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Old 02-16-2008, 09:15 PM   #1
6t727t2
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Join Date: Dec 2004
Location: NJ
Posts: 6,431
72 Jimmy fuel line sizes

Getting ready to order all new fuel lines for '72 Jimmy, 4x4, 350, orig. quadrajet, auto trans, a/c. Didn't know there are 2 different supply line sizes. Is this a 6cyl vs 8 cyl thing or carb size? My supply side line looks like 5/16 i.d.? Anyone know for sure what I should order , 5/16 or 3/8? All the returns sizes seem to be 1/4''
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