Quote:
Originally Posted by ian2000t
This is something I've thought about doing but didn't know if there would be much gain. The viscous fan really does howl like hell though, especially at higher revs!
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As i understood you can avoid to lost several hp and make a lot of less noise like you said at high rpm.
all efficient cars have those goodies nowadays to avoid wasted hp like the electric water pump or regulated volume oil pump.
But often it's quite ridiculous because they have an AC system....