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Old 08-13-2012, 08:02 AM
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Originally Posted by bigdog7373 View Post
Not true at all. Mechanical fans stop spinning while at cruising speed.
Still not the whole story. Centrifugal fans (the ones with a clutch in them) do slow down at speed but a true mechanical fan is solidily bolted to the water pump.

A thermostatically controlled fan should keep you cool. You can always install 2 of them with higher capacity later if you need it.
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