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Reply to "Brake booster and M/C feedback"

The brake pedal effort increases as you increase the master bore.

1" would be the maximum to go to on a car. Even that will give you a much heavier pedal.

1-1/8" is very heavy.

The stock bore of about 7/8 to 15/16" is just right. It doesn't matter what calipers you are using with that.

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