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  1. M

    Temperature issue 4.3l mercruiser

    I have an issue with my rebuilt 4.3l mercruiser running hot. I had it on the muffs in the driveway to roughly set timing and the carb. The engine ran for a total of 5 or 10 min a most. I didn't check temp but I had a buddy make sure water was coming from the stern drive so it was circulating...
  2. M

    Front engine mount 4.3L Mercrusier

    In the process of removing my old engine from my '89 Glastron I found the nuts on the engine mounts were rusted beyond removal from the studs. So I went ahead and pulled the entire mount from the boat so I could replace it. The current mounts are liquid filled and replacements run $150 each, but...
  3. M

    Help with choice of engine

    I have a '89 Glastron 177 Sierra with what I thought was a 4.3L Mercursier S/N 0C604271, Thunderbolt Ignition, and an Alpha stern drive. I received the boat free from a friend who had it last summer then forgot to winterize last winter. He replaced exhaust manifolds this spring but still found...
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