Those bore measurements look pretty good for a re-ring job. The crank needs a little polishing, but as long as you don't take much off of the diameter and it's round within .001" or so you should be good to go. I like to use a long 320 grit piece of emery cloth and a "shoeshine" motion to polish the crank journals, followed by a very thorough cleanup with solvent and compressed air. If the crank is out of the block, you might try getting a machine shop that regrinds crankshafts to power-polish it. I'm seriously considering making my own crank polisher with square tubing, a retired Skilsaw motor and some home-brewed ball bearing sanding belt guides. The crank gets mounted in a lathe and turned slowly, and the belt sander is used to polish the journals.
Jerry

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