Installing new fuel line 66 442

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Old Jul 10, 2025 | 04:06 PM
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Andy's Avatar
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Installing new fuel line 66 442

Any tips on installing an inline tube metal fuel line in a 66 442, frame on and no lift? Is it possible? I am having a hell of a time trying to get it over the rear hump and without bending or breaking that one piece line? Any tricks tips? Someone before I bought this project took the fuel lines out, put new body bushings on it years back without replacing the fuel lines first. Now my concern is do I have to lift this body up somehow and take a chance on more cage nut problems or is there a way to do it with body on? I thought maybe cut it in two pieces and use compression fittings to reattach? I don’t know. Any ideas?

Last edited by Andy; Jul 11, 2025 at 05:24 AM. Reason: Wrong title
Old Jul 13, 2025 | 03:52 PM
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Well looks like I can cut it, and slice..I used the old one to mock it up..
Old Jul 14, 2025 | 03:14 PM
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How did it turn out?
Old Jul 14, 2025 | 04:28 PM
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Originally Posted by Del70
How did it turn out?
New 3/8’s line from in-line tube just came today. However, I’m on the road to Bowling Green so I’ll be back next Sunday by next week. I’ll put some pics of how it works out. I locked it up with the old one it’ll be it’ll be a cinch.
Old Jul 16, 2025 | 09:56 AM
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Hi Andy,
I'm not sure if the '66 is trickier than a '69 but I've replaced both fuel lines (sender and return) on my 442 without having to lift the body. It ain't easy but it can be done. What worked for me was feeding the line through the rear passenger wheel well. Put the car on jackstands and remove the wheel. There should be a small (~1") gap between the frame and the inner wheelhouse sheet metal. Feed the line(s) through that gap. My lines are stainless and I did have to bend them slightly at one point to get them in but I didn't have to cut anything and the bending was minimal.
Good luck.
Old Dec 12, 2025 | 10:25 AM
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Were you able to get the line installed?
Old Dec 12, 2025 | 10:50 AM
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Originally Posted by Del70
Were you able to get the line installed?
yep, I cut it and spliced it right by the rear frame hump goes up. If I had a lift and a person helping I may have been able to do it in one piece, but I have neither. Interestingly the 65 442 factory fuel line was cut and sliced where I did mine. So it worked out great.
Old Dec 28, 2025 | 05:04 AM
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Andy, why do you say the 65 442 fuel line was cut and sliced? Thanks.
Old Dec 28, 2025 | 05:11 AM
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Originally Posted by Greg Rogers
Andy, why do you say the 65 442 fuel line was cut and sliced? Thanks.
in talking to Curt Anderson at the nationals this summer I was telling him how I had to cut my fuel line to get it in because the car was still in the frame and where I cut it and he said that’s interesting because in 65 they came two pieces like that they were pre-cut basically exactly where I cut them.
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