Please don't think I was crapping on Cathars block when I said I did't think 4DegC was a big difference to the H20 'genre', it was meant towards H20 as a whole, not blocks(Cathars especialy) to a specific. I can understand how much time effort must of gone into those gains, but it's exactly that time & effort that says to me there's no 'leaps'& bounds' left to be made:shrug:. I think every deg is gonna be a struggle, and maybe 7-8DegC over manufacturers temps today being the absolute limit IMO.
I did'nt say it was'nt a worthy cause though
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Can you tell me how thin you can go without supports?.
Shims should'nt actualy touch if the blocks on right/levell should they?, it's more to stop it tilting on fitting and pressing~chipping an edge off the CPU?. so if you're careful they're not needed. it was only the big awkward copper HSF's that warranted them I think...