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5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
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Old 08-24-2013, 10:25 PM   #1
caseyhayden
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Join Date: Aug 2013
Location: canada
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Default advice needed

hey guys i don't have very much experience with carbs and need your expertise. i am a journeymen heavy duty mechanic and when it comes to diesel engines thats my playing field. carb setups well lets just say iam learning.

anyway back to my question. i am in the process of converting my 4banger to a v8 and going the carb route. i am just wondering if you would need to run a return line back to tank. i have a edelbrock fuel pump p/n 1791 it is set to 6.5 psi and i am running 3/8 fuel lines to a holley regulator before my proform 650 carb. do i need to run a return line or just have it deadheaded??

this is something that i don't know and need some advise from a pro
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Old 08-25-2013, 06:29 AM   #2
reldla1996
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No return line required.
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Old 08-25-2013, 08:51 AM   #3
dawson1112
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never mind I was wrong lol

My old mechanical pump had a return line , but the pmp your using doesn't need one.

Last edited by dawson1112; 08-25-2013 at 08:54 AM.
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