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      01-09-2024, 04:34 PM   #91
M3SQRD
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Drives: E92 M3,G20 330ix,F22 240iX,F82
Join Date: Jun 2009
Location: Mid-Atlantic

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Quote:
Originally Posted by Z K View Post
I agree with you. Unfortunately many adapted big brakes will move brake bias forward as the calipers are larger with more pistons. Properly sized calipers to move the same amount of brake fluid as stock is very important. Many people just see "big brakes" and assume it'll work better than stock.

Back about 25 years ago, I stuck 300ZX calipers on my 240SX. Took it to the track and the rear end would step out every time I stepped on the brakes because the front caliper was much too large and no fluid was going to the back. Changing brake master cylinder, brake slave cylinder to 300zx fixed the bias issue.
I’m trying to imagine what it must’ve felt like driving it.

You’re correct. 99% of BBK buyers do not even understand the effect of putting different calipers with different piston sizes with different rotor sizes on braking performance. Bigger = better is what they all believe.
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