Posted by Russ/Wyo on Wednesday, November 12, 2003 at 2:46PM :
In Reply to: 440 problem posted by Todd Wilson on Monday, November 10, 2003 at 3:11PM :
I suspect a broken piston ring because of the sudden occurrence. Maybe try pulling one spark plug out of the engine at a time and running on 7 cylinders to see if the problem is specific to one cylinder. Test all 8 cylinders to pinpoint the problem.