Chrysler Repair: head problums, chrysler fifth ave, push rods

Question
I just had the rod (that holds the rocker arms) to brack. I can not see any reason for it to brake. The push  rods do not show any sign of stress. the car was missing a little befor this happend, i thaught it might have been a plug or a wire, but it turns out to have been a little more. the car is a 1993 Chrysler fifth ave. 3.3.
I hope you can give me a idea of whot happend.

Answer
Hi Larry,
I can't understand it either. Unless the head was warped enough to fracture the rod or the oil supply to a rocker was compromised so much as to bind (you can look at those surfaces when you remove the rod) and that then torqued the rod, I have no explanation. You might try asking the other expert, Pete Lacey, to see if he has a good explanation.
Roland