The thermostat is designed to open when the engine coolant reaches an operating temperature of about 180˚ F. Once, the raw water has passed through the heat exchanger, it is likely to be well over 100˚ F. Home water heaters are usually set around 140˚ or so... anything hotter will risk scalding. BTW, diesels run pretty hot, due to the ignition temperature of diesel fuel... so if the engine is running under any sort of load, the raw water side will be pretty hot.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.
—Cpt. Mal Reynolds, Serenity (edited)
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Still—DON'T READ THAT POST AGAIN.
Last edited by sailingdog; 04-27-2007 at 08:20 AM.