Recent content by TedCT

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    Impeller replacement 5.7 Merc Alpha One

    Does anyone know where I can get step by step illustrated instructions on changing the impeller on a Mercruiser 5.7 Alpha One. I'm told its not too hard, but need to take my time and do it right. Since this should be done each year, no better time to learn than now. Just like the thread 1974...
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    Warm manifolds and risers

    Someone was telling me I should "be able to keep a drink cold" if I put it on my risers. Now I know this is a stretch. I've figured my overheating is due to insufficient raw water supply. I disconnected the raw water and put the garden hose in its place, right there at the raw water intake...
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    Flow rate on Mercruiser Alpha???

    How much water should I be pulling through my Alpha outdrive? Gallons per minute that is. Boat overheats at higher RPMs. This leads me to believe blockage rather than fresh water pump. Anyway, I've changed the pump on the motor, put in a new thermostat, put on new risers (actually weren't...
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    1989 Mercruiser 5.7 Alpha Overheat

    After reading many threads, I see this overheating is not uncommon! I have a new pump on engine, pump on outdrive 1 season old, new thermostat. I undid the drains on the risers, took a couple hoses off and ran water through. Got a bit of rust, not much. Flowing good and clean I think. The...
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