Tell me this noise isn't what I'm afraid it is.

[Old Henry]

Originally Posted by OLD...BILL

The guy grinding the crank, should be the one to order the bearings , and I would sure be talking to him or someone about line boring the mains, is this the same block and a different crank, or same re-ground I've lost track ?? and from the looks of the flywheel I would be looking at the pilot bearing again?? something to thing about..... OLD.....BILL

Don't know what "line boring the mains" means. Hopefully Paul knows.
The crank going back in is the original that came with the engine when it was new and has never been ground. The pilot bearing in the flywheel is a ball bearing, not just a sleeve/bushing. Wouldn't hurt to replace it if I can find one. The ones I've found are just the sleeve/bushing kind.