Quote:
Originally posted by Blackeagle
I'd be very well pleased with a set up doing 3gpm.
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Why? Because Ben suggested anything over 3 is overkill? Look over BillA's data on waterblocks. The curve of block effectiveness starts (obviously) steep going from zero flow, but rapidly gets shallow at a point below 3 gpm. Most blocks will be quite happy with anything around a gpm or higher. The incremental gains get ever smaller with higher flow.
Why, if you are to rely on ambient air for cooling your radiator, would you work so hard to get an extra one or two degrees C from the block?
Obviously you are free to do as you wish, but I've yet to hear a good reason why people work so hard to obtain true flow rates on the order of 3 gpm.
A good block can do a lot more with one gpm and decent pressure (to generate a decent velocity directed at the core region) that an "average" block sucking down two or three gpm.