Can you, or anyone, explain how a porting job can cause a dead spot in the RPM range that cannot be cured with proper jetting? I am not trying to be a smart ass, I honestly would like to know the mechanics of this phenomenon. What is happening?
The engine has the right air fuel mix from low RPM to, say 6000 RPM and then the mix is not right and the engine drops off, then at, say 7000 RPM, it gets the right mix again and revs on out. Are you saying that this