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

fuel pump thread type

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Old 01-25-2012, 08:26 PM
94cummins12v's Avatar
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Default fuel pump thread type

anyone know what size and type of threads the supply port on the mechanical lift pump is? 3/8 pipe threads into it but is loose
 
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Old 01-26-2012, 11:53 AM
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Its Metric. 14mm for sure but I cant remember if its 1.25 or 1.5

www.vulcanperformance.com has whatever you need.
 
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Old 01-27-2012, 11:01 AM
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i loocked at there selection but none had the description of lift pump inlet just the outlet if i remembor corectly the outlet going into the fuel heater is bigger than the inlet or is there outlet considered the fuel heater outlet?
 
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Old 01-30-2012, 02:16 PM
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ok i did some looking i need the size of the fuel heater inlet

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or my next thought is pypass the fuel heater completly since the in the ford its not even hooked up does anyone make a bypass strainer? i want to be able to strain the fuel similar to the heater?

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scratch that i wasnt having this issue in the dodge so its ford related im gunna leave the fuel heater just for the strainer and hook mu 1/2 in line to the fuel heater line anyone know the size?
 

Last edited by 94cummins12v; 01-30-2012 at 02:16 PM. Reason: Automerged Doublepost
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