I have a 2007 Shelby gt500 and recently replaced the clutch with a McLeod rst clutch, pressure plate, slave cylander and throw out bearing. The car just turned 13,000 miles and I have noticed that the clutch pedal feels like it is sticking just a tad when upshifting, It doesn't do it all the time or in first gear, just on occasion in all the other gears. I had the clutch pedal switch replaced and this seemed to help, and now the problem has returned. I had another clutch switch installed and no help. I am highly aggravated. I am taking the car back to the dealership tomorrow, I don't think the problem is internal, I think it has to do with the clutch pedal assembly, but who knows. Any ideas?