Im close to having a project wrapped up involving a late model VW motor, and I want to change the fuel lines from the current rubberish versions to something nicer. I wanted to use hardlines so I can polish them, but I get the feeling that since they will be pressurised that hardlines wont be an option. I really dont want to use braided lines, any thoughts?
Beats the **** out of me. Every search I have ever completed for high pressure fuel lines results in either the rubber type or braided ones. I dont recall seeing any hard lines ever in a high pressure environment. Not that I dont think it can be done, but I dont know for sure.
"I dont recall seeing any hard lines ever in a high pressure environment. Not that I dont think it can be done, but I dont know for sure." I'm having a hard time understanding this.
I dont see why exactly, but what I am saying is that every time I have seen a hard line its on a carb'ed application. On FI cars I always see rubber or braided.
hard lines can be used with the propper flare fitings not regular compression fittings. flex lines should be either braided or heavy duty rubber rated for the pressure.
The fuel rail is basicly a hard line. Use flex lines where movement or vibration would be a problem. Steel or stainless steel hardline would be best. copper and aluminum line can work -harden,with movement. Aircraft specs would be a good source to follow.
not on an oem. hard lines with as little flex line as possible. THATS how the Big 3, Nissan, Toyota do it. Run 3/8 steel line, flared fittings, done.
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