[Diy_efi] : returnless fuel rails

[William Shurvinton]

So how does one get around all of the problems that caused people to put
return lines in from the get go? I know that some diesel systems incorporate
a pump and injector in the same unit and I guess some DI petrols do the
same.

but you still have to address pressure regulation and avoiding vapour build
up.

Bill
----- Original Message -----
From: <Shannen at grolen.com>
To: <Diy_efi at diy-efi.org>
Sent: Sunday, May 26, 2002 10:37 PM
Subject: [Diy_efi] : returnless fuel rails


> DThe first application of returnless GM efi which I saw was the port fuel
> injected big block engines.  I believe many manufacturers are using
> returnless systems now that OBD II evaporative emissions standards are
> in effect.  Returnless systems do not transfer heat to the fuel tank.
> Shannen



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