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Old 03-03-2019, 05:31 PM   #1
michael bustamante
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Fuel rail question

I'm running in 03 drive by wire 5. 3 LS motor with the fuel rail style being the return style. Question is which one is the fuel feed and which one is the return? Is the bottom one the return?
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Old 03-03-2019, 05:50 PM   #2
ls1nova71
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Re: Fuel rail question

The bigger one (3/8) is the feed, the smaller one (5/16) is the return.
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Old 03-03-2019, 06:10 PM   #3
michael bustamante
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Re: Fuel rail question

Great thank you! Running fuel line now.
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