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wintersing 350 mag mpi horizon

swedeswede Member Posts: 88 ✭✭
in Rinker Express Cruisers Forum
Hey
do i have to run the engine warm on this engine before putting in antifreeze in the sea water system. ?

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    Dream_InnDream_Inn Member, Moderator Posts: 7,562 mod
    Do you have a closed cooling system? If it is a closed cooling system, then you don't have to warm it up because you are just cycling pink stuff (non-toxic antifreeze) thru your exhaust, pump and intake hoses.  If it is not, then you need to warm it up to temperature before winterizing. You also should quickly drain the water out of the block before pumping the pink stuff in (if it is closed cooling, you only need to do the seawater pump plugs).  The plugs are blue.

    Dream 'Inn III -- 2008 400 Express

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    swedeswede Member Posts: 88 ✭✭
    Its horiizon they have closed coolingen also.
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    WeberWeber Member Posts: 249 ✭✭✭
    Do you have the pump system?
    Sin or Swim - Rinker 312
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    Dream_InnDream_Inn Member, Moderator Posts: 7,562 mod
    The pump system is nice.  I use it to pump all the water out, then use clamp on the drive to run pink thru.  In a pinch, if you weren't winterized (or dewinterized too early), it makes a quick way to get the water out.

    Dream 'Inn III -- 2008 400 Express

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    swedeswede Member Posts: 88 ✭✭

    i drain the seawater system and put in anti freeze liquid.

    the closed system was ok -37*C.

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