The Lorax
ArboristSite Guru
I see on ebay.com a secondhand oem crank for 60 or offers, that might be a decent start.
I'm starting to think the main bearing cages may have let go and that is what has caused the shrapnel damage and allowed the rod to rub the crank web.
I'm starting to think the main bearing cages may have let go and that is what has caused the shrapnel damage and allowed the rod to rub the crank web.