
01-01-2015, 01:11 PM
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CC Member
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Join Date: Nov 2003
Location: New Britain,
CT
Cobra Make, Engine: Size 10 Feet
Posts: 3,031
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Not Ranked
The front caliper piston diameter is 2.375" vs the rear 1.69". In order to get 60% effort to the front (necessary balance under maximum deceleration) the front master must be larger than the rear. (There's some pad-coefficient-of-friction factored in there too. The GM pads are somewhat "stickier" than the Jags'.)
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