For no-compromise applications, the Ford Long-style pressure plate design has always been the preferred choice, due to its easier tuneability, more positive lockup, quicker release, and better ...
Today, high-performance clutch design is so sophisticated, and manufacturers' claims often so conflicting, that it's difficult to know just what type of clutch is best for your particular application.
Constant pressure charts illustrate the varying *height* of a specific constant pressure surface (e.g., 500 mb), contrasting with surface charts which depict varying *pressure* at a constant height ...