Quote:
Originally Posted by Tchao
Focus on pads..pads...pads.
Get something like Hawk HP+ for AutoX for the cold bite.
Depending on track and level of experience, HP+ can be good on there too, or something more like Hawk DTC-something or EBC blues.
Your stock 328 brakes are big enough to stop at any track, focus on pads and tires.
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I agree. The force of friction comes down to the coefficient of friction (u) and the normal force (N).
Ff=N*u
The coefficient of friction is based on the materials involved. Steel will always have the same coefficient so you can buy any rotor you want. The pad material will vary greatly and choosing the best one is tricky. I usually go for whatever offers me the most data on their site, the last ones I bought were Stoptech. Keep in mind that some pads do not work well without heat.
In the equation above, N is how hard your brake caliper piston pushes on the pad and rotor. The friction force is what is stopping the car.
Don't forget tires too though, they also play a huge role in friction and your stopping ability...