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

Fuel line ?

Old Sep 27, 2003 | 05:53 AM
  #1  
ChevyIron's Avatar
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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.
Old Sep 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.
Old Sep 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.
Old Sep 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.
Old Sep 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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