What caused the #3 plug to get "smashed in"? Was there piston damage? Was there missing pieces of a valve? Did you check TDC on #3? Sounds really fishy that you had some form of interference running yet none cranking????

Is the misfire actuallyLogin to read more.

iATN Members:
Login to read this message and participate
Auto Repair Pros:
Join iATN to read this message and others
Vehicle Owners:
Find a nearby iATN member to repair your vehicle