Quote: Did you get the opportunity to block off all vacuum lines and components to the intake/carbs? Pulling the intake and re-installing it with known good procedures and blocking vac ports will quickly remove those sources of potential problem. Running rich is not right. It seems (and is correct) that the problem is most apparent when you are getting the fuel mixture close to where it is optimal. Vac leak remains highly suspect.
Yes, I blocked off all vacuum lines at one point. I am beginning to think the intake is coming off but want to work with the timing first, I can get it real close but it throughs my total timing too high for comfort. I need to ask some advance questions but will start another tread for that.
