So I finally got to drive her to work for the first time since I fixed the carb and shifter issue. I have driven her around town a bit for the last 3 days with no issues maybe a total of about 10 or so miles. Today I got about 5 miles down the road to a red light of a major intersection and she died. I was able to get her restarted before it turned green. Since then it almost seems to be a clogged jet again. Here is what she is doing....the acceleration is gone away...it almost seems that she is struggling below 4500 rpms. After 4500 she shoots off like a rocket. this happens in every gear. I tried to get on the highway but she would not go above 60 MPH. I can roll the throttle and hear the engine increase with a deep pitch scream much will not go any faster. When I break the 4500 rpm range, she given a higher pitch scream as she accelerates up to 60 MPH. I have been through the carbs and all was scrubbed with gas and blown with an air hose. Now mind you the time when riding around town, she was great with acceleration and speed, though I never went over 55 MPH. What do you think I should do from here? Also, I just installed the NGK spark plugs...