Al, are those piston Hyper silicone cast pistons? If not, I never seen a forged piston discentrigrate (SP) like yours did I have seen cast pistons do that I believe the piston failed first allowing the wrist pin to destroy the cylinder wall and block
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
I have seen cast pistons do that 
