i run about 28-30 psi in my kumho ecsta mx in the same size. any more and they have accelerated wear in the center of the tire.
on my Golf with only Koni Sport adjustable dampers and Kumho XS tires, I regularly set faster autocross times than many of the \"darling\" cars in faster classes in my local autocross events
Try the Kumho ASX. They were quieter than any other tire I've tried. Much more so than the awful Goodyear RS-As.
I have had these on for a few weeks. They are super quiet and have an amazing ride.
I picked a set of these tires up from Bob a few months ago, I didn't want to wear out my RE-11's doing daily driving so I needed a second set of tires. The only thing I noticed about them is they do have a bit of road noise that comes in around 30-50km, but that is it. Performance and traction wise they are pretty good; infact better than most touring tires IMO. They handle equally well in the rain and with a higher treadwear rating they should last at least three or four summers for me.
Well, I put a set of Achilles Platinums on my vehicle today. On another forum 2 guys were having a raging debate about the good vs. bad on these tires. Even though these tires are relatively new to North America they do have a racing pedigree in Europe, and they very well exceed the standard American standards for compliance.
I ran the Kumho XS (250/50 15 on a 2006 Mazda 2) last summer and found them to be fairly comparable to the superceded Bridgestone RE01R, albeit much cheaper. I did 4-5 autocross sessions on them on top of 'spirited' drives in the local mountains every weekend. My fronts lasted just under 3000 miles to slick and the rears around double that, but I do have a fairly aggressive alignment.
We have a set of Kuhmo XS's and Koni Yellows on the way - Santa was good to us!
I have had both, and can honestly say that I will not buy the Kumho's again. There is nothing wrong with them, but they are definately not what I would classifiy as a "performance" tire. They have a very nice, and have a quiet and comfortable ride. They just don't stick like a good performance tire should .
no way man i had the khumo 712 xtas and they SUCKED!! they didnt get traction at all, they just wheel hopped everytime off the rip. then i get new wheels and tires, with Nitto's on them... and i havent had any wheel hop. they get great traction, instead of hop i now get the little squall.. but the car is moving not sittin still beatin the crap out of my car.
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