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Fuel pump upgrade

Caleb Roberts

New Member
Joined
March 20, 2017
Messages
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City, State
Oelwein, iowa
Year, Model & Trim Level
2000, Moutaineer, 5.0L
i have a fuel pump going out in my 2000 5.0l moutaineer, question is can i upgrade to a better pump on stock setup with no issues or will i need to tune this. pump setup is walbro 255lph pump kit for 1999-2001 5.0l but was unsure if it would be more of a headache then its worth. i have a engine i plan on building for the mountaineer, but its stock as of now besides rear cat delete and x-pipe dual 2.5" exhaust with stock manifolds and spintech mufflers.
Thanks, Caleb​
 




VR4

Well-Known Member
Joined
August 10, 2015
Messages
237
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17
City, State
vancouver, wa
Year, Model & Trim Level
01 explorer
Unless you're planning on forced induction just go with stock.
 




CDW6212R

Hauls the mail.
Elite Explorer
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June 17, 2004
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City, State
Knoxville, TN
Year, Model & Trim Level
98 Limited AWD
You can install the pump you need now to save doing it again, the 255lt/hr isn't big enough to create any issues. No tune is required, the FPR lets the excess go back to the tank.

BTW, I just bought a 255 pump from HFP for my V6 99 truck. Theirs are supposed to be quieter, they have a better warrantee, lifetime, and it's $70 shipped on their site. Our pump is the smallest inlet, 3/8", part HFP-342. I'm going to put a 306 in my 99 later, but I have to drop the tank to clean out old gas now. I'm tossing the old pump for sure.

Here's a link to it
http://www.highflowfuel.com/i-23900673-hfp-255lph-intank-fuel-pump-ford-explorer-1997-2002.html
 




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