fuel pump help - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 02-08-2014, 08:55 PM Thread Starter
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fuel pump help

Alright guys i need some help i was just wondering if you can run a electric pump with the mechanical pump i hope i got this in the right thread
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post #2 of 11 Old 02-08-2014, 09:37 PM
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Welcome!

What year and model of truck are we talking about? Are you wanting to convert to e-fuel or what is your though behind running an e-pump with a mechanical pump (normally you would not run both)? Cheers!

1997 F250 SC 4x4, E4OD, 4.10 LS, Basically Stock, Relocated Block Heater Plug, External Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed

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post #3 of 11 Old 02-08-2014, 09:58 PM Thread Starter
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Its a 95 f250 the only reason is i think my mechanical pump is goin out and ive already got the electric pump and i was just curious if u could leave the mechanical pump in it without having to bypass it through a y block
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post #4 of 11 Old 02-08-2014, 11:54 PM
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No you cant because the stock fuel bowl cant handle the higher pressures an e-pump would create you have to do a complete e-fuel conversion or replace your fuel pump.

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post #5 of 11 Old 02-09-2014, 08:41 AM Thread Starter
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I dont have a high pressure e-pump the one i got is a low pressure it puts out like 4-7 psi is tht to much or would i just be better off to put a mechanical pump back in it and be done
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post #6 of 11 Old 02-09-2014, 09:41 AM
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That's no where near enough pressure. Obs is generally around 30-40 psi. You'll wipe injectors out with that low of pressure.


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post #7 of 11 Old 02-09-2014, 10:23 AM Thread Starter
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So i would just be better off to just stick with the mechanical lift pump right
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post #8 of 11 Old 02-09-2014, 11:37 AM
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If you don't have plans for major modifications such as huge injectors a replacement mechanical pump will be just fine. I highly suggest you replace all the soft hoses in the engine valley at the same time.

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post #9 of 11 Old 02-09-2014, 11:42 AM
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The pump it sounds like you have is for maybe a carbed gas vehicle. Your choices are pretty much do a diy efuel i did mine for about 350$ or aftefmarket efuel ...idk price but expensive. Highest price parts for efuel are regulator and pump otherwise other parts are cheap all parts/fittings/hoses can be found on ebay. And writups are throughout the forum
Or replace stock pump for almost same price.as efuel if you have mechanic do it to slightly cheaper if diy.

Benefits of efuel are more consistant fuel flow, less parts in engine bay helping with lesser chances of leaks, better starting, ive noticed better acceleration others have to as pump doesnt have to build pressure.

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post #10 of 11 Old 02-09-2014, 12:17 PM Thread Starter
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I just order the mechanical pump ive already got the new fuel line to replace from the pump to the bowl ive got a mechanic thts gonna do it for 70 bucks i would do it but i aint got the tools and the pump i had was for diesel it was one of them green mr gasket pumps
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