<VV> Early Spyder fuel return

[Duane, Jim (US SSA)]

Hi Andy.

	The fuel return port/line bleeds off pressure.  Look at it
another way.  It's not the heavy handed pump but rather the wimpy
mid-'50's era tractor carb's inlet valve.  I have both the return line
AND the regulator in my setup.  

Jim Duane
'66 180 Corsa CVT
Colonial Corvairs
CORSA  

-----Original Message-----
From: virtualvairs-bounces at corvair.org
[mailto:virtualvairs-bounces at corvair.org] On Behalf Of Andy Clark
Sent: Friday, January 19, 2007 2:32 PM
To: virtualvairs at corvair.org
Subject: Re: <VV> Early Spyder fuel return

Rusty, I removed the fuel return line from the 180hp Cord after
installing
an electric fuel pump and pressure regulator set to 3 psi. I could see
no
need for the return line with this configuration, and after running this
way
for over a year have had no issues.
For those more knowledgeable about stock Corvair fuel systems on turbo
motors, I have a couple of questions:
How does the fuel return port on the side of the filter regulate fuel
pressure accurately. It seems to be just a fixed orifice. Is the fuel
flow/pressure from the stock mechanical pump so high that it overcomes
the
inlet seat in the YH carb, and that's the reason for the return line?
Andy Clark
1966 140/4 Monza Sedan
1966 140/4 Yenko Clone
1966 180/4 Cord 8/10 #60
----- Original Message ----- 
From: "R. Stalder" <stalder at cox.net>
To: <virtualvairs at corvair.org>
Sent: Friday, January 19, 2007 11:25 AM
Subject: <VV> Early Spyder fuel return


If I have a fuel pressure regulator installed on an early Spyder, should
I
still run a fuel return line?

Any input would be greatly appreciated.
Rusty Stalder, Mesa AZ
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