Recent content by chevyrockz

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    Mercruiser 3.0L conversion to OMC 3.0L

    I took a block and head together, from a late 70's early 80's Mercruiser 3.0 that was rebuilt and striped it down. I took all my OMC accessory parts and put them on the mercruiser block and head. The OMC motor is a 93'. What I am wondering is, what differences is there between these two blocks...
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    OMC/Mercruiser 3.0L 120&140 hp. difference???

    Wondering, In 1993 what was the difference between the 3.0L 120 hp and the 3.0 L 140 hp? Cam? Distributor? Carb/intake size in CFM?
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