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Sealing -AN plumbing???

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falcon fanatic
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Sealing -AN plumbing???

Post #1 by falcon fanatic » Mon Jun 01, 2015 1:49 pm

Hi Y'all,
I'm doing a fuel injection conversion on my Falcon and I'm using -6AN hose for the plumbing. I'm wondering what kind of thread sealant I should use on these connections. Any advice?
'63 Futura Convertible. Disc/drum, Bilsteins, beefy swaybars, #480 springs, roller or spherical everything up front, HD shackles on stock springs out back. Megasquirt FI on ported, big valve aussie head w/ roller rockers; 10:1 6000rpm engine; 264/274-12*; C-4, Maverick 8" 3.25 W/trac-lok and perimeter frame inside the unibody. More to come...
http://falconfanatic.blogspot.com/

motzingg
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Re: Sealing -AN plumbing???

Post #2 by motzingg » Tue Jun 02, 2015 5:19 pm

none!

they seal on the flange face, don't use any sealant but make sure the seats are clean with no scratches or nothin.

falcon fanatic
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Re: Sealing -AN plumbing???

Post #3 by falcon fanatic » Tue Jun 02, 2015 9:39 pm

Really? Metal to metal? I can see that 37* flange looks mighty special, but really? I'm not talking about the hoses but the screw-together junctions: hose to fuel rail, hose to pump, hose to pressure gauge, etc.
'63 Futura Convertible. Disc/drum, Bilsteins, beefy swaybars, #480 springs, roller or spherical everything up front, HD shackles on stock springs out back. Megasquirt FI on ported, big valve aussie head w/ roller rockers; 10:1 6000rpm engine; 264/274-12*; C-4, Maverick 8" 3.25 W/trac-lok and perimeter frame inside the unibody. More to come...
http://falconfanatic.blogspot.com/

garyt120r
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Re: Sealing -AN plumbing???

Post #4 by garyt120r » Wed Jun 03, 2015 6:09 pm

AN fittings are routinely used in 3000psi aircraft hydraulic systems. No thread sealant used. You'll b fine with a 45psi auto system.:)

falcon fanatic
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Re: Sealing -AN plumbing???

Post #5 by falcon fanatic » Thu Jun 04, 2015 1:38 pm

Great news!
'63 Futura Convertible. Disc/drum, Bilsteins, beefy swaybars, #480 springs, roller or spherical everything up front, HD shackles on stock springs out back. Megasquirt FI on ported, big valve aussie head w/ roller rockers; 10:1 6000rpm engine; 264/274-12*; C-4, Maverick 8" 3.25 W/trac-lok and perimeter frame inside the unibody. More to come...
http://falconfanatic.blogspot.com/

falcon fanatic
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Joined: Thu Nov 21, 2002 5:50 pm
Location: The People's Republic of Boulder, Colorado
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Re: Sealing -AN plumbing???

Post #6 by falcon fanatic » Sun Mar 13, 2016 7:07 pm

For the record that was correct. these seal perfectly.
'63 Futura Convertible. Disc/drum, Bilsteins, beefy swaybars, #480 springs, roller or spherical everything up front, HD shackles on stock springs out back. Megasquirt FI on ported, big valve aussie head w/ roller rockers; 10:1 6000rpm engine; 264/274-12*; C-4, Maverick 8" 3.25 W/trac-lok and perimeter frame inside the unibody. More to come...
http://falconfanatic.blogspot.com/

RichCreations
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Re: Sealing -AN plumbing???

Post #7 by RichCreations » Mon Mar 14, 2016 6:16 am

falcon fanatic wrote:For the record that was correct. these seal perfectly.


they almost never leak, unless over tightened

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