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

Lift Pump Quitin, Any Economical Home Builds

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  #11  
Old 08-31-2008, 12:49 AM
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Originally Posted by gone ropin
found it today, the dang pressure regulator in the pump that looks like a crossdrilled plug w/ a spring and a bearing was bad, the spring had collapsed, put a new one in tonite, runs like a champ, had to go clear to dallas to find one today,[got lucky] thanks for the input all,
Overflow valve. Sometimes you can stretch the spring a bit or Ive heard of putting a small spring in from a retractable pen (yes you read that right), to increase the fuel pressure.

Glad you got it figured.
 
  #12  
Old 09-01-2008, 07:08 AM
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yup thats exactly what it looks like, a crossdrilled plug w/ a small bearing and a bic spring from a pen in it, expensive simplicity,
 
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