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

Fuel pressure readings video.???

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  #11  
Old 04-15-2010, 05:38 PM
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That road looks familiar. Where at in PA?
 
  #12  
Old 04-15-2010, 05:50 PM
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Originally Posted by daveO
That road looks familiar. Where at in PA?
Manheim , pa
 
  #13  
Old 04-15-2010, 06:02 PM
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Maybe not that familiar then.
 
  #14  
Old 04-15-2010, 08:20 PM
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ill have to wait to see what mine is when i get the guage in, is the inlet banjo bolt 12mm anyone?

---AutoMerged DoublePost---

when you clamped the line to 30psi at an idle, what was it at wot??
 

Last edited by dan33klein; 04-15-2010 at 08:20 PM. Reason: Automerged Doublepost
  #15  
Old 04-15-2010, 09:28 PM
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Originally Posted by dan33klein
ill have to wait to see what mine is when i get the guage in, is the inlet banjo bolt 12mm anyone?

---AutoMerged DoublePost---

when you clamped the line to 30psi at an idle, what was it at wot??
It sits at 30 and goes to 38-40

The top number never really changes just sit at 30psi at idle.

Banjo bolt is unknown at this time. I think it is 14 by 1.5 but not sure...
 
  #16  
Old 04-16-2010, 10:53 AM
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Originally Posted by j_k_auto


I have a needle valve in there.

Not sure where to get the pressure snubber. I am searching this now...
If you have a needle valve you dont need a snubber. slowly close your needle valve until you get a smooth reading and then tighten the packing nut (if you have one). The needle valve should be barely cracked.
 
  #17  
Old 04-16-2010, 03:49 PM
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so the difference in fuel pressure didnt really matter?
im getting a guage soon, dont know whether to get a 0-30 or a 0-100
 
  #18  
Old 04-16-2010, 05:40 PM
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Originally Posted by dan33klein
so the difference in fuel pressure didnt really matter?
im getting a guage soon, dont know whether to get a 0-30 or a 0-100
I would go with 0-100 or 0-50

I just want one so I never run out of numbers on my gauge....
 
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