Sprung weight vs unsprung weight.

jos51700 said

I want to say one pound of rotational weight is worth four in the car. Lose ten pounds off each tire and it's like you dropped forty out of the car.

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I think you meant to say 160 lbs dropped from car....

Our Porsches , Mercedes , Jags and The Acura NSX can be ordered with Ceramic Composite Brakes for around 10k.
I always thought it was a waste of money for the street because no one brakes hard enough to require them on the street.
Then I picked up one of the rotors to an NSX ! WOW! they are light !