1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

1st gen upgrade help!!!

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Old Sep 29, 2014 | 12:50 AM
  #11  
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Hmm I look at mine in the light tomorrow
 
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Old Sep 29, 2014 | 05:54 AM
  #12  
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Thanks for your time
 
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Old Sep 30, 2014 | 01:17 AM
  #13  
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Ok so your at the right screw thats your full fuel screw how many turns have you turned that in and when you were turning it in did your idle go up p.s that is the screw that you can get a run away from
 
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Old Sep 30, 2014 | 07:21 AM
  #14  
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I have bottomed the screw out turning it clockwise, and backed it all the way out. No change in idle when moving the screw.
 
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Old Sep 30, 2014 | 09:35 AM
  #15  
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Hmm thats real odd well just wait till you get your 3200 rpm spring at that time you will be able to see whats going on inside the pump in that area the rpm spring is going to be one of your biggest difference you will feel
 
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Old Sep 30, 2014 | 09:41 AM
  #16  
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just ordered it. will be here tomorrow. I will be installing it sometime this week. Is there anything specific i should look for while im in there? i will take and post pics and see if anyone notices anything different.
 
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Old Sep 30, 2014 | 11:44 AM
  #17  
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Not sure I havent heard of that happening so im taking its just looking for something worn out or broken make sure you take note on the index of the trottle shaft when you take it off ill do my best to look for the pics
 
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Old Oct 1, 2014 | 09:45 PM
  #18  
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I got the pump taken apart and the new spring installed I ran out of daylight so I didn't get it all back together but I did get some pics. Everything is clean and looks like new nothing worn or broke that I could see. Everything to me looks the same as all the pumps I have seen online. I will post some pics
 
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Old Oct 1, 2014 | 09:47 PM
  #19  
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Inside the pump
 
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Old Oct 1, 2014 | 09:48 PM
  #20  
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More inside the pump
 
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