Tri-power guys.....I am installing all new fuel lines and fittings on my tri-power setup. Although nothing was used originally, if I don't want any fuel leaks should I use a little teflon tape where it won't show or have confidence in the fittings doing their job?
'67 TRI-POWER FITTINGS
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Re: '67 TRI-POWER FITTINGS
i use teflon tape not to seal but to reduce the friction in the threads so you can tighten them up so they do not leak. if you are using stainless i would use a spare carb fitting in the bench vise to "seat" the line flares before installing them on the carbs and brass fittings.- Top
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Re: '67 TRI-POWER FITTINGS
I agree that as flare fittings, the seal is there and there's no need for teflon. However, a friend who has a shop and owns several tri-power cars helped me with mine recently and made me use teflon paste on the threads. I don't know if it helped, but after serious leaning on the fittings, no leaks.
Rich Giannotti1966 L79 Convertible. Milano Maroon
1968 L71 Coupe. Rally Red (Sold 6/21)
1963 Corvair Monza Convertible- Top
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Re: '67 TRI-POWER FITTINGS
Rob when ever I am working with steel lines I use a product called leak lock .it acts more as a lubricant (I think)then a sealer.You put on 1/2 of a tear drop all the way at the tip of the threads.NONE SHOULD BE VISABLE WHEN YOUR COMPLETE
Also when I am doing these types of fitting I always use High quaility flare wrenches and use a high quaility back up wrench so I have no twisting. Also it may sound silly but I always do a fitting 3 times
Put it together snug it tight, lossen it.Then back together and snug it tighter, loosen it again and then snug it for the last time.
I dont know how to decribe this well but when I am starting the fittngs I always start the threads by hand till its pretty deep in its fitting by wiggeling and like twisting the pipe so that I know I dont damage the thread by cross threading them.
Then lastley I want to say this is where a good high quaility tool pays off a hundred times over.A good flare wrench realley allows you to apply the correct torqe needed to seal it up.Notice I am not saying a big wrench I am say a high quaility wrench.Vice gripps/Pipe wrench/water pump pliers beside leaving teeth marks crush/oval the fitting so it can never seal up proper.A good flare wrench contacts the fitting it alot of spots allowing for alot of torque with out distorting the fitting.
I cant tell you how many leaks I have fixed for other people just by following the procedure I have listed above.And if I am going to help some one on brake lines or fuel lines I always bring my Flare wrenches and a good set of back up wrenches from my tool box instead of working out of some ones wall mart tool kit. High quaility tools always make the job easyer
Good luck- Top
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