fuel line size

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Old

Aug 18, 2012 | 07:24 PM

#1

grnlzrd

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Mountain Pass

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From: NW Ohio

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fuel line size

Line from pump to carb; is it 5/16", 1/2-20 fitting, or 3/8", 5/8-18 fitting?

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Old

Oct 21, 2012 | 11:33 PM

#2

mark1986F150

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Did you ever find out? I know for sure that it isn't 1/4NPT or 3/8NPT (I took my fuel pump up to Lowes to try to find a fitting).

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Old

Oct 25, 2012 | 06:48 PM

#3

mark1986F150

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FYI it is a 1/2- NF20 inverted flare. I found an adaptor to -6AN at a hydraulic parts store but you can find it on any number of websites.

Edit: not sure what size inlet the stock carb is though.

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Old

Oct 26, 2012 | 03:12 PM

#4

grnlzrd

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Mountain Pass

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From: NW Ohio

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Ended up finding a place that sold specialty sizes of copper tubing by the foot cheap. It's the 5/16" line with a 1/2-20 thread fitting. I reused the fitting from my original hard line.

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