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heater core

  1. 3 port/tube Heater Core

    Cooling Articles
    Does anyone have a cooling system flow diagram for a heater core that has 3 ports/tubes? Since I purchased my 68 Fairlane, the heater core was disconnected since it leaked. Additionally, the AC had been removed. I installed a new 3 port heater core and I need to find out which ports to use...
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