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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.
Ed
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From: "Ernest Christley" <echristley@nc.rr.com>
Sent: Saturday, July 02, 2011 12:23 AM
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: [FlyRotary] Leaking injectors?
I was installing a coolant overflow bottle today, working right next to the intake manifold. Kept smelling gas. Then I noticed a little puddle inside the little depression formed by a modification I just added. The new fiberglass didn't have any paint on it, so that is why I could see through it. There was maybe an ounce of gas floating around in the bottom of the manifold.
Could I have been running so rich during my test run that an oz of gas was left on the manifold walls? Or could it be that it dripped through a leaky injector, even though I shut down by switching off the fuel pump in order to relieve line pressure?
I know some others have had problems with leaky injectors. Does anyone have an idea for making them not quite so leaky?
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