Recent content by tennhillbilly

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    Impeller direction

    Hi everone: I would like to know if it matters which direction that the fins on water pump impeller are curved in when you squeeze them up to stuff them in the cup. I am refering to a 40hp Mercury 4 clyinder. Thanks for any replies.
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    water flow diagram

    Thanks Boat tech for the information. , tennhillbilly
  3. T

    water flow diagram

    Just bought a four winns with a 4.3 liter omc I/O with the engine removed. Plan on replaceing it with a rebuilt long block. Would like to have acess to water flow diagram. Thanks to anyone with information!!
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