24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps
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  #11  
Old 10-18-2009, 02:01 PM
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You sure you're not thinking of the Holley Blue/Black style pumps? This one is a gerotor design, very very different from the centrifugal vane design that the blue/black. Those pumps are junk, I agree, but this one looks much more solid.
 
  #12  
Old 10-18-2009, 02:25 PM
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Originally Posted by MotorOilMcCall
You sure you're not thinking of the Holley Blue/Black style pumps? This one is a gerotor design, very very different from the centrifugal vane design that the blue/black. Those pumps are junk, I agree, but this one looks much more solid.
My mistake. You are right, I was thinking of the older Holley pumps. Don't know anything about the newer ones I am afraid...
 
  #13  
Old 10-18-2009, 03:33 PM
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which pump could i use with the pump in the tank? I am trying to avoid droping the tank.
 
  #14  
Old 10-18-2009, 03:39 PM
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I used a OEM replacement from Car Quest.
 
  #15  
Old 10-18-2009, 03:44 PM
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You could go with carter, although they suck... or Airtex which is the same shitty design, just different quality.

Use whatever pump you want, you're way way way better off dropping the tank and doing it right.
 
  #16  
Old 10-18-2009, 04:07 PM
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you might be right i dont want have to do it again later.

---AutoMerged DoublePost---

how hard are these to drop the tanks?
 

Last edited by firstdiesel; 10-18-2009 at 04:07 PM. Reason: Automerged Doublepost
  #17  
Old 10-18-2009, 04:22 PM
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Its 2 bolts to get the straps off, then you gotta pull the wiring harness and fuel lines, then remove the filler neck tubes, drop it. It helps to have a floor jack with a big wide board bolted to it to keep the fuel tank stable while you lower it. And, I know it sounds obvious, but try and get the tank empty before you lower or raise it.

I can drop a tank in less than an hour as long as the "Quick disconnects" come off the lines. Getting it back in takes about the same amount of time. For the first time figure 2 hours.
 
  #18  
Old 10-19-2009, 08:12 AM
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well quick question, i just got off the phone with the dealer and they said that the pump in the tank normal pressure was about 10 psi at idle and should not drop lower than 5 psi at WOT. CAN ANYBODY CONFIRM THIS?
 
  #19  
Old 10-19-2009, 07:13 PM
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This has been debated from one end of the world to the other.


Some claim this and others claim to never let it drop below 10.
 
  #20  
Old 10-19-2009, 07:57 PM
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