Torque plates

How round the cylinder is makes a hell of a lot more an issue
with ring seal than a thou or two in the ring gap does at least
in our shop!
I understand that. I was on a different forum years ago and they talked heavily about using water at temperature for boring and honing blocks and they found no real difference in horsepower or ring sealing or longevity, but I don't know this as fact nor do I have any experience with it. But it seems to me that it would have a difference