6066 (1960-1966) GMC Truck Club

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-   -   5/16ths or 3/8ths fuel line (https://6066gmcclub.com/showthread.php?t=51224)

Jakehaney September 26th, 2021 09:55 PM

5/16ths or 3/8ths fuel line
 
I know itís kind of a stupid question but did the 1966 1/2 ton pickup with the 250 I6 use 5/16th or 3/8th line? I stuck a 5/16ths wrench around the OD of my fuel lines and it was snug. Is it safe to say I have 5/16ths?

Funky61 September 27th, 2021 05:37 PM

Re: 5/16ths or 3/8ths fuel line
 
Sounds logical to me Jakehaney

Prowbar September 30th, 2021 08:06 AM

Re: 5/16ths or 3/8ths fuel line
 
My 65 3/4 ton has 5/16" lines.


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