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Recent content by NormW

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    Mercruiser 470 engine consumes coolant

    Just a quick update on my testing, this time using compressed air. I closed off the coolant input port as well as the output port using rubber hoses and PVC pipes and end caps. I also installed a bypass between the two connections to the heat exchanger. The interior of the exhaust manifold...
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    Mercruiser 470 engine consumes coolant

    My Mercruiser 470 engine consumes a large amount of coolant. The last time that I ran the boat in the water it ran fine. It started quickly and the engine ran smoothly with normal power. The oil pressure and engine temperature were normal. There was no sign of engine overheating and the...
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