Quote:
Originally Posted by HEI451
Electric fans are NOT exponential in their operation, they are linear, temp hits one place on the sensor, fan goes on, another level, fan goes off. Electric fans do not have the ability to spin at different rpm levels in their operation, and are not specific for one temperature level. That is fact.
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Your facts are incorrect. Ford has several Variable speed electric fans in their high end cars and spin up as needed for more cooling. There are several aftermarket kits that do the same. They even have a 2 speed fan that is very popular in the aftermarket
Quote:
Originally Posted by HEI451
And, a very narrow operating temperature band is essential for engine operating efficiency, too cold, or too hot, thermal efficiency, fuel economy, and drive-ability suffers greatly, engine component wear becomes excessive.
As I said, lots of the misinformation straight out of the con job hype from electric fan manufacturers here, way, way too much of it.
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I don't see anyone disagreeing with you on this the first time but you do tend to read in things not written.