Enthusiasts with manual transmissions might know whether their clutch release mechanism is operated by cable or by a hydraulic bearing. But if it's the latter, it's unlikely they could tell whether the bearing operates in constant contact with the clutch fingers or intermittently that is, operating only when the clutch pedal is depressed. More interestingly, what would lead a manufacturer of high performance hydraulic clutch bearings to adopt one style over the other Most will tell you the intermittent style offers a greater range of adjustment and quieter operation. It also eliminates the exhausting prospect of a constantly spinning bearing. In a Columbia, South Carolina, factory, Ram Clutches makes single and dual-disc clutch sets that transmit from 400 to 1,300 horsepower. The company has also cultivated a fine reputation for the production of hydraulic clutch release bearings. These operate on both single- and dual-disc clutches and function only when the clutch pedal is depressed.   Catch the rest of the story >>HERE<<http://viewer.zmags.com/publication/9dc6f1b8#/9dc6f1b8/118