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Thread sealant for high pressure efi fittings. #1199818
03/19/12 08:28 PM
03/19/12 08:28 PM
Joined: Jun 2007
Posts: 99
Auburn Mich.
5
5.7bob Offline OP
member
5.7bob  Offline OP
member
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Joined: Jun 2007
Posts: 99
Auburn Mich.
What are people using for thread sealant for high pressuse efi fitiings?

Re: Thread sealant for high pressure efi fittings. [Re: 5.7bob] #1199819
03/19/12 09:34 PM
03/19/12 09:34 PM
Joined: Jan 2003
Posts: 1,938
Sonora CA
Mopar_Rich Offline
top fuel
Mopar_Rich  Offline
top fuel

Joined: Jan 2003
Posts: 1,938
Sonora CA
Most EFI fittings are AN or flare and don't require any sealant.
For NPT style threads any pipe sealant will work, even the hardware variety. But never use Teflon tape.

Re: Thread sealant for high pressure efi fittings. [Re: 5.7bob] #1199820
03/19/12 09:34 PM
03/19/12 09:34 PM
Joined: Sep 2005
Posts: 12,481
Chino Valley
RodStRace Offline
I Live Here
RodStRace  Offline
I Live Here

Joined: Sep 2005
Posts: 12,481
Chino Valley
What pressure and what fittings?
If you look at diesels, they are up there!
http://www.dieselbombers.com/dodge-diesel-tech-articles/6805-5-9l-injectors-tech-specs.html

Fuel Injector " Pop Off " Pressure
31,026 kPa (310 bars) or (4500 psi +/- 250 psi)
Fuel Injector Leak Down Pressure
App 20 bars (291 psi) lower than pop pressure

All tube fittings are dry!


Re: Thread sealant for high pressure efi fittings. [Re: RodStRace] #1199821
03/20/12 09:08 AM
03/20/12 09:08 AM
Joined: Jun 2007
Posts: 99
Auburn Mich.
5
5.7bob Offline OP
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5.7bob  Offline OP
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Joined: Jun 2007
Posts: 99
Auburn Mich.
1/4 inch pipe and about 90 lbs.







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