Posted by Chris Case [75.36.35.247] on Saturday, August 03, 2013 at 14:49:11 :
In Reply to: Mopar Flat Head Six, posted by Dale [208.86.213.51] on Saturday, August 03, 2013 at 14:30:42 :
"extended tip" plugs with get busted.
I think there are probably plugs with a body an inch too long?
I suppose one cylinder fired, and the momentum of the crank broke the cam.
Unless you left it parked long enough for valves to rust into their guides?
I have seen broken tappets from the rusted valves. You might have done that too. And bent a valve or two.