Originally Posted by lt173
Don't want to be the bearer of bad news...............but on an 05 1500 with a 4.7 I had we took the valve covers of due to the loud knocks just to have a look see. Two rockers were just lying there guess due to sludge, bad push rod etc we snapped them back in which wasn't as easy as it sounds, then I traded it in for a 2010. True story.
The reason it spit the rockers out is because you had valves sticking. The 4.7 doesn't have pushrods.