On my P the strings are 1.6, 1.7, 1.8, 1.9 and I'm not getting clank — but I've relatively stiff hexcore, nickel-plated strings, 45–105.
If I fitted, say, a 40–95 set of something more flexible like DR, would I find myself having to raise the action much?
At first I had the action at 1.9, 2.0, 2.1, 2.2 and the combination of that, stiff strings and knackered fingers was not a happy one. So if my ears are going to insist on these strings, my fingers will insist on the low action.