5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

Fass/Airdog Questions

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Old Sep 4, 2008 | 09:22 PM
  #11  
Cumminsdieselboy's Avatar
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From: Pottstown, Pa
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I also lost pressure in my 96, so i replaced the stock mechanical one with a Fass 150/90 big pump with 90 GPH. Holds 30-35 PSI no matter the throttle position. I like my fass alot better than my stocker, i shoulda done that to droptopfoxgt's truck.

Becuase, I actually am the previous owner of droptopfoxgt's truck and have replaced the stock lift pump from Napa, as i work there, not more than 4000 miles ago, unless it dumped already cant see it being a problem. im not really sure what could be going on. Also ever since I owned it i ran B5 then progressively up to B20 which my parents and i run in all of our truck with no problems. In my truck im also adding oil to my fuel for even more lube.

Chuck hope you can get it figured out i wanna know what those twins do to that thing.
 
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Old Sep 5, 2008 | 05:53 PM
  #12  
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From: blairsville/douglasville PA
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ill tell you what they'l do, blow the trans up . but they wont do anything if the truck doesnt run. i have everything ready to go 4 them i just need to get this situated first

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cleaned the prefilter screen today and got a new fuel filter (sorry cody, not napa) but it seems to be leaking from the drain plug in the filter and i had to get to school so i couldnt see what was wrong with it. should be fixed tonite after class.
 

Last edited by droptopfoxgt; Sep 5, 2008 at 05:53 PM. Reason: Automerged Doublepost
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Old Sep 5, 2008 | 06:47 PM
  #13  
stkdram55's Avatar
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From: New Holland Ohio
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dont be late for class they hate that there plus they change time that pissed off a few kids in my class at the beginning
 
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