What caused this

Well I just got back into the mopar world after 30 years away but can't afford to many mistakes this car was my first at 16 Im 51 still have her proud to say.
This seems to happen more days than it did many years ago. Don't know if it is the cheaper quality metals used to manufacture cams, the oil now days, or it may be that since the advent of the internet, we just hear about it more often.
This seems to happen more days than it did many years ago. Don't know if it is the cheaper quality metals used to manufacture cams, the oil now days, or it may be that since the advent of the internet, we just hear about it more often.
Yea was a different world good. And bad thanks for the response