5.9L Rotary Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps Related To Performance And Longevity

Low Pressure Piston Lift Pump

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  #11  
Old 03-17-2011, 10:00 PM
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Should the high pressure pump be the better one to get or just get the low pressure pump. Im looking at getting big injectors and a new turbo? Not sure on injectors yet.
 
  #12  
Old 03-17-2011, 10:31 PM
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no the HP pump puts out WAY more than our pumps can handle "they" say that the VE can only handle about 15PSI I am running 22PSI on the one I am working on and it takes every bit of it
 
  #13  
Old 03-28-2011, 08:28 PM
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Takes it for now, your seal if not retained is hating life though.
 
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Old 07-08-2011, 05:25 PM
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Thanks yall for this very helpful thread!!

I just bought the low pressure piston pump and parts.

There is some updated part numbers for the list of parts you need for the conversion.
Low pressure piston lift pump - 4988751 (1)
Fuel line - 3914753 (1) same as before
Gaskets - 3939258 (2)
Spacer - 3914284 (1) same as before
Seals - 3963983 (2)
 
  #15  
Old 10-11-2011, 03:40 PM
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where did you buy the parts from?
 
  #16  
Old 10-18-2011, 09:59 PM
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from Cummins
 
  #17  
Old 10-20-2011, 09:47 AM
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One of the vendors sells a kit that includes everything to do this swap for quite a good price. I just can't remember who that was. Anyone else seen it?
 
  #18  
Old 11-27-2011, 04:19 PM
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Old 11-30-2011, 07:06 PM
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Ofi has em cheap...

Sent from my DROIDX
 
  #20  
Old 01-23-2012, 08:26 PM
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to clear this up, is the lift pump in this sticky the same as the second gen, but with the low press spring? And if i get the second gen pump, i need a regulator? But in doing so i can easily up my press after mods or say... a p pump?
 


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