I would do PTFE. I Did my whole fuel feed and return system just this past winter. It was worth it (for me) to just go all out and do it once and have them be done for good on the car. everything from the tank to meeting up with the fuel rails is PTFE and -AN fittings. -8 feed and -6 return. cost a few hundred dollars because I bought about 4 feet EXTRA of each size of line, extra fittings, extra olives, and some billet clamps to hold both lines together. all from RACETRONIX
I just knew that if I did PTFE it would eliminate me having to go re-do them anytime in the nearby future. I also knew that E85 isn't around us NOW, but that PTFE will be totally fine if it does come up for future use after the engine project is done next winter.
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1987 IROC-Z - modified
Last edited by IROCZman15; 12-11-2018 at 10:55 PM.
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