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

Adjusting fuel pressure

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Old Apr 10, 2014 | 12:58 PM
  #1  
99ppumped24's Avatar
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Default Adjusting fuel pressure

I pumped my 24v and I had a Fass Titanium 150 on it. Is there a way to adjust the pressure or do I have to get a new pump?
 
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Old Apr 10, 2014 | 07:33 PM
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how much FP do you have now ??
 
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Old Apr 10, 2014 | 11:49 PM
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Restriction vs flow rate
Two different things remember. If line size is increased then pressure will drop but flow remains constant.
Not saying that is the case. It is just something to keep in mind.
DD
 
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Old Apr 11, 2014 | 09:10 AM
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About 17
 
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Old Apr 11, 2014 | 05:32 PM
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is it the FASS for the 24 valve? if so yes it cant make enough pressure to feed the inline pump. you need to be in the 30-50 range 17psi will kill the inline
 
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Old Apr 11, 2014 | 06:22 PM
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Originally Posted by 99ppumped24
About 17
Oh dang ... yeah ... that was way to low ....
 
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Old Apr 11, 2014 | 09:15 PM
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i dont think you will be able to adjust it high enough for what you need . you will be able to get it to start and run and idle around but i do not believe you will be able to use the truck with that pump.
 
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Old Apr 12, 2014 | 12:16 AM
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I think a tork tek adjustable return .... wouldnt that help ??
 
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Old Apr 12, 2014 | 07:56 AM
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no
 
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