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      12-12-2012, 08:02 AM   #9

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Drives: '69 GT3, 1M, 912, R32
Join Date: Nov 2010
Location: SF Bay Area, Shenzhen, Oman

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Originally Posted by sparoz View Post
I was showing the pictures to someone today and he noticed the piston is staggered and different sizes:

Every modern multi-piston caliper is going to have staggered piston sizes to keep brake pad wear even. PCCBs up front are 28/ 32/ 34mm. Visually yours look similar or maybe slightly smaller? Knowing the piston sizes and rotor diameter you can make a close estimate of brake torque and brake balance- it needs to be close to stock or you'd want to change the brake proportioning to match.
1M, 1969 Porsche 911 w/ 997 GT3 Cup Motor (435hp & 2,100 lbs)