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

When To Advance Timing

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  #11  
Old 12-10-2007, 05:36 PM
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When it does rev to 1000 then die has it been sitting for a while?

Chris
 
  #12  
Old 12-10-2007, 10:10 PM
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The timing will help it run better on the big end. However, your hard start may be attributed to your GSK. If they aren't setup just perfect they can cause a hard start condidtion.

Even when they are setup perfect it can still happen (though a bit more rare).

But, everybody's advice to check fuel pressure would be wise as well.

The p-pump like pressure and dislikes low or no pressure.
 
  #13  
Old 12-11-2007, 12:26 PM
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I agree...GSK's set too tight will do most of your symptoms, especially if the two spring packs aren't balanced. Only other thought is a leaking O/F valve, but a fuel pressure test will give that up.
 
  #14  
Old 12-11-2007, 12:35 PM
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Vote #3 for GSK. That sounds exactly like they're cranked too tight.
 
  #15  
Old 12-11-2007, 02:45 PM
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I was thinknig O/F myself. My 97 was doing that.

Chris
 
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