Thanks I was thinking last night that I might as well use the 360 rad too, since I have it anyway. Although I was thinking 420 bottom and 360 top, but your advice makes sense.
Any advice on the orientation of the rads? I assume it would be easier to mount the top rad with the fittings toward...
I'm currently running a 360 external rad in an Antec case with an EKWB CPU WB. I have no reservoir, as the rad has a top fillport. The system always sounds like it has air bubbles, but I suspect it's the WB making the noise. The CPU (i6700k) runs a bit warm when doing video encoding.
So I'm...