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Mike etal:

<<The Continental fuel system returns fuel/vapor from a chamber inside the
pump
itself, so it is never seen at the fuel flow transducer. >>

Thanks for the correct info.  I should have deduced the same from John
Deakin's AvWeb column "Those Fire Breathing Turbos (Part 4)", where he
discusses a TCM hot start procedure utilizing the boost pump for 1 minute
with the mixture control in idle cutoff.  This procedure sends cool fuel thru
the engine pump and back to the tank via the pump's "vapor vent line", thus
cooling the heat soaked pump and reducing premature vaporization of the fuel
during start.  That return line is, of course, in the system before the
throttle body and divider. Duh!

I could have checked all this out on my TCM powered Skymaster, but I sold it
two weeks ago -- must be separation anxiety leading to mental incapacity (at
least thats' what they tell me at the institution).

Scott Krueger
N92EX  
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