Need help IDing my 340 motor

I found this link to help us newbies ID mopar small block engines.
[ame="http://www.youtube.com/watch?v=t7IPrBInZ-8"]Chrysler smallblock engine ID *by the numbers* - YouTube[/ame]
Called the guy who sold me the car 30+ years ago and he remembered me! He remembered a wrist pin coming loose and trashing the original motor. Put in another 340 with high compression…too bad it's not original!