1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

piston style lift pump swap worth it?

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  #11  
Old 12-05-2012, 04:10 PM
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Go with the older AirDog 150 and call it a day. Mine has never let me down and is set to 15psi. There are some for sale cheap if you look...

https://www.dieselbombers.com/sale/7...ford-7-3l.html
 
  #12  
Old 12-10-2012, 08:26 PM
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Originally Posted by sootman
do you have any recommendations on which electric pump to get. i'm just looking for something to support mild injectors and a s300ish turbo till i get everything else fixed then im going to an air dog II
Go to O'Reillys and get one of the old Carter Rotary Vane pumps, usually pumps about 12 psi....and no more, but I always run a regulator, sometimes you get one feelin' its oats and its pumpin a little more. just set the regulator to 12 PSI....I believe the # is 4501, the folks in the back will know the one I'm talking about. About $80....maybe a little more, unless you have a commercial account.
 

Last edited by Screamin' Metal; 12-10-2012 at 08:29 PM.
  #13  
Old 12-10-2012, 09:22 PM
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I'm having the same issue not to hijack but I have a good one off my old 24v. Would that over pressure the system? What kind of regulator are you running. I got one in a wrecked race car.
 
  #14  
Old 12-13-2012, 11:42 PM
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The electric pumps you all mention.... in-tank submersibles, or mounted to framerail?
 
  #15  
Old 12-14-2012, 10:15 PM
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The one mounted to the block is the one I am talking about out of the 24v I want to know if it will work ok with my truck
 
  #16  
Old 12-14-2012, 10:38 PM
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You have to regulate it to 15psi, get a spacer and the line is different.

---AutoMerged DoublePost---

Nevermind. I'm thinking 12valve. My 24V lift pump barely made any pressure.
 

Last edited by hydroshok; 12-14-2012 at 10:38 PM. Reason: Automerged Doublepost
  #17  
Old 12-19-2012, 03:21 PM
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Soooo my 12 valve VE has the low pressure piston pump and it puts out over 15 psi. Do I need to remedy this somehow? Seems to be about 17psi.
 
  #18  
Old 12-19-2012, 03:29 PM
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17psig is fine. Won't hurt a thing.
 
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