Message-ID: <404A1CB9.3030203@netdoor.com>
Date: Sat, 06 Mar 2004 12:47:21 -0600
From: Charlie & Tupper England <cengland@netdoor.com>
Reply-To: cengland@netdoor.com
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Injectors
References: <list-3066304@logan.com>
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Steve Brooks wrote:

>When I ran my engine I had trouble getting it to idle down.  It wanted to
>run a higher RPM than I thought that it should.  I checked for any air
>leaks, and after closing a bypass hole in the throttle body, it seemed to do
>better, but if I put a plate over the throttle body the engine still runs,
>telling me that its getting air somewhere.
>
>I think that its getting air around the fuel injectors.  I'm using the
>injector tubes from Paul Lamar, and I noticed when I installed the injectors
>that a couple of the tubes were a little loose compared to the other two,
>and all of them were not as snug fitting as the original Mazda fuel rail.
>
>I've been considering putting a bead of silicone rubber around each injector
>to seal off the outside air.  Does anyone have an opinion about that, or a
>better suggestion ?
>
>Steve Brooks
>Cozy MKIV 13BT
>CH 25 - finishing
>

Most silicones (RTV?) can't handle exposure to fuel for extended 
periods.  If O-rings don't work, you might try 'pro-seal' fuel tank sealant.

Charlie