<VV> Early Spyder fuel return

[cjcavitt at comcast.net]

I don't know about the keeping it cool part but i have alway been under the impression that the return was a cure for vapor lock like ed just said, i don't know if it keeps it any cooler but by having an open end at the return line it keeps bubbles from forming and stopping flow so it can circulate the fuel and keeping out the vapor lock. anyway that what ive always been told and believed for years but maybe not true.  curt

-------------- Original message -------------- 
From: "Ed Dowds" <ed_dowds at hotmail.com> 

> I think the return line was not designed at a fuel pressure regulator. I 
> think it was used to keep the fuel cool by allowing some circulation in the 
> lines when the needle stopped the flow to the carb. The same system was used 
> on Corvettes around the same time. 
> In later years Chevy used a few fuel pumps with the return line. These were 
> used on high HP engines and A/C cars so that is what makes me think it was 
> for curing vapor lock rather than to regulate the fuel flow. 
> Ed 
> 
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