Started sanding the opener shims down today. Sheet of glass and some 800 grit paper. Took a while, but got both openers on the vertical cylinder within tolerance; intake 0.10mm and exhaust about 0.11mm.
I ended up taking 0.09mm off one shim and 0.011 off the other. Clearly my calculations don't work out somewhere, I think they were a bit tighter than I first measured. Either way, I'm now happy with how they feel. Will move onto the horizontal cylinder tomorrow.
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