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Bob...I understand that the two piston calipers spread the load out on the pad
and give a bit better clamping force and maybe better feel. I am probably off
somehow on trying to figure out the piston surface areas. For my stock ERA
brakes using the GM D52 single piston caliper I figure the area of a circle =
Pi x Radius squared, so with a piston diameter of 2 and 15/16 or 2.9375" I
took 3.14 x 1.46875 squared and got 6.77sq." The two after market two
piston D52 calipers...one with 2" pistons and the other 1.69291"...I figured the
same way. Where am I plugging in the wrong numbers?? I'm off somewhere!
Thanks for your time. I sure like the car and the stock brakes work well...I'd
change to the direct replacements just to get a better feel. Maybe just SS
brake lines and better pads would do the trick?
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