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Date: Fri, 14 Oct 2005 14:36:38 -0400
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From: Jack Cowell <jackcowell@optonline.net>
Subject: Re: [LML] Fuel Selector/Vapor Lock
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Dave Nassar wrote:
> I am new to the IV-P community and have recently completed my training 
> w/ Pete Zagganino (excellent).  I am not a builder and purchased the 
> airplane last year and have updated it to all modern standards.  I have 
> a very concerning problem that I can not seem to get an answer on. It 
> relates to vapor lock.  I have now experienced a partial engine 
> shutdown as I switched tanks), and always on the left tank.   I was told 
> to change the fuel selector to the new Andair System which I did and the 
> problem persists. The problem occured once at low altitudes without 
> changing tanks, and the other two times have been at 15,500 or more w/ 
> low boost on.  It is quite alarming to say the least given this last 
> episode (today) occurred over Moab.  I can’t seem to get an answer on 
> how to mitigate the problem.  Can anyone help? 
> 
>  
> 
> My name is David Nassar and I live in Boulder, CO.  Thank you in 
> advance.  303-775-5502
> 
>  
> 
David -- My IVP had this problem early on (but ONLY when changing tanks) 
and the builder discovered that if he went to full rich before changing 
tanks the problem was solved. Hope this helps.