Really whenever you are having a percieved problem it is best to do it one thing at a time. Makes it a more scientific approach to the problem. If you go changing 4 things, who is to say which did the trick? Or maybe it gets worse, or stays the same, but maybe one thing fixed it, and another put it back to where it was. It takes longer, but one thing at a time with a test in between is best. What did you jet to? Check out Pat's jetting calculator for some good starting points.
