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LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Fuel line ?

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Old 09-27-2003, 05:53 AM
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Fuel line ?
I have a 97 Z, I don't remember which line is the feed line for fuel and which is the return.How do I tell which is which please help thanx in advance.
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Old 09-27-2003, 06:17 AM
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Of the two lines that connect to the fuel rail, the thinner one is the return line.
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Old 09-27-2003, 10:32 AM
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The supply line ends up in the back of the passenger side fuel rail. The return line comes off the fuel pressure regulator on the drivers side rail.
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Old 09-27-2003, 10:51 AM
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Thanx for the replys,I thought the supply line went to the regulator,good think thing you guys clearerd that up for me.
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Old 09-27-2003, 11:00 AM
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The regulator controls the fuel pressure by "regulating" the amount of fuel returned to the tank.
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