Quote:

what do you mean by zero out ?



Adjusting the ring height back to the original setting. As the clutch slips it wears the disc so you adjust the ring height this way you can keep track of your pressures.

Donald

69 Dart swinger 417 W8 Liberty 5 speed
6.03 @114/9.49 @141 on motor 5.30 @131 on juice 1/8th mile 28x10.5's at 3200lbs
70 Challenger RT 440 4-speed 4:10 Dana

http://www.youtube.com/watch?v=VowFy4nDdfI