[Diy_efi] : ask the clowns at CSH, HQexperts #1

[Bruce]

----- Original Message -----
From: "William Shurvinton" <shurvinton at orange.net>
> Was having a discussion on surge pot plumbing in the case where you have a
> LP pump feeding the surge pot. Consenus was that in this case the return
> line to the tank was mainly for removing air that had gotten in and so
> should be fitted with  a restrictor to prevent the LP pump circulating the
> tank contents around every 10 minutes. Wondered if this was generally
> considered a good or bad thing?

It's A Necessary Thing.  Fuel boils at room temp (low end aromatics).  So
you need to continually purge the system of them.   You also have to have
the fuel lines continually run up hill so trapped bubbles can easily purge
themselves out of the system.   While overlooked, fuel lines need to be just
full of fuel, and it's harder then it looks.
Bruce


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