Quote:
Originally posted by toddalaska
is it better to have the fans blowing through the radiator or sucking through it?
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I had this discussion with gmat. It seems that it would be better for a fan to suck the air through the rad, but you have to make sure that there's a seal between the rad and the fan housing.
If the rad restricts air flow a lot, then you might consider a push-pull setup, to increase the airflow a bit. You would do this because a single fan is not able to handle a lot of flow restriction, so a second fan helps fix that. The resulting flow (using two similar fans) will increase, somewhere between what a single fan can do, and the optimal flow at zero resistance. It will not increase the flow of air to something faster than what a single fan can do freely by itself.