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Converting three port fuel pump system to two port pump



    The third port on the Alfetta fuel pump was a short circuit off the return line.  It sent hot fuel back to the engine.  Plugging it off was suggested years ago by Joe Benson (former AROC tech advisor) so that colder fuel from the tank would reach the engine.

Ciao,
Russ Neely
Oklahoma City


In a message dated 3/26/2003 2:50:00 PM Eastern Standard Time, owner-alfa-digest@domain.elided writes:

> Date: Wed, 26 Mar 2003 10:40:32 -0800 (PST)
> From: Ian Lomax <sfalfisto@domain.elided>
> Subject: Converting three port fuel pump system to two port 
> pump
> 
> I have found a working two-port Bosch fuel pump from a
> 72 SPICA Alfa, and I want to use it on my 75 Alfetta
> to replace the dead three-port pump.
> 
> The third port on the Alfetta pump is a pressure
> release valve.
<snip>
> 
> Thanks!
> Ian
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