Last night I was driving home and something with my clutch went out. I would rev the car(About 3000),let the clutch out and it wouldn't engage to move the car until i reved up to 5 or 6. I haven't had any problems like this before. I know in the process of driving home i ruined the clutch disk but i was wondering what went out to cause the problem first. The clutch has great pressure on the pedal. when i parked it in my driveway i couldn't even get it to stay in gear. any help at all is greatly appreciated