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

custom lift pump

Old Mar 25, 2011 | 01:40 AM
  #1  
cumminspwr11's Avatar
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Default custom lift pump

i have a stock take off lift pump off a 02 24v that i was thinking about rigging up to use on my 95 instead of my mechanical one, do you guys think i will gain anything from this? im not too concerned with gain but i dont want to hurt my IP, if i do use this pump i will get some remote filter set ups form napa and move my fuel filter down to the frame and probably run two filters
 
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Old Mar 25, 2011 | 02:33 AM
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I'm pretty sure that carter pump pushes a lot less psi because the vp pumps require about half the pressure. It won't work. And they aren't very good to begin with, thats why the vp's are always dying.
 
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Old Mar 25, 2011 | 10:26 PM
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Stay away from that type of lift pump. They tend to fail slowly taking the vp with them so I would steer clear. Besides the mechanical one you have now is much more reliable and cheap to replace.
 
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Old Mar 26, 2011 | 03:26 AM
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What about going the other way and puting mechanical on a vp44? just a thought.
 
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Old Mar 26, 2011 | 10:19 AM
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Unless you get the can with the lobe for the mechanical pump on the 24v it wont work
 
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Old Mar 27, 2011 | 02:01 PM
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It's easier to shell out the cash for an airdogII or a fass setup.
 
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Old Mar 27, 2011 | 02:40 PM
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i was just wondering cause i have one laying around and i hate priming my truck with that mechanical one, i have a fuel pressure gauge so i always know what psi im running, i burn alot of used atf and motor oil so my fuel filters dont last long sometimes and i gotta keep an eye on that stuff

also wondering how the air dogs or fass work on the 12v, i know on the 24vs they are connected to the computer and as throttle increase so does fuel psi but on the 12v there isnt a computer to control it-so does it just run at the pumps max all the time and the ofv regulates the pressure then?
 
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