Originally Posted by DualSportDad
You most likely have a valve that is tight. Check the valves. If one is tight rebuild the head.
Sent from my Galaxy Note 2 using tapatalk 2
Sounds like a timing chain stretched to me... I wouldn't worry about the head until the valves are needing reshimmed every oil change.
Yes, Android AND iphone GPS works without cellular data. Use offline maps and enjoy. (thanks drtbyk!)