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Well, it turns out the seal between the injector bottom half and the manifold was not all what it should be either {:>). My idle speed did come down after I fixed both leaks - but, if your injectors are sealed air tight in their boss then you can probably discount the upper "O" rings as a source.
Ed
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From: "Ernest Christley" <echristley@nc.rr.com>
Sent: Saturday, July 02, 2011 5:47 PM
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Leaking injectors?
On 07/02/2011 07:32 AM, Ed Anderson wrote:
Ernest, something you may want to check is the "rubber" "O" ring used to seal the top of the injector into the fuel rail. I had a leak that about drove me crazy finding it - because the fuel was at the bottom of the gravity well and I assumed it was leaking from the pintle end of the injector. Turned out it was the other end going up into the fuel rail.
So I don't go crazy (er), how did you find the leak, Ed. The fuel was on the inside of the manifold? How could the fuel get from the top of the injector to the inside of the manifold?
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