Fuel line splice - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-24-2007, 03:08 PM   #11
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There seems to be some confusion here between flare fittings and compression fittings.

Brake lines use flare fittings. The end of the line is actually flared out to match the cone on a flare fitting. It'* a nice positive-retention method of attaching high pressure lines. Flare fittings are also used in household natural gas lines for the reason that they are very reliable.

Compression fittings are different. In a compression fitting, the line is retained and sealed (hopefully) by a brass ring, which is "compressed" or crushed onto the line when the fitting is tightened. These are not as reliable, and are usually only used on water or air lines, non-critical things like that. They are never, ever, to be used on brake lines.

Either might work on a fuel line, but I'd be more comfortable using a flare fitting for the above reasons.

Hope that clears things up.
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Old 09-26-2007, 10:39 AM   #12
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Here'* how my brother repaired my fuel line


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