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I will be assisting a HPDE track event for 2 days the 17th and 18th of March. I was told we would be runing for a total of about 5-6 hours (~3/day).
I have street Khumo Ecsta MX 17".
I still have some tread left but I ma not sure if it s enough. Should I change tires before the event and waste what is left over on these (which I also use for Auto-X) or could I use them for the track event?
Here are some pictures (of the most wated, the rears) to help me determine if the tread is enough.
yea............noob talk.......less tire more grip
the longer you run it turns to a slick............
not necessairily.. more like, less tire, less heat squirm. i would never race a street tire 'slick' at the track. not the same idea as an r-compound. at all.
+1, they look fine for a couple track days, Keep the pressures up (40+) at first until you stop going into the corners too hard. That will help the outside tread last longer. Once you start learning how to enter the corners correctly, you can lower the tires pressure to get a little more grip.
I asked a question like this a while back, and my tires were more worn much more than yours. I would say you have plenty of tread left for probably 3-4 DRY track days. If it's wet, make sure you haven't worn your tires past the wear bars.
I'll run my street tires until the shallowest tread block is gone, but I inspect my tires after each run when I get past the wear bars. There is still a millimeter of rubber under the treads, but I don't think it's worth the risk.
Great info. I am thinking on removing the tires and have them mounted on the opposite corner since they are worn more on the outside than on the inside. First time I see opposite feathering on my car.
Nice rain tires you have there. When the tread is almost gone they will be good. Just dont flat spot them and keep any eye on them for any cords showing, then they are done.
Great info. I am thinking on removing the tires and have them mounted on the opposite corner since they are worn more on the outside than on the inside. First time I see opposite feathering on my car.
An indication of too much steering input and dragging brakes...
Probably, it was my first track event I was learning, and the instructor was pushing me. He kept telling me to brake harder, I guess i was dragging too much instead of pushing harder on the peddal.
Hopefully this time, since I will be out there much more time, I will learn with repetition.
Probably, it was my first track event I was learning, and the instructor was pushing me. He kept telling me to brake harder, I guess i was dragging too much instead of pushing harder on the peddal.
Hopefully this time, since I will be out there much more time, I will learn with repetition.
Any tips?
Sounds like you’re on the right track.
Brake harder (as hard as you can. Don’t be afraid of locking the wheels, you have ABS…) for a shorter period of time. Average brake temps will go down.
Don’t forget to release the brakes to make your turn. Don’t forget to turn the steering wheel either… (Sounds silly, but I’ve been distracted with new found braking powers once and almost went straight while enjoying the breakthrough…)
Brake harder (as hard as you can. Don’t be afraid of locking the wheels, you have ABS…) for a shorter period of time. Average brake temps will go down.
Don’t forget to release the brakes to make your turn. Don’t forget to turn the steering wheel either… (Sounds silly, but I’ve been distracted with new found braking powers once and almost went straight while enjoying the breakthrough…)
Keep the sunny side up
And the rubber side down!
Thanks, I also need to learn how to heel toe, I find it kind of hard with the stock peddals, but I guess I just need some more practice.
it's just like shaving your tires for track use. those MX kumho's handle pretty decently. I liked them when we did our tire testing of Extreme Performance tires.
Enough tire tread for track event?
