On 22 Feb 2004 00:31:39 -0800, (Paul Lee)
wrote:

:What works best for fuel line thread sealant.
:Teflon, RTV-silicone?

Either Fuelube or EZ turn
http://www.aircraftspruce.com/catalo...ezturnlube.php

Teflon tape and RTV are very bad in a fuel syste. Teflon tape, if it
is wrapped beyond the threads, can tear off and clog the system. RTV
swells and becomes very soft when exposed to fuel or oil.