5.9L 24V Performance Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps Related To Performance And Longevity

Bypass valve for a fuel pump.

Old Feb 11, 2009 | 08:05 PM
  #1  
Mr.Krabs's Avatar
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Default Bypass valve for a fuel pump.

Hey guys,I got a bad bypass valve for my belt driven pump,I tried to get ahold of the fella over at Glacier Diesel Power,But all day trying and no1 on the phone,I dunno WTF..
Anyways,anyone know where I could find one,around 15-20 psi,3/8"?
Need it in fairly short order.

---AutoMerged DoublePost---

Nevermind,I got the thing fixed,musta been jammed with something,I took it apart and put it back together,all better.
 

Last edited by Mr.Krabs; Feb 11, 2009 at 08:05 PM. Reason: Automerged Doublepost
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Old Feb 11, 2009 | 09:02 PM
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Just in case you end up needin it again here it is. http://www.speedwaymotors.com/BRASS-...0-PSI,317.html
 
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Old Feb 13, 2009 | 03:11 PM
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Holy crap though 40psi?
I've got dirt in my fuel is the problem it's jamming the bypass,just need to clean it up a little.
Had to take my darn filter out on my slip tank,was all gelled up,now I need to put a filter in there,

BTW as a side note,I been battling and trying to get fuel mileage,though it was my truck.
Turns out the fuel I was buying in Troutdale OR Flying J sucks.I was buying it cause' it was 20cents cheaper,and my fuel mileage had gone from 20+ to 14...bought some here in L-Town and bingo,back to 20.
 
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Old Feb 13, 2009 | 03:25 PM
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that regulator is adjustable from 2-100psi depending on the spring and spacers you use inside of it.

some of our local fuel stops have gone to selling a 20% bio blend that killed my mileage and all they had was a little green 4x4 sticker near the bottom of the pump telling this.
 
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Old Feb 13, 2009 | 04:47 PM
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Gotcha,thanks again Bubba.
I've thought about asking those folks what the heck they did to the fuel to make it perform so poorly,but why bother...
Bummed I spent all that money trying to get the truck to get mileage,and it was the frickin' fuel!

On the positive side,the thing runs like a striped *** ape now.
 
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