Road Racing & Kumhos

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Has anyone done some serious tracking with Kumhos? Can Kumhos be used as a 1/2 point between the Pilots and Hoosiers? My 97 GTS sees a good amount of track time, but I'm not ready for Hoosiers just yet. I would like to use the Kumhos for all my regular track days and then throw the Pilots on for Viper Days. Any feedback would be greatly appreciated.

Thanks-Jonathan

 

[Bill Pemberton Woodhouse]

I have run both the Kumhos and the Toyos quite a bit ( 3 different cars ), and if you stay with a 17 inch rim, the Kumhos will be fine. They are definitely faster than the Pilots, but they are a DOT Road Race/Autocross tire. If you are going to 18's , then I would highly suggest the Toyos, as they do not have a tendency to get as greasy as the Kumhos near the end of a session, and they have a longer life cycle.

Vilven Tire
1-800-251-0017

They carry both, and supply tires to the World Challenge Series. Their tires come shaved, so they are perfect for the track.

Give me a call if I can be of any other assistance.

Bill Pemberton
1-800-889-1893

 

[pdmracing]

If you are using the tires for track only make sure you shave them. They will be faster & last much longer. This is both the Khumo & the Toyos.

 

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Once again Bill your there to help me out! I want to stay with the 17" rims as I like the looks better. I think I'll try out the Kumhos for regular track days and save the pilots for Viper Days.

Jonathan

 

[FikseGTS]

why does shaving them make em last longer?

and Bill, which Toyo's are you describing?

thanks...

 

[Bill Pemberton Woodhouse]

Shaving will reduce some tread squirm, as well as taking off that thin oily top layer. The Toyo R-1's are the Spec Tires for all of the World Challenge cars. They are conveniently making 275/18s and 335/18s , so this works well for our cars - this is a very consistent tire. What I also like , is unlike the Kumho and Hoosier, when the tread is gone ( which usually means the tire is toast ) there is still around 2/32nds left.