Quote:
Originally Posted by clay69camaro
1" bore on the master cylinder and 2.5" on the rear claipers. I measured the front caliper piston and it's overall length is 2.125". The booster is an 8".
Is the set up going to work?
What is the equation I can use to check to see what will work?
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No single master cylinder is going to be able to fix the inherent imbalance between your front and rear calipers...your rear calipers have almost 40% more piston area than your fronts which is basically opposite where you want to be. I'm assuming your rear rotor diameters are somewhere between 11 & 12 inches, close to the 12" C4's you're running up front, so the effective radius between the two are very similar. You can stagger your brake pad coefficients of friction to regain some balance, but that won't fix a major imbalance and is usually reserved for fine tuning.
If you're set on your caliper choices, the best solution might be to run a dual master cylinder setup so that you could select the MC bore diameters separately front and rear. Installing dual MC's is typically more fab intensive and costly than just swapping out one end for some other calipers/rotors/pads/etc.
If swapping to a smaller rear caliper is an option (like a C4, C5, C6, etc), that would be the best solution in my opinion. A standard tandem MC is a much more practical choice at that point.
Tobin
KORE3