How to *properly* run AN fittings with stock fuel lines

Basic tech questions such as future setups, different turbo kits, car diagnosis, etc

Postby Chris28 » Mon Feb 25, 2013 10:29 am

You can also use Earl's part number 165056ERL, it converts 5/16" hardline to -6an.

http://www.summitracing.com/parts/ear-165056erl
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Postby airman » Mon Feb 25, 2013 10:52 am

Nice find Chris. Use a legit tube cutter and there will be no flaring necessary, right?
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Postby kacam24det » Mon Feb 25, 2013 4:55 pm

sweet write up found the solution i needed was gunna run braided line all the way back to the tank not anymore
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Postby Chris28 » Mon Feb 25, 2013 9:36 pm

airman wrote:Nice find Chris. Use a legit tube cutter and there will be no flaring necessary, right?


Correct. There's a small piece inside the two halves that essentially flares and seals the stock line as you tighten it. I just noticed these are only rated up to 50psi though, not sure how much a regular 37° flare fitting is rated to but you might run into issues if you run over 4 bar fuel pressure.
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Postby airman » Tue Feb 26, 2013 11:15 am

Hmm 50psi rating would be pushing it - especially if you're boosting 20+ psi.

Regular flare fittings are the same fittings used in hydraulics - aka 3000+ psi lol. Of course at that point the hose limits that.

Hmm, also the 50 psi rating might be a safety factor of 2 or more. Might still be okay but I would want to verify with the manufacturer. There could be a similar option by another vendor that can handle the pressure comfortably.
R.I.P. 1990 Red Hatch - DOHC 5 speed // CP 9:1 - Eagle Rods - Clevite - ARP // Holset HX35 - 20psi daily - MSPNP2
8-bit wrote:You could spend your life building a ladder to the moon, or work for 5 years to pay for a trip.

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Postby Chris28 » Tue Feb 26, 2013 11:37 am

Yeah, I'm sure there's a factor of safety in the 50 psi limit, I wonder what it is. If I get bored I might give Earl's a call and see why the rating is so low and if it's ok to be over 50psi as long as it's not continuous.
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Postby Jmoore124 » Sun Mar 03, 2013 7:52 am

That is a compression style fitting. The exact fitting the OP suggested against using in his post. You can go that route, but I would never trust a compression fitting to my main fuel line feed.
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Postby Chris28 » Mon Mar 04, 2013 8:20 pm

Yeah, after reading about compression fittings I'm going to return them to Summit and go with the flare fittings.
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Re: How to *properly* run AN fittings with stock fuel lines

Postby wtfarpus » Tue Jul 23, 2013 8:47 am

awesome write up man thanks alot.
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Re: How to *properly* run AN fittings with stock fuel lines

Postby wtfarpus » Tue Jul 30, 2013 10:35 pm

thanks alot, was actually going to do this, great write up.
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Re: How to *properly* run AN fittings with stock fuel lines

Postby Rb26kouki » Wed Oct 09, 2013 11:27 am

Great write up very helpful
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Re: How to *properly* run AN fittings with stock fuel lines

Postby ZERTARACING » Tue Nov 05, 2013 7:21 pm

Will Be doing this when I go KA-T thats for sure. Nice write-up.
Building my S-chassis in my garage, piece by piece.
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Re: How to *properly* run AN fittings with stock fuel lines

Postby JoeDirte » Thu Mar 20, 2014 1:12 pm

This makes chase bays kit look sad...
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Re: How to *properly* run AN fittings with stock fuel lines

Postby airman » Fri Jun 27, 2014 6:23 am

The more I read about the compression/slip on fittings, the more I'm scared of them!

The last thing you want is atomized fuel spraying out in a hot engine bay from a high pressure leak. No thanks. I'll do it the right way and use flared tubing with the tube nut. No way I'm risking my engine bay at just the minimum to save some effort up front!
R.I.P. 1990 Red Hatch - DOHC 5 speed // CP 9:1 - Eagle Rods - Clevite - ARP // Holset HX35 - 20psi daily - MSPNP2
8-bit wrote:You could spend your life building a ladder to the moon, or work for 5 years to pay for a trip.

Thinking about E-Mance? Think twice and read this:
viewtopic.php?t=45057&postdays=0&postorder=asc&start=0
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