I'm trying to measure crankshaft journals. Since the journals for the conrods are smaller, I've not had issues micing these. But with the large journals that sit in the crankcase, I'm having difficulties. I place the mic on, wiggle it, screw in using the ratchet. And then lock it and check it can move over the journal both ways with a "slight drag". The issue is as the anvils are small and the journal is quite large, unless I'm holding it perfectly I can either experience a very high drag or barely any at all. What's the trick? With a slight drag for instance I measure 59.98, with more of a drag it's 59.95. I'm having issues getting the mic perfectly square and tangential and on the thickest part of the journal.