kinduva an OT question regarding those EK NB / SB waterblocks...

that design... with the way the barbs and channels are placed, wouldn't the majority of the flow just run across the top from barb to barb?

would there actually be any significant flow to the lower part of the block?

(example: http://www.performance-pcs.com/catal.../EK-NF4_01.jpg )