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    Easiest engine drop in replacement for 1986 MCM 470

    Hello everyone, does anyone have any suggestions on what motor to get to replace current Mercruiser 470 (has valve issues that I do not want to deal with). I just wanted to see if anyone might have a good suggestion to make the swap as simple as possible, preferably an engine that still uses the...
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    1986 Mercruiser 470/170hp/3.7L Carb backfire, low vacuum, other weird issues

    Hello everyone I thought I should ask before I asked a mechanic to diagnose for me. I am very acquainted with this engine so any specific or technical answers most likely won’t be lost on me. So I’ve been having carb backfiring/ hesitation under heavy acceleration (no problems slow) only from...
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