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    1. #1
      Join Date
      Dec 2004
      Location
      Morehead City, NC
      Posts
      929
      Country Flag: United States

      LS2 heater hoses

      Guys, I need to know whether the 3/4 or 5/8 hose is the outlet or return on a stock LS2 water pump. On my stock small block the 3/4 is out but on the LS it appears the 3/4 is returning being that it aligns with the bottom rad hose. Anyone know which it is?
      Thanks
      Mike



    2. #2
      Join Date
      Nov 2006
      Location
      Mountain Springs, Texas
      Posts
      4,879
      Country Flag: United States
      As far as I know the 3/4" hose is the return. The 5/8" hose is the pressure side.

      Don

    3. #3
      Join Date
      Dec 2004
      Location
      Morehead City, NC
      Posts
      929
      Country Flag: United States
      Thanks Don. I believe you are correct. I called Jeff Schwartz today and he came up with the same answer.
      Mike Holleman


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