Quote:
Originally Posted by djwishbone
I just noticed that the fan blades are different on the oem rad from left to right. I really can't think of why? Fans are for slow or non moving speeds. I would think a single optimized design would be best?
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Different flow rates and noises associated with the increase/decrease in flow rates. Typical OEM system where noise is paramount... the lower noise fan kicks on first and the higher flowing/noise-producing fan kicks on if the low noise fan cannot cool the radiator. There is also some logic thrown in there with regards to the a/c system and when each fan kicks on, but that is beyond my scope of understanding.
Thanks,
Eric