<VV> VAPOR LOCK

lonwall@corvairunderground.com corvairs at pacifier.com
Mon Apr 8 19:14:29 EDT 2013


Those are only the Knights that say "ni"........... I can't prove it, 
but from all my research I suspect that 95% of the Corvair problems 
blamed on "vapor-lock" are not vapor lock.

Lon Wall
www.corvairunderground.com



On 4/8/2013 4:07 PM, Joel McGregor wrote:
> I thought I had a vapor lock problem once on my '63 but it turned out the both accelerator pumps were weak.  After a hot soak it would start and run a block or two and quit.  It turned out that it was quitting as soon as the chokes opened because the accelerator pumps were too weak to make up for the lean mixture since it had yet to fully warm up again.  Strange problem but new accelerator pumps fixed it.  I guess when cold the chokes would stay on long enough for the engine to be warmer and it wouldn't quit.  It would run fine most of the time.
> Don't you know that poking fun at global warming is taboo?  You may be severely chastised or some knight might say Ni in your general direction.
>
> Joel McGregor
>
> ________________________________________
> From: virtualvairs-bounces at corvair.org [virtualvairs-bounces at corvair.org] on behalf of N2VZD at aol.com [N2VZD at aol.com]
> Subject: Re: <VV> VAPOR LOCK
>
> I have never knowingly had a vapor lock issue on Corvairs (back here in the
>   cool east) ,but a lot of larger boats have a return line from the fuel
> pump to  the tank to help with this problem. It goes back from a pressure
> regulator ,  like the Spyder fuel filter with return line to the tank.
> Some years back , I had a good size Onan genset on a boat that quit when
> warm. Dealer warranty  Fix was adding a return line and regulator and a
> different load resistor to the field. It had a temp gauge on the dash that never
>   showed overheat , but if quiet enough , you could hear the gas "boiling"
> in the  carb bowl after it quit.
> So I imagine this could be happening under the right heat conditions in our
>   Corvairs. Maybe add a fuel return line using a spyder fuel filter or
> similar  setup would be a fix?
> I can see it now , a large blower and hoses aimed at the carbs.....to
> compensate for global warming.
> Regards, Tim Colson
> Group red
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