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A couple of weeks ago I was talking wth the female pilot for the Right Whale project in St. Augustine, and she showed me the fuel throttle body they had just replaced on their Turbo 337. The fitting on the end of the fuel line going into the throttle body had broken off at the threads. But the most interesting part was that the throttle body also had a crack in it starting at the fitting, which their mechanic surmised was due to over torque at the factory.
The one thing that jumped out at me was that there was the classic blue dye streak on the underside of the housing, which showed that this had probably been cracked for some time, and had a slow leak.
I didn't ask her if they had experienced any fuel or pressure flow issues prior to the break in the fitting, but if I see her agian I will ask and let you know. In the meantime, use the old method of looking everywhere for any blue dye, to try and locate a random leak.
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