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  1. kmarcom

    4.3 Harmonic Balancer (89-92)

    Current engine: 92 Sea Ray 4.3 Mercruiser engine 4bbl Carb 10105867 Replacement engine: 89 (?) 10172756 Truck engine. (for the tangents)-Bass plugs, marine head gasket, truck cam, all electrical accessories from mercruiser engine. My issue: The harmonic balancer between the two engines is...
  2. kmarcom

    4.3 engine swap year range

    I was hoping you could lend a new boater some advice. I recently purchased a 1992 Sea Ray with a 4.3 mercruiser, alpha one gen two. The block is cracked but the boat appears in really good shape. I am looking to do an engine swap with a junk yard find. In all of the reading people always...
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