Originally posted by r4dr
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The problem with options being discussed in this thread on the latest Brembo donor car discoveries is that they move the bias forward. I'm with you on slight rearward adjustment. I'm actually quite enjoying 996 kit even after dropping weight at the rear of the car.
Rotor diameter is not a negligible contributor. While it does contribute at 1/2 the diameter increase and piston contributes a square term, it can not be disregarded. If CSL didn't increase front rotor to 345, bias would drop ~2% to close to 62%. A lot of variables at play, which inclides rotor, piston bores, pad mu, etc.
GT3 guys got smarter over time and learned that pads that can take proper heat are a must upgrade. Rolling off the dealership floor and going straight to the track resulted in tapering when the street pads on their cars melted and tapered. Their caliper and attachment is super sturdy and their entire systems were designed for the car. Have you seen those washers/spacers that get included with the brackets to mount whatever Brembo calipers on our cars? I would not say that is a sturdy design for when you really need your braking system. These retrofits are a concern, but as I said before, just doing street driving might be ok.
Haven't heard of AP issues with taper, as I don't follow them too closely, but interesting. They are seen as the creme of the crop, so that must be annoying.
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