wrote:
My mechanic is getting ready to install new (hideously expensive) fuel
valves in my Comanche and he indicated that he did not want to use
teflon tape on the pipe fittings. Any ideas why teflon is undesirable
for fuel applications? I thought that it was pretty inert.

-ifsc
My mechanic will not use it either. I think pieces getting loose in the
fuel path.

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Regards, Ross
C-172F 180HP
KSWI