June issue GRM conducts "extreme" street tire test
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This is a discussion on June issue GRM conducts "extreme" street tire test within the Motorsports Talk forums, part of the Community - Meet other Enthusiasts category; not going to exactly relate to our 3000 lb + cars, but does give some indication Tires were tested in ...

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    Moderating on the run! Big Sky WRX's Avatar
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    June issue GRM conducts "extreme" street tire test

    not going to exactly relate to our 3000 lb + cars, but does give some indication

    Tires were tested in 15 inch sizes on a honda civic.

    Here is a summary of times from worst to first.

    6th - Falken RT 615 Mean time: 35.302 Sec Quick time 35.125 Sec.
    5th - Dunlop Direzza Sport Z1 Star Spec Mean time: 35.209 sec. Quick time 35.061
    4th -Toyo Proxes R1R Mean time: 34.522 sec Quick Time 34.452 sec
    3rd- Bridgestone RE-01R Mean time: 34.478 sec Quick Time 34.430 sec.
    2nd- Bridgestone Potenza RE-11 Mean time: 34.266 Quick time 34.238 sec.
    1st - Kumho ECSTA XS Mean time :34.170 Quick Time 34.030 sec.

    All tires were shaved to 3/32 nd and test performed on an Autocross set up.
    "Simplify and add lightness." - Colin Chapman

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    Registered User vttk_mig69's Avatar
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    interesting i have always favored Kumho tires since i had them on my last car and they arn't that badly priced. I was planing on getting the ASX's when i had money for some new wheels.

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    UnBanned Sinister's Avatar
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    I will Definitely have some RE-11s wrapped on some 18x8's within the year....

    Hey BigSky... the tire sizes that fit the 18x8 RPF-1 with a 45 offset were completely off at discount tire.. Any clue if a 245/40/18 will fit without rubbing with that ET on just USDM pink springs, and stock struts.
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    Moderating on the run! Big Sky WRX's Avatar
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    245/40 is too tall IMO- it's just shy of 26", you want to shoot for just under or at 25"

    245/35/18 if you can find it, 235/40 while a little taller than oe would still be a better choice (than 245/40)
    "Simplify and add lightness." - Colin Chapman

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    Admiral Ackbar the 1st mycologist's Avatar
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    Nice find. I am shopping for tires currently and have been looking at the Dunlops and Kumhos. The Kumhos are also 3# lighter at only 23#. I wish they had included the Hankook RS3.
    "From a little spark may burst a mighty flame." - Dante
    "The stitch is lost unless the thread is knotted." - Italian proverb

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    Moderating on the run! Big Sky WRX's Avatar
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    yeah the RS3 and the new Yokohama, AD08 didn't make it time for testing

    street tires have come a long way in just a few years
    "Simplify and add lightness." - Colin Chapman

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    Moderator   Sasquatch's Avatar
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    Interesting ...

    3000+ lb cars and 17" to 18" inch sizes might make a substantial difference.
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    Moderating on the run! Big Sky WRX's Avatar
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    ^ clearly

    I know the new Toyo's were used w/ quite a bit of success on Honda's and the like, but heavier cars they weren't working very well

    the Bridgestones and Dunlops clearly work w/ our cars, the Kumho is a question mark- price is awful nice though
    "Simplify and add lightness." - Colin Chapman

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    Moderator   Sasquatch's Avatar
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    Quote Originally Posted by Big Sky WRX View Post
    ^ clearly

    I know the new Toyo's were used w/ quite a bit of success on Honda's and the like, but heavier cars they weren't working very well

    the Bridgestones and Dunlops clearly work w/ our cars, the Kumho is a question mark- price is awful nice though
    I know you mentioned the car weight. Obviously the design and construction of a given tire will not remain constant as tire sizes change. What works in a 15" may not as well in a 17" or 18" (and the other way around).

    It is going to take a lot to get me to switch from the Dunlops.
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    UnBanned Sinister's Avatar
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    Quote Originally Posted by Big Sky WRX View Post
    245/40 is too tall IMO- it's just shy of 26", you want to shoot for just under or at 25"

    245/35/18 if you can find it, 235/40 while a little taller than oe would still be a better choice (than 245/40)
    So what's your opinion between the 245/35 and 235/40's?

    I'm willing to roll fenders, but I'm concerned about where the spring sits in the strut hitting. And I was unaware that a 245/35 could fit 18x8's. I knew a 245/40 could, but I thought the 35 was too short to properly fit a 245 tire on an 8" wide wheel.
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    Moderating on the run! Big Sky WRX's Avatar
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    not a lot of choices in 245/35, gearing wise a better choice for the WRX (if you cna find them in the tire you want)

    varies by manufacturer, but look at the spec section and it should show a minimum wheel width- it's not gospel (ie always people who run outside of the approved range), but clearly the tire usually does better on an approved width
    "Simplify and add lightness." - Colin Chapman

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    UnBanned Sinister's Avatar
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    do you know what the ET tolerances on a 8" wheel is so I don't rub the spring's perch on the strut?

    (I need to buy you a beer BigSky)
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    Registered User teflon_jones's Avatar
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    Have you considered the BF Goodrich KDW 2? I find them to be superior to the stock STi tires in pretty much every category, and in some categories they're WAY better (hydroplaning, road noise, and snow capability come to mind immediately).
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    UnBanned Sinister's Avatar
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    Quote Originally Posted by teflon_jones View Post
    Have you considered the BF Goodrich KDW 2? I find them to be superior to the stock STi tires in pretty much every category, and in some categories they're WAY better (hydroplaning, road noise, and snow capability come to mind immediately).
    I'm keeping my stock wheels and my michelin all seasons.. I'm wanting a set of tires that'll keep me glued to the road. RE11's it is.. I was so impressed with RE01r.. and the RE11 is supposed to be incredibly better. There's no question that I'm going with RE11's.
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    Moderating on the run! Big Sky WRX's Avatar
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    8" wheel I'd keep the offset in the 46-48 et range- as long as you don't go too wide on the tire you should be fine

    play around w/ this site

    Tire/Wheel Combination Calculator
    "Simplify and add lightness." - Colin Chapman

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