No Computer Codes = Bad Parts? (long)

Are you sure your timing is set correctly? If it isn't, it could cause some of your problems.

I would imagine you are experiencing a lean condition, taking the detonation and really hot temps into consideration. I wonder if your fuel pressure regulator is going bad. Or if you have a vacuum leak somewhere. Hook up a fuel guage and look at what it reads at idle and wide open throttle. If that isn't the culprit, then hook up a vacuum guage and see if it is within spec.

This is a start. Post some more info so we can help.

Jason