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

Delivery Valves

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  #1  
Old 04-22-2007, 11:00 AM
Carl's Avatar
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Default Delivery Valves

From what I understand, delivery valves act like a check valve, to prevent fuel from going back into the pump.
Could anyone explain how more expensive ones can help you with performance?
Thanks
 
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Old 04-22-2007, 05:44 PM
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im not 100% positive but i believe they allow for more fuel to flow through the pump.
 
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Old 04-22-2007, 07:23 PM
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hmm that would make sense, is that it folks?
 
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Old 04-22-2007, 07:25 PM
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correct.... it allows the fuel to come on sooner on the plunger up stroke..... so it allows more fuel
 
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