On 3/2/2011 5:41 PM, Gene wrote:
On Tue, 01 Mar 2011 19:59:01 -0500, L wrote:

Google results show differing opinions. Has anyone used Teflon tape
without success on a fuel line thread?

TIA,
Larry
FIRST and FOREMOST.... teflon ONLY works on TAPERED threads. If it
isn't a tapered thread.... forget the teflon (or any other sealant..
fix what is wrong).

There are different formulations of "teflon" for different
applications. For fuel, a "non-white" tape is probably called for.
Don't use the wrong kind. Not all tapes are created equal.

Don't put ANY tape on the first 1-2 threads.

There are semi-liquid thread sealants that are better than the tape.
Globs of pipe dope don't seal better; don't put pipe dope on the first
1-2 threads.





I might be wrong but aren't you supposed to use double flared on metal
fittings? I don't think compression or pipe thread is allowed.