Look Dude, when You roll up in Your 670hp J headed or Eddy headed pump gas 340 idling at 750rpm, I'll marvel at it for You just so You can go away.
Who's talking magazine tech & 3 choices here? We are not even talking a cam change yet, what the OP has may be fine, & just needs the tune fixed.
Quit trying to impress everybody with what "someone else" is accomplishing or attempting to, this thread ain't about You or them, it's about the OP's driveability & plug readings...:realcrazy: