Old Sep 28, 2014 | 08:37 PM
  #45  
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Haha yea
 
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Old Sep 29, 2014 | 03:10 PM
  #46  
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PRE-Filtration is KEY !!!
 
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Old Sep 29, 2014 | 03:22 PM
  #47  
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Just read through this whole thread, I'd lde like to go back to the beginning. you may be chasing the wrong problem... or more than one. One of your problems (sounds to me) is that your turbo isn't spinning up fast enough. There are very cost effective ways of diagnosing this and fixing it. I can point you in the right direction if you want as I had a similar prob on my 01 cummins. I just don't know how deep you are. Need help?
 
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Old Sep 29, 2014 | 06:29 PM
  #48  
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Well it has a new turbo on it with boost elbow.. but i am gonna bring home a boost gauge from work and see what its pushing out..
 
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Old Sep 30, 2014 | 10:19 AM
  #49  
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and again .. have you gone through your boost Boots ?
 
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Old Sep 30, 2014 | 11:24 AM
  #50  
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Boostlife,

Yes, Please give me a couple tips on how to get my turbo to spool up quicker. I had a low fuel pressure(not that low) issue and I fixed the issue by installing LarryB's fuel pressure adjusting banjo bolt kit & gauge.

However, I have an issue, and it may be normal, being this is my first 12v. From 800-1400rpms, its quick, but from there to 2400rpms, takes 3/4-1 second. I'm thinking that maybe it should spool up quicker than that. I would like to see your advise on creating quicker turbo spooling.

Thanks
 
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