Recent content by Peter Gutmann

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    Water in Oil

    By way of an update on my water in the sump issue. I removed the new exhaust manifolds and the risers and pressure tested them with no loss of pressure. We connected the motor up to a car radiator and pressure tested it 3 to 4 time at various engine temperatures and found no loss of pressure...
  2. P

    Water in Oil

    I would like to thank you all again very much for the advice. I will check them all and revert back with the results. Regards, Peter
  3. P

    Water in Oil

    Thank you both very much, I'll let you know how we go.
  4. P

    Water in Oil

    Did that, and the plugs look fine. I don't think there is any water in the combustion chamber. Engine sounds good when running with plenty of power.
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    Water in Oil

    Could it be anything to do with the exhaust & riser assembly or the stern drive assembly, both of which were replaced or serviced by me.
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    Water in Oil

    Hi Scott Thanks very much for your prompt reply. No pressure tests have been done on the water-cooling system. Is this hard to do? I only had the boat for a year, when it needed a full engine rebuild, its a 2005 model. I can only assume that the correct gaskets were supplied with the new...
  7. P

    Water in Oil

    I recently had my 4.3L Mercruiser engine rebuilt and then I re-assembled the motor along with new risers and exhaust manifold. As well as giving the stern drive a full service. On my first test run we found water was getting into the sump. Engine runs well with lots of power and no obvious...
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