kuhmo xs? Options

[paq]

hi!

the next summer I will need tire for my 98 Z28. i'm in the process to get some 17 inch wheels and I would like to know what do you think about these tire? I plan to begin to do some lapping day ( maybe once or twice a month ) and drive the car mostly during the week-end.

anyone try the kuhmo before?


tanks!

-paq-

[marka]

Howdy,

I'll let someone else comment on how well the tires work... I've heard that grip is decent once they get some heat in them, so I'd imagine they'd be a good track day tire, but I've never run on them.

I do have a set of four 295/35-17's in very good shape for sale though, if you're interested.

Mark

[Beach Cruiser]

I run them as my street tires. 285/17's. I have done some lapping days on them at VIR and run them at our local shortrack oval. I really like them, after a little heat they grip very good, I could drive anywhere I need to on them and trust they would hold. And the price is good too! Just don't expect them to last for 50,000 miles...

[z28jeff]

I just did a small review on these tires a few weeks ago an another forum. Copy and pasted here for your reading pleasure...

I've had 265/45/16 XS's on my Camaro for 2 seasons now. They are the most impressive street tire I've ever autocrossed on. ..... And the worst street tire I've ever street driven on.
The good:
Super stiff sidewalls.
Stick like an intermediate r-comp.
Likes heat, which means they work well on heavier cars like mine.
Less expensive than other uber street tires.
Wear isn't bad for the grip they offer.
And they just look cool. (IMG:http://www.frrax.com/rrforum/style_emoticons/default/cool2.gif)

The Bad: (This part really only applies to street driving)
Hard as a rock and slippery in anthing less than 60 degree ambient temps.
Noisy...very noisy.
Cars on these tires with an autocross alignment will dart all over the road.
Picks everything up off the road and throws it into the wheelwells/rockers.
Downright scary in heavy rain.

In summary: I hate them all the way to the autocross event, (IMG:http://www.frrax.com/rrforum/style_emoticons/default/banghead.gif) Love them at the event, (IMG:http://www.frrax.com/rrforum/style_emoticons/default/2thumbs.gif) and Hate them all the way home. (IMG:http://www.frrax.com/rrforum/style_emoticons/default/banghead.gif)

This post has been edited by z28jeff: Nov 1 2010, 08:23 PM

[KCC455]

I just did a small review on these tires a few weeks ago an another forum. Copy and pasted here for your reading pleasure...

I've had 265/45/16 XS's on my Camaro for 2 seasons now. They are the most impressive street tire I've ever autocrossed on. ..... And the worst street tire I've ever street driven on.
The good:
Super stiff sidewalls.
Stick like an intermediate r-comp.
Likes heat, which means they work well on heavier cars like mine.
Less expensive than other uber street tires.
Wear isn't bad for the grip they offer.
And they just look cool. (IMG:http://www.frrax.com/rrforum/style_emoticons/default/cool2.gif)

The Bad: (This part really only applies to street driving)
Hard as a rock and slippery in anthing less than 60 degree ambient temps.
Noisy...very noisy.
Cars on these tires with an autocross alignment will dart all over the road.
Picks everything up off the road and throws it into the wheelwells/rockers.
Downright scary in heavy rain.

In summary: I hate them all the way to the autocross event, (IMG:http://www.frrax.com/rrforum/style_emoticons/default/banghead.gif) Love them at the event, (IMG:http://www.frrax.com/rrforum/style_emoticons/default/2thumbs.gif) and Hate them all the way home. (IMG:http://www.frrax.com/rrforum/style_emoticons/default/banghead.gif)

How many miles have you gotten out of your Kumho Ecsta XS? Several of us ran NT05's (315 35 17 on all 4 corners) over the last 2 years and we are considering trying out the XS. How does the XS compare to the NT05?

This post has been edited by KCC455: Nov 7 2010, 03:11 PM

[z28jeff]

I probably have around 10k miles on them right now, and they're pretty worn. Not corded or even flat bald, but worn. Keep in mind that's with about 10 autocross events and a flashlight drag day.

I never drove on a nitto so I can't really compare the two.

[paq]

tanks guys for the imput! I really apreciate it.


-paq-

[sgarnett]

Several of us ran NT05's (315 35 17 on all 4 corners) over the last 2 years and we are considering trying out the XS. How does the XS compare to the NT05?

What do think of the NT05 after 2 years of experience?

[KCC455]

Several of us ran NT05's (315 35 17 on all 4 corners) over the last 2 years and we are considering trying out the XS. How does the XS compare to the NT05?

What do think of the NT05 after 2 years of experience?

I only run them for autocross and driving to and from the event. I have 15 events on my tires and somewhere around 1,000 - 1,500 street miles. On my tires, the wear bars are showing some wear on them. I could get maybe 3-5 more events out of my tires.

I have 2 friends that drive on their tires all the time, approx. 3,000 street miles, approx. 15 events and their tires are completely bald. The street miles definitely take a toll on these tires. Approx. 1/2 of the events are on concrete which is reportedly tougher on tires than asphalt. I wonder if the 315 35's on all 4 corners would wear faster than the stock size 275 40's.

The sidewalls are very stiff and good for handling. We run approx. 26 - 28 psi in the rear and 36 - 38 psi in the front. NT05's have a 200 treadwear rating and don't have as much grip as NT01's (100 treadwear) but allow us to run in a Street Mod Street tire class. There are 5 of us running NT05's (315 35 17 on all 4 corners). Collectively we wish they had more grip for how quickly they are wearing, but we may be asking too much for a street tire. We are thinking about running the Kumho Ecsta XS next year or some of us are considering switching to NT01's.

We would like to get feedback from people running the Kumho Ecsta XS.

[98_1LE]

I am on my second set of these, and 10k miles is pushing it on my M3. I am still undecided if they stick better than the Star Specs I had before. I think the Dunlops work better cold, aka typical street corner, and the Kumho's need some more heat. I ran 3 sessions on them earlier this year and they did fine. They are easy to hold at the edge.

[jeffburch]

I have 4 new 275-17's I need to get rid of. Will post pics soon.

jb