They could have done more damage with a sledgehammer, something they could grip better. Funny how they were amazed the spark plugs were okay, why wouldn't they be? Take the valve cover off and look at the camshaft, or the bottom end, that's where the damage is.
Due to the recent increase in spam in this forum, I've set it to New thread Moderation.
This simply means any new threads created here have to be aproved by a moderator or admin.
Sorry for any inconvenience this might cause.