Originally Posted by wfopete
Another option for the damaged seal area on the crankshaft is to go to your auto or bearing supply store and obtain a stainless steel sleeve for the diameter of said crankshaft. This as been done for years on trucks and autos where the damper area has been damaged. The sleeves relatively are cheap and EZ to install.
This is a cool idea. I will hang on to the link for future reference.