Fuel Line - Vintage Mustang Forums
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post #1 of 10 (permalink) Old 08-20-2019, 06:20 PM Thread Starter
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Fuel Line

I bought a prebent pump to carb fuel line to replace my well bent line.

What do you think of this for insulating the line?

https://www.amazon.com/Inch-Line-Pip...GBVN1BGZG&th=1


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post #2 of 10 (permalink) Old 08-20-2019, 06:47 PM
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more than likely you will end up trapping heat in the line
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post #3 of 10 (permalink) Old 08-20-2019, 08:52 PM
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Quote:
Originally Posted by 2nd 66 View Post
more than likely you will end up trapping heat in the line
Yes. Even rubber lines are bad about it. If you were going to remove heat, you'll need to increase surface area, but I wouldn't worry too much about that line. I just put on a stainless one and it has not hurt mine at all in 90-100° temps.

My 1st car...
'66 Tahoe Turquoise/ Aqua coupe
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'66 Emberglo / Parchment deluxe coupe
•289 / 2100 •C4 Auto
•Dealer A/C • Console
•Dual Exhaust • Power Steering

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'66 Nightmist / Blue & white deluxe coupe
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post #4 of 10 (permalink) Old 08-20-2019, 09:39 PM
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What problem or "potential" problem are you seeking to prevent?

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post #5 of 10 (permalink) Old 08-20-2019, 10:51 PM
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I'll admit that I run a rubber line from the fuel pump to the Holley. I have the complete line insulated with this:

https://www.summitracing.com/parts/a...0906/overview/

I have never had any problems heat related with this setup. I also run a 1/2" wooden spacer under the carb.

Gary
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1967 Coupe, 289-4V, T-5
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post #6 of 10 (permalink) Old 08-20-2019, 11:13 PM
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I've got some heat sleeving on mine--the previous owner had put it on, maybe for vapor lock?
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post #7 of 10 (permalink) Old 08-21-2019, 09:38 PM
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If you're worried about heat then leave the line uncovered. Anything you put around it will help TRAP heat inside. If you experience fuel vaporization issues in the line with steel, add a heat sink. You can buy finned heat sinks or use what we did "in the old days".
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post #8 of 10 (permalink) Old 08-21-2019, 10:31 PM Thread Starter
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I bought a Summit black powdercoat intake and a 500 cfm carb to replace my 2100.

The new fuel line looks like it will bolt up to the carb inlet with minimal tweeking.

The fuel line runs pretty close to the block and manifold, so I think I need something.

https://www.summitracing.com/ga/part...0bk3/overview/


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1967 Mustang Coupe 200/C4
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post #9 of 10 (permalink) Old 08-22-2019, 12:17 AM
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Steel fuel line fixed my problem. I didn’t have room for a phenolic spacer. (351)

I also switched to full manifold vacuum which seemed to reduce the temps under hood at idle


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post #10 of 10 (permalink) Old 08-22-2019, 04:24 PM Thread Starter
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My new fuel line runs behind the distributor while the one on the car when I bought it runs in front of the distributor.

Which would have been correct?


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