After searching for a replacement for the now absent Firestone firehawk SZ-50. My initial impression was less than pleased. The first few times I hit the throttle, the tires wouldn't hook. After putting a few hundred miles on them and a few hard launches, my impression has changed.
These things now hook pretty hard. There must be an additive that is used to preserve their shelf life because after a few heat cycles and some use, they grip much better. They grip almost as well as a drag radial. Actually they grip about like an unheated drag radial. They are fairly quiet, look a little more aggressive and hook great. This is a very uncharacteristic tire for Goodyear. In a blind test, I never would guess this tire was a Goodyear. Now let's see how the tread lasts.
I'm running 285/40/17s on 17x9 SS wheels. I think they will be even better on my Borbets as they are lighter and wider.
These things now hook pretty hard. There must be an additive that is used to preserve their shelf life because after a few heat cycles and some use, they grip much better. They grip almost as well as a drag radial. Actually they grip about like an unheated drag radial. They are fairly quiet, look a little more aggressive and hook great. This is a very uncharacteristic tire for Goodyear. In a blind test, I never would guess this tire was a Goodyear. Now let's see how the tread lasts.

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