A few more "before" shots:
The "old" 350
So the lesson here folks is DON"T BUY ENGINES FROM KRAGEN!!! I had problems with this motor after about 10K miles and after 60K I'm getting rid of it.
This time the problem was in the heads which I can't blame on Kragen, I guess, as they were Edelbrock Performer RPM's:
What killed the motor this time and for all time!
I guess pieces of valve banging around is bad.