Porsche 2012 911 GT3 CUP Technical Manual page 78

9. Note the setting dimension E on the crown wheel
Setting dimension
E
The setting dimension of the crown wheel to be used gives the distance
Centre axis crown wheel –pinion driveshaft
The actual distance crown wheel – pinion must correspond to the setting
dimension E given on the crown wheel. The distance crown wheel to
pinion is specified by the washer H1.
Distance center axis crown wheel - pinion
10. To determine the actual distance crown wheel – pinion mount suitable
measuring equipment and fit and tighten the gearbox cover.
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