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Fuel Return Line

This is a discussion on Fuel Return Line within the General Help forums, part of the LSx Technical Help Section category; Do the 2000 LS1's have a fuel return line or are they returnless?...

  1. #1
    Junior Member Ponti-MANIac's Avatar
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    2000 Pontiac Trans-am WS6

    Fuel Return Line

    Do the 2000 LS1's have a fuel return line or are they returnless?

  2. #2
    Junior Member Ponti-MANIac's Avatar
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    2000 Pontiac Trans-am WS6

    With a little research I answered my own question

    EFI Fuel Rails

    Corvettes, '99 and later, plus all Camaros LS1s, use a fuel delivery system that does not require a fuel tank return line. This system is very difficult to adapt in an engine-swap situation. Fortunately, earlier '97-'98 Corvettes employ the traditional feed-and-return-line fuel system. If you happen to have a non-return-line LS1, the fuel rails must be modified for a two-line system. Once again, Street & Performance can modify your existing fuel rails or provide you with the correct fuel rails.

  3. #3
    Impounded YoMommasTA's Avatar
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    well thats half right.....they have a return line but it doesn't run back from the fuel rail.It splits off after the fuel filter back to the intank fuel pressure regulator then dumps back into the tank.

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