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Old 03-21-2003, 03:39 PM
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I guess we will be saying almost the same thing, but the main point is heat transfer. The most important heat transfer occurs in the motor, not the rad. You want the water flow slow enough to let the engine heat transfer to the water, The rad is much more efficient than the water jackets so the thermostat slows the water down enough to let the transfer take place in the motor. Cool water temp, which you will see most of the time with out a thermostat, does not mean a cool motor. In fact, if you run an oil temp guage, it will make you a believer!!! Thus, I would be very suspecious of this motor!!


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