Replacing EFI Fuel Lines?
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Senior User
Joined: Aug 2014
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From: Olanta, PA
Replacing EFI Fuel Lines?
Hi all, it's been awhile since I have been on... been busy building "Frankenstein" My 87 5150, 2WD W/4.9L 300 I6 is almost on the road. Right now I am finishing up the exhaust and reconnecting fuel lines, electrical connections etc.. QUESTION: My EFI lines were cut from the engine down to the pump. I would like to replace them entirley so I have good lines and don't need to worry about it,...BUT, if possible I would like to use rubber lines. Are there any High pressure (EFI) lines I could use or do I need to stay with the original Nylon lines? I would like to do this this weekend if I can but want to be sure to do it right (once). ANy help would be greatly appreciated!
Fleet Mechanic
Joined: Mar 2014
Posts: 1,926
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From: Saskatchewan Canada
I think you will find the nylon lines are the best solution. I could ask, why rubber lines?, but I will suspect you want some flexibility. For what it's worth, check out Dorman for fuel lines and fittings.
Dorman Products OE Solutions 2006 Catalog
I can't recall when the change was made, but later model trucks used a HP fuel pump in the tank where earlier trucks used a frame mounted HP pump and LP lift pumps in the tank. I suspect yours is the latter, but I was looking at a 92 parts truck the other day and I noticed the fuel lines are quite long braided steel covered lines. This may be adaptable to your application.
Dorman Products OE Solutions 2006 Catalog
I can't recall when the change was made, but later model trucks used a HP fuel pump in the tank where earlier trucks used a frame mounted HP pump and LP lift pumps in the tank. I suspect yours is the latter, but I was looking at a 92 parts truck the other day and I noticed the fuel lines are quite long braided steel covered lines. This may be adaptable to your application.
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Senior User
Joined: Aug 2014
Posts: 185
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From: Olanta, PA
Thanks for the advice
All, Thanks for the advice, you were correct, I like the rubber lines because they are much more flexible and easier to use, and I guess I like to stick to what I know..... I am hoping to fire the ol'girl up by the end of the month, I am just waiting for my exhaust to be welded....I curently have it all back together except for the Passnger side fender/inner fender which of course means no battery etc.. I am waiting to put the exhaust back on before mounting the fender...just a lot easier to work when you have room.. I will post some more pics when she is back together if anyone is interested....:
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