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What
is the optimum clutch setup?
At the starting line, the optimum
clutch setup will allow you to apply as much power as possible to the
rear wheels without losing traction. This is accomplished by controlling
the amount of clutch slippage with adjustments to the static and
centrifugal pressures. For example: The clutch could be set with
moderate static pressure and the correct amount of centrifugal weight to
allow the clutch to slip as the car leaves the starting line at
relatively low RPM. As the engine RPM increases in first gear, the centrifugal assist
increases, gradually locking the clutch up and applying full power to
the rear wheels. If the clutch slips too much off the line, additional
static pressure could be added, or the launch RPM could be raised to
allow the centrifugal weights to begin locking the clutch up sooner. If
the track conditions were poor, the static pressure could be reduced or
the launch RPM reduced in order to allow more slippage and maintain
traction.
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