Safe to bore a 383 60 over?

MOPARMAGA said

Here's another option, I almost forgot. Send your pistons off to get coated by line 2 line. They'll fix you up.
It's abraidable it fits itself into the bore.
My forged pistons going in have .0015 clearance with the coating and will form itself to the bore as that coating gets broken in and holds oil very well

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Never heard of that! Well, it's getting picked up from the machine shop on Fri. It's 60 over now with new pistons, block sonic checked, crank cut to 20 under, cam bearings r&r, hot tanked, rods resized with high strength bolts, all bearings and rings included from the machine shop. Quick turnaround. Looks like I'll have boat anchors lying around in the form of 40 over pistons...lol.
I'll update this weekend.