what is the normal operating temp for 305 small block mercruiser chevy?

Discussion in 'Gas Engines' started by mattcat79, Aug 6, 2006.

  1. mattcat79
    Joined: Jul 2006
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    Location: pensylvania

    mattcat79 Junior Member

    I was just wondering if anyone knew what the normal operating temp was for 305 small block chevy mercruiser io engine. Thanks - any help would be appreciated:cool:
     
  2. comptiger5000
    Joined: Aug 2006
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    Location: United States

    comptiger5000 Junior Member

    normal operating temp

    for a raw water cooled engine 130-150 F

    for a closed cooled engine 170-190 F (200 is the upper limit)
     
  3. Preformer 40
    Joined: Apr 2004
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    Location: Naples, Fl

    Preformer 40 Junior Member

    depends on tstat temp.
     
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