Whats the correct Air PSI for Kumhos Rear 18s

Cudaman

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Where did you find some 18" Kumhos? They are hard to find.

Cudaman :usa:
 

Cudaman

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I think you only posted because you know you are one of two people in the US that have 18" rears. Are you talking track or street.

I posted because of curiousity also I know how hard I looked for them and what I went thru to acquire them.

I do have 1 set of the first 2 sets of 335 18" rears. There is suppose to release a few more in the US. I have no idea why they are so slow about the release of the 18" in the US, while they are releasing many more in Europe.

These tires as my daily driver tires, although I have run Sebring road course after driving there with them on the car. My car makes serious power 25/7 and the Pilots are useless for me and also to drive in the rain if I am unlucky to be out in it. It was not possible to give full acceleration with the Pilots, the car would spin the tires in 1st and 2nd and 3 rd gears. Although I can give the same treatment with 18" Kumhos and I have absolutely NO spinning of the tires.

On the street I run 32 psi cold.

Cudaman :usa:
 
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vegasviper

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18s Rock.I ran a Z06 and had an instant 2 car jump on the guy
 

Cudaman

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18s Rock.I ran a Z06 and had an instant 2 car jump on the guy

It is all about traction :2tu: :2tu: :2tu:

congrats on the take down!!!






When will the fronts come out?

They have always had fronts in 18's...BUT use invisasheild to protect the side sills.... gravel will ruin your paint if you do not!!!




Cudaman :usa:
 
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vegasviper

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What are the front matching 18s listed under?


Can not find under V700 competition
 

Cudaman

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What are the front matching 18s listed under?


Can not find under V700 competition

They are slightly larger.....285 30 18" V700


Cudaman :usa:
 

rcdice

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For us 0-100 street guys, any problems with putting Kumhos on the rear and leaving the Pilots up front? Both 18".

Thanks,
 

Cudaman

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For us 0-100 street guys, any problems with putting Kumhos on the rear and leaving the Pilots up front? Both 18".

Thanks,

There is no issues with leaving Pilots on the front in fact you will not have the paint issues mention in my above post. I used fronts because the tire salesman suggested that any time you can have matching tires and thread pattern around the car it is recommended.

Cudaman :usa:
 

Marc Lublin

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I'm running the BFG drag radials. They are pretty sticky and can take way more power than the Pilots, which are useless, but they are done in under 3000K and they handle like crap. Hopefully more Kumhos are on the way.
 
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vegasviper

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I'm still getting used to the right left handeling of the Kumhos. I have my pilot sports on the front and curious how they compare to Kumhos all around
 

RedGTS

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Hopefully more Kumhos are on the way.

I bought some rears from JonB today and TireRack also has some in stock.

I'm still getting used to the right left handeling of the Kumhos. I have my pilot sports on the front and curious how they compare to Kumhos all around

What do you mean, just how the car corners? I haven't tried the Kumhos yet, but by all accounts they are FAR stickier than the Pilots (as a competition tire should be). I would think that Kumho's on the rear and Pilots on the front (which I will try as well whenever I put them on) would result in a car that understeers significantly at the limit, because the Pilots will lose grip a lot sooner than the rear Kumhos.
 
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