Join Date: Sep 2008
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Help with JIC fitting on RiffRaff HPx ??
Not wanting to miss the opportunity to take something simple and make it difficult, I installed the Riffraff HPx crossover today and think I may have messed it up so wanted to check with those who are familiar with the JIC, flare type fittings used on the Riffraff HPx kit.
It's a very simple install. I got the ORB to JIC fitting into the oil rail no problem. Then installed the solid cross over line with its flare fitting and flare nut. I was unsure of how much torque to use on the flare nut so called riffraff to get a torque spec, they said there wasn't a reference but that it needed to be "pretty tight to crush the ferral in the flare fitting."
So with a 8" open wrench I began tightening. After plenty turning of the wrench, I noticed I had the flare nut bottomed out on the ORB nut. Didn't really seem to take that much torque to do it; I was using only a 8" wrench and in a awkward position where I couldn't really wrench on it. Besides having the flare nut bottomed out on the ORB nut, the other thing that makes me think it's messed up is the flare nut got easier to turn at the end of the tightening, like something stripped or yielded.
Haven't started to motor up yet because I'm in the middle of the Fuel cross over install. But if I've messed up this fitting, might as well start over with it. Even if it holds oil pressure now, maybe it won't at some point due to damage I've caused? What do you think? Is it possible to over torque these JIC fittings and damage them?
1999 F350 DRW Long Bed Crew Cab 4x4
Carries 5000lb+ Lance Camper
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Riffraff fuel and oil crossover
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