2nd Generation Specific 1986-1992 Discussion

An Fittings Are A Pita!

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Old Jun 25, 2003 | 12:30 AM
  #11  
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On the K2rd I just used a 6 to 8 union with an o-ring inside on both side. Make them tight and should be ok. I pressure tested mine too like over 100psi, no leaks when the FPR was stuck, lol. The pressure was so high, my fuel filter started to leak at the bottom end.



You gotta use heavy duty Teflon tape on NPT threads.



C
Old Jun 25, 2003 | 01:05 AM
  #12  
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Can I add O-rings to any an adapters? I have a big kit..... Cuz i doubt the ones I just ordered have o-rings...
Old Jun 25, 2003 | 02:06 PM
  #13  
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Dammit just blew another $70 for fittings with O-rings... I wish i would have never went this path...
Old Jun 25, 2003 | 02:37 PM
  #14  
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Originally Posted by 1Revvin7' date='Jun 25 2003, 06:05 AM
Can I add O-rings to any an adapters? I have a big kit..... Cuz i doubt the ones I just ordered have o-rings...
you only use O rings on AN O ring fittings.



Yes, you can add O rings to fittings that are AN O ring but didnt come with the O rings but require them, or need them replaced.





Earls and Aeromotive doesnt even provide O rings with the AN O ring fittings they sell, at least in my experience. You can buy baggies of AN O rings from Earls, I bought a bag to do my car.
Old Jun 25, 2003 | 03:12 PM
  #15  
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That looks like a Earls crush washer, and the fitting looks like a GM O-ring fuel line to AN flare adapter (or power steering to AN adapter) NOT what you need, which is a AN O-ring to AN Flare adapter (-6 to -6) AKA 'Port Adapter'.... just search for aeromotive on summit or jegs, look at their product list and you will find fuel fittings, including the port adapters and the O rings needed for them.





Useful advice: find a local speed shop that carries AN hardware. It's nice when you get to know the employees and they just let you go out back and rummage through the bins to find what you need, with parts in hand for test fit. I've had places even on first visit where the owner takes me back and spends over an hour with me finding the right fittings for the exotic piece of equipment I brought in with me. Supporting small local businesses is cool too.







1revvin7: I know I already helped you with this on AIM, but it's useful to have it archived here for others to utilize, perhaps a fitting writeup would be useful explaining AN O-ring vs AN Flare vs NPT vs crush washer junctions.





edit: 1revvin7 seems to have removed the post where he has the culprit fitting photographed, ah well.
Old Jun 25, 2003 | 04:33 PM
  #16  
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Old Jun 25, 2003 | 04:35 PM
  #17  
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Originally Posted by pengaru' date='Jun 25 2003, 03:12 PM
1revvin7: I know I already helped you with this on AIM, but it's useful to have it archived here for others to utilize, perhaps a fitting writeup would be useful explaining AN O-ring vs AN Flare vs NPT vs crush washer junctions.
That would be a great idea, It seems everyone who uses -An fittings has atleast an extra $100 worth of fitting laying around afterwards from misorderd/wrong fittings
Old Jun 25, 2003 | 04:38 PM
  #18  
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Originally Posted by pengaru' date='Jun 25 2003, 12:12 PM
Useful advice: find a local speed shop that carries AN hardware. It's nice when you get to know the employees and they just let you go out back and rummage through the bins to find what you need, with parts in hand for test fit. I've had places even on first visit where the owner takes me back and spends over an hour with me finding the right fittings for the exotic piece of equipment I brought in with me. Supporting small local businesses is cool too.
the place i go to, i just show em the pieces and they know what to sell me



mike
Old Jun 25, 2003 | 04:40 PM
  #19  
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Originally Posted by j9fd3s' date='Jun 25 2003, 04:38 PM
[quote name='pengaru' date='Jun 25 2003, 12:12 PM'] Useful advice: find a local speed shop that carries AN hardware. It's nice when you get to know the employees and they just let you go out back and rummage through the bins to find what you need, with parts in hand for test fit. I've had places even on first visit where the owner takes me back and spends over an hour with me finding the right fittings for the exotic piece of equipment I brought in with me. Supporting small local businesses is cool too.
the place i go to, i just show em the pieces and they know what to sell me



mike [/quote]

I should open my own shop, I have never seen a hotrod shop around here.... No wonder everyone around here just has bolt-ons.....
Old Jun 26, 2003 | 11:51 AM
  #20  
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Originally Posted by j9fd3s' date='Jun 24 2003, 06:19 PM
i hate npt and an fittings



mike
if u don't use NPT or AN fitting what is left?



what does FAA aircraft spec call for, for fitting wise i mean.



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