[Diy_efi] Re: Plumbing - EFI conversion

Dogleg Racing dogleg_racing at hotmail.com
Mon Jan 26 04:17:05 GMT 2004


Thanks, I have made up a surge tank and I have 3/8" and 5/16" feed and 
return lines.  I have modified the tank outlet with low pressure in-tank 
pump and 1/2" outlet (to the surge tank) and 5/16" return.

The standard line is plastic and goes through the cabin and I plan to 
re-route the efi lines outside of the cabin.  I'll probably use P clamps.

Cheers all

from Oz - Beautiful one day, perfect the next!

>Message: 2
>Date: Sat, 24 Jan 2004 00:40:29 -0500
>From: "bill" <breadon at snet.net>
>Subject: Re: [Diy_efi] Plumbing - EFI conversion
>To: <diy_efi at diy-efi.org>
>Message-ID:
>as a VERY general rule the return line should be 1 size smaller than the
>feed line  i.e. 3/8" (10mm) feed use a 5/16" (8mm) return line I like to 
>run
>the return line next to the feed line when possible. If you are converting
>from carb to efi you will probably need to fabricate a surge tank as most 
>if
>not all carb vehicles didn't have any baffling in the tank to keep the fuel
>pump fed under all conditions, an aftermarket fuel cell may work or if you
>have a common body style there may be a suitable donor tank available in 
>the
>bone yards. Enjoy your summer down there; it is a "balmy" 10 degrees
>Fahrenheit here in New England.
>------------------------------

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