Thank you Greg! you are good for something on this forum
Another thing that needs to be taken into consideration is mounting of pedals & calipers.. The stronger the mount.. The less defelection you will get & the firmer your pedal will feel..
Ron will get me the bore diameter on the calipers & we will do a calculation of what will get us in the ball park.. It is always different from our calculation due to how you want pedal feel..
Quote:
Originally Posted by GregWeld
He's really just making it more complicated than it really truly is...
Bigger bore - less pressure - more pedal and more effort is required for the same stopping power...
Smaller bore - more pressure per effort - more pedal modulation.
More SMALL pistons in these "multi piston brakes" do not always equal more MC because - like motors - 5 liters is still 5 liters - 12 cylinders or 6...
Pedal RATIO is important - for brake pedal TRAVEL -- and the multiplier of effort. 7:1 ratio will travel MORE and produce more pressure per effort than will a 6:1 pedal.
It ain't rocket science. The other #2 thing people forget about or make poor choices about is what pad they choose --- because a super hard race/autocross pad will feel crappy on the street regardless of all of the above. 
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