<VV> Vapour Lock? No, Vapor lock

[Ron]

Here in Eastern Washington where I have frequently driven in temperatures of 
110 to 115, I have never had vapor lock.  It must have something to do with 
the politics out east.
RonH

----- Original Message ----- 
From: "Frank DuVal" <corvairduval at cox.net>
To: "Brent Covey" <brentcovey at hotmail.com>
Cc: <virtualvairs at corvair.org>
Sent: Thursday, May 04, 2006 8:18 PM
Subject: Re: <VV> Vapour Lock? No, Vapor lock


>
>
> Brent Covey wrote:
>
>>
>>Vapour lock is very uncommon with Corvairs in my experience, Corvairs are
>>not very prone to it generally, theres no heat in the engine compartment 
>>to
>>speak of compared to a water pumper.
>>
>>Brent Covey
>>Vancouver BC
>> _________________
>>
>
> Spoken like a Canadian!
> Here in Virgina, which is not as hot as other places out west, but we can 
> see 100º at times, I have seen many cases of vapor lock. Now, they could 
> have been aided by weak fuel pumps (like Smitty's example), but back in 
> the early to mid 80's when "they" were fooling with gasoline formulations 
> I installed at least 20 electric fuel pumps on customer cars to overcome 
> vapor lock problems that would not go away with new fuel pumps, replacing 
> rotten hoses, etc. 3 out of the 4 daily drivers I used in the 80's and 
> 90's had electric fuel pumps. People get tired of waiting 20 minuites to 
> restart their car after in dies in the road a block away from where they 
> parked on a hot day.
>
> The heat in the engine compartment is from the engine. When you stop, the 
> 400º heads must pass their heat onto something since the fan is no longer 
> turning. Typically this heat rises and goes into everything above the 
> heads (carbs, fuel system. alternator, etc.). Corvairs are cooler when 
> running, but hotter when stopped.
>
> Frank DuVal
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