Fuel and Ignition Fuel Pumps and Systems, Ignition and Spark Systems

Compression fittings on fuel lines.

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Old 06-30-2008 | 08:03 PM
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mdacton's Avatar
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Compression fittings on fuel lines.

Good idea or bad idea?

I was going to run some aluminum line and reroute my lines. Would it be o.k. to use compression fittings or hard line adapters? I have not tried them before on AN adapters.

Is this a bad idea? I think thew aluminum would be alot lighter than all the braided on it now......
Old 06-30-2008 | 08:53 PM
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If you don't run braided hoses, NHRA requires that you encase the metal lines in a steel pipe, where they go past the clutch or pressure plate.

A lot of people use the compression fittings to adapt the stock hard lines at the fuel rails to braided supply and return lines, and I haven't heard anyone report any problems with them.
Old 06-30-2008 | 09:31 PM
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I was going to try and route it where the stock lines go to the drivers side wheel well at the firewall and put bulk heads in it.

Right now I have braided going throught the trans tunnel...... Not pretty

So I'm wondering if its even worth bothering with.
Old 07-01-2008 | 11:46 PM
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I used hard line to hose adapter AN fittings at the sending unit to connect it to my new lines. Compression on one end of the adapter and male AN on the other end. That was also a compression fitting on steel lines at the sender. No leaks and worked out nicely. Don't see you having any problems using it on aluminum line either.

Ken R.
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