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  1. Blown water cooler/thermostat cover?

    Hello. I would love a second opinion on my Penta MD6a. I had a propeller foul and a high rev of the throttle when this happened. A video showing the problem: Does not seem to be mixing with oil although the water ejected is mixed with a black soot like...
  2. Volvo MD7 Overheating but exhaust water cold?

    I have certainly seen several threads on the volvo MD 6/7 engines overheating, and I am hoping some of those folks who have dealt with this before might be able to recognize my symptoms to help me narrow down what needs to be fixed. So when I start up my engine (takes 30-45seconds) it seems to...