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Old 11-10-2014, 05:52 AM   #3
37
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Quote:
Originally Posted by Target70 View Post
1 ea. Subaru 30620AA111 (or equiv.) slave cylinder

Is this a larger or smaller diameter cylinder than our factory slave? For "feel and control" would that be a larger diameter cylinder which would take more pedal movement?
The factory BRZ/FRS slave is 13/16". The 30620AA111 is 3/4" and 1/16" smaller than stock (approximately 15%).

By shrinking the slave you reduce the amount of distance that the master needs to travel to create the same amount of motion. This allows pedal movement to be reduced. That reduction creates a more tactile range of motion during said pedal movement, returning the "feel" that many of us miss having in this clutch system.
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