Electric fuel pumps - Holden General Discussion

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Fastlane » Holden Forums » Holden General Discussion » Electric fuel pumps

Electric fuel pumps

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Guest		#1 Posted : Monday, 13 September 2004 10:36:25 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hi all, just had a thought the other night re electric fuel pumps. I'm doing 2 EFI conversions atm and I the fuel pumps I have have been sitting dry out of use for a few months. Will it kill them if I just plumb them in and fire the car up with no fuel in the line? I'd assume they wouldn't like it very much and would lubricate themselves with the fuel running through them. Am I on the right track or will they be fine to start up dry? Cheers Dre

Guest		#2 Posted : Monday, 13 September 2004 11:24:06 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hi Dre, I was told to prime them or they go kaput very fast! the fuel acts as the lubricant as well... apparently Cheers Ed

Guest		#3 Posted : Tuesday, 14 September 2004 8:19:20 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		The shop manual says they may explode if run when dry. I imagine you get a couple of minutes but why risk a $90 pump?

Guest		#4 Posted : Tuesday, 14 September 2004 4:05:59 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Don't run them dry whatever you do Dre. I'd say 75% of problems we get to fix in the yard are fuel pump related....mainly from people running the car nearly on empty and the fuel pumps sucking up crap from the bottom of the tank....or from running dry.

Guest		#5 Posted : Tuesday, 14 September 2004 9:12:46 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Ok, thats what I figured. So does anyone know of or have instructions to prime a fuel system thats been run dry? Any useful tips? Does it matter if I pump fuel through the pipes (new pipes so no sludge) the other way? Ie, from the engine bay

Guest		#6 Posted : Wednesday, 15 September 2004 4:17:25 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		I to would be interested in hearing a way to prime them. Doing an EFI conversion also and dont want to kill the pump. I'm running standard HK V8 size lines for a VN v6, is this ok? (both return and supply) ?

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