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    Mercruiser 170 with cracked exhaust manifold

    I have a mercruiser 170 ( 470 series ) I have had an overheating issue and I have discovered a crack inside the exhaust manifold. Is this JB WELD able or where is a good place to find a used exhaust manifold. Note boat is not worth that much money at this point and I hate to dump too much money...
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    170 mercruiser overheating

    I have a 1985 four winns freedom 170 I/O with a mercruiser 170 and having overheating problems. Hold good temp for 30 min. then overheats. At fast and slow speeds... I have replaced the impellar, thermostat, exhaust bellows and flushed heat exchanger. I am at a loss of what to do next. There is...
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