<VV> Time to Fix the Vapor Lock

[FrankCB@aol.com]

    Agreed.  The vapor lock problem this time of year is exacerbated because 
the winter gas has a higher vapor pressure (so it can vaporize in cold 
weather) and this gas may still be present in the refueling stations before the 
summer gas (with lower vapor pressure) shows up.
    You can try to insulate the lines and pump OR go to an electric pump 
mounted in the tank (or close to it).  Once the gas is under pressure, it's MUCH 
less likely to vaporize.
    Another advantage of an electric pump is that you can use it to empty the 
tank of older gasoline before you put your Corvair to sleep for the winter.  
Then add the stabilizer and refill the tank with fresh gasoline to minimize 
the condensation of water from the air that seeps in and out as the tank 
"breathes" due to changes in ambient temperature.
    Frank Burkhard

In a message dated 4/21/04 2:51:01 PM Eastern Daylight Time, 
hmlinc@sbcglobal.net writes:
Ron,

It does not happen when you are driving them - even in HOT weather.  It
happens when you have been driving it and gotten it quite warm... and then
stop for 15 or 20 minutes.  During the stop the heat soaks into the fuel
lines (and I guess the pump as well, per Ken) and turns the liquid gas to
vapor.  The pump cannot move the vapor, only the liquid.

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Later, JR