Quote:
Originally Posted by strictlypersonl
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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That is the sole reason for the larger pistons in the front.
Then the master cylinder bores can be the same, if you are using two masters.
Then it comes down to balance bar adjustment.