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Old 08-19-2024, 09:55 PM   #1
kwmech
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Fuel injection fittings

Looking for a not so common part. I am doing the plumbing on a fuel injection system and running steel lines down the frame rail. What I am looking for is the steel nut that pushes on the steel line into an O-Ring flare. The nut is similar to an inverted flare, but the threads are metric and the first 2 threads are not there so the O ring will crush down some. All I am getting is all the russel or earls conversion stuff to all the Army Navy fittings. There are 'repair' lines available, but they are only about 9 inches long. I need just the fittings that go on the steel line, then I can flare them to the o ring style

Last edited by kwmech; 08-19-2024 at 10:02 PM.
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Old 08-19-2024, 10:29 PM   #2
mongocanfly
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Re: Fuel injection fittings

Pics of what your looking for? Sounds similar to some hydraulic fittings I've seen
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Old 08-20-2024, 12:22 AM   #3
kwmech
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Re: Fuel injection fittings

The nut on the end here. I can purchase the double flare stuff all day long, but this one is being a unicorn so far. I can get adapters to AN6, but I don't want to run rubber/braided line the length of the frame
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Old 08-20-2024, 07:21 AM   #4
notsolo
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Re: Fuel injection fittings

Is this the style used on the mid 90's TBI, 2 sizes on the back, fuel and return. 3/8 and 5/16 or were they metric.
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Old 08-20-2024, 08:23 AM   #5
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Re: Fuel injection fittings

This?
https://www.inlinetube.com/products/tn33
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Old 08-20-2024, 09:25 AM   #6
kwmech
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Re: Fuel injection fittings

That certainly looks like it........Thanks! I see they've got the 5/16'' also
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