Chevy/GMC Truck and Duramax Turbo Diesel Forum Discussion of General Topics related to All Chevy and GMC Trucks as well as the Diesels in them

Fuel Line Pressure

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Old Oct 5, 2008 | 08:40 PM
  #11  
2500HeavyDuty's Avatar
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im thinkin i can scrap together a dual cp3 set up for like a grand
 
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Old Oct 5, 2008 | 08:48 PM
  #12  
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Thatd be a pretty sick deal if you could! You do the programing through EFI Live I take it?
 
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Old Oct 5, 2008 | 09:06 PM
  #13  
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do what now?

you need more then efi live to command two cp3's but i tune with efi live yes, there is a wire harness with a box that takes the signal from the ecm that controls the fca, which then splits it with out changing the impedance or voltage and splits it to both cp3 pumps. if you were to splice the wires it wouldnt work. i might have to talk to some electrical engineer manors on UofH to get into more detail of this
 
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Old Oct 5, 2008 | 09:31 PM
  #14  
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Gotcha it is like the Dodge then, I didn't know if you could use EFI live for that or not and now I know and knowing is half the battle!
 
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Old Oct 5, 2008 | 09:57 PM
  #15  
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you can try to raise the current, but what messes up the signal is the change impedance when splicing the wires, but i would think that the controller box would work for both makes, it is the same injection system. rest of the problem would be getting a bracket pulley and fittings, which shouldn't be so hard.

i just might end up building my own since it aint to hard to begin with
 
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Old Oct 5, 2008 | 10:08 PM
  #16  
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Originally Posted by 2500HeavyDuty
hey that place is right walking distance from where i park at for work, i can go there one day and see what they got in person
if we can get fittinsand the right hose let me know i would definatly be interested if you dont mind!
 
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Old Oct 5, 2008 | 10:24 PM
  #17  
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i would have to get some rail parts, to do some testing, and get measurements. ima do some research on this.

if yall can contribute that would help.
 
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Old Jul 14, 2009 | 07:14 PM
  #18  
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hey just wondering if anybody has figured out this dual feed line yet?? i work in a diesel research lab and have access to all this kind of stuff but dont have a lot of time to mess around with it any other info would be great!
 
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Old Jul 14, 2009 | 07:52 PM
  #19  
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the dual feed line goes from the second feed port from the cp3, which is plugged, and replaces the fprv.

you will need the fitting to make it work, what sizes and kinds i do not know
 
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Old Aug 1, 2009 | 08:45 AM
  #20  
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From: Danbury, TX
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If you have not found a hose to handle the pressure yet, try parker. Parker - THERMOPLASTIC ULTRA HIGH PRESSURE HOSE

They have pressures up to 40,000 psi...
 
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