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From: "Eric Parlow" <ericparlow@hotmail.com>
To: lancair.list@olsusa.com
Subject: Re: Sniffle valve on IO-550-N (or G)?
Date: Wed, 07 Feb 2001 23:23:50 
Message-ID: <F123mOLSSPwQmWO2Isk000031f7@hotmail.com>
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          <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>>
          <<  Lancair Builders' Mail List  >>
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>>

The sniffle valve is definitely required.  If it is not installed the low 
manifold pressure(gage) will draw unfiltered air into the cylinder port 
drains.  The TCM part number is 639486.  The sniffle valve for the 
turbocharged engine is different.  It is a two way valve to deal with the 
low and high manifold pressure(gage).

ERic--

----Original Message Follows----
From: "J. N. Cameron" <toucan@The-I.net>
Reply-To: lancair.list@olsusa.com
To: "Lancair List" <lancair.list@olsusa.com>
Subject: Sniffle valve on IO-550-N (or G)?
Date: Wed, 7 Feb 2001 15:29:19 -0600

           <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>>
           <<  Lancair Builders' Mail List  >>
           <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>>
 >>
     When I built my first ES, the manual did not call for a sniffle valve 
on
the non-turbo'ed engine.  The manual calls for a restricted-flow elbow,
threaded into a (flush) FU-2 type brass plate.  Conversations with tech
support (back about '98) confirmed that no sniffle valve was called for.
The flush plate is a bad idea, as any drainage from it just sorta slides and
slimes its way all the way back to the tail.  A short, 45-degree-angled tube
works much better.
     Any ideas about the sniffle valve for the IO-550-N?  Needed or not?

Jim Cameron, ES Builder


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