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  1. M

    WOT issues - stumped

    This has been a nagging issue since I have owned this boat. Here is the background: I purchased this boat used five years ago. It is a 1998 stingray 220DS (deck boat) with a 1997 5.7LX Mercruiser Alpha (1.47 outdrive ratio). The shortblock was replaced prior to my purchasing it due to...
  2. M

    Vortec or not?

    My boat is a 1998 model, but i think my engine my be a 1997. And I don't know when they started the Vortec heads. I have a 5.7LX with a Weber 4v carb. It is an 8 bolt intake manifold.
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