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Thread: Need help with tire size/brand

  1. #1
    Sc400 JDMmuscle's Avatar
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    Default Need help with tire size/brand

    ok, rims

    18x8.5 front
    18x9.5 rear

    What would be a good size? looking for low profile, car sits really really low

    any suggestions on brands?

    had Federals on my old car and absolutely loved them, tread wear ROCKED, hard compound, great for drifting

    Any one else have any other brands they suggest?


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    I'm not OK. Doppelgänger's Avatar
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    dont stagger your wheels size too much... it'll make for shitty understeer when pushing the car hard. Besides, not putting the widest tire you can on the rear makes the sidewall more stable and responsive

    I'd probably way something like 225/45 18 front and 255/40 18 rear... that way you'll also have the same rolling diameter (ok, so its off by like 2/10ths of an inch..... front circumference would be 81.6 in and rear would be 81.8)

    have fun with this....
    http://www.miata.net/garage/tirecalc.html
    02' Miata




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    Sc400 JDMmuscle's Avatar
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    Thanks bro for the help

    +rep

    any tire brands you like? what are you going to be running with your new rims?


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    LS/VTEC FTMFW!! SKUNK2GUY's Avatar
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    i dont know about tires good for drifting but i know i LOVE kumhos!
    YEAH I LIKE TO PARTY!

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    Sc400 JDMmuscle's Avatar
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    Quote Originally Posted by SKUNK2GUY
    i dont know about tires good for drifting but i know i LOVE kumhos!

    any special reason why bro?


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    I'm not OK. Doppelgänger's Avatar
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    im running Bridgestone Fuzion ZRi and im quite happy with them. Never liked TOYOs. Kumho are alright in my book. BFGoodrich KD Sports are also nice.
    02' Miata




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    Sc400 JDMmuscle's Avatar
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    www.jasontbarker.com speedminded's Avatar
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    Quote Originally Posted by speedminded
    What's the original tire size?
    hello?

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    Sc400 JDMmuscle's Avatar
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    sorry bro

    i belive there like

    225/55/16

    or somthing like that



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    www.jasontbarker.com speedminded's Avatar
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    Quote Originally Posted by JDMmuscle
    sorry bro

    i belive there like

    225/55/16

    or somthing like that

    you always want to match the same outside diameter, you go a size wider then you want to go a series lower...just trying to figure out what works the best.

    As mike mentioned you don't want to stagger too much or you'll have serious understeer issues, especially in slippery conditions...

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    Sc400 JDMmuscle's Avatar
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    SO are those tire size's for

    8.5 inchs wide front
    9.5 inch's in the rear?

    Front: 245/40-18 Rear: 265/35-18
    from those numbers says the front has a larger side wall then the rear?!

    thats kinda weird




    and do you think the staggered fitment i want to buy (8.5 front 9.5 rear) do you think that will progress to understeer?

    Im going for a crazy handling car, so anything that will reduce the drivablilty is a big no no for me


    if some one can give me a Strait up number for 8.5 frount and 9.5 rear, i will strait up get them


  14. #14
    www.jasontbarker.com speedminded's Avatar
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    Quote Originally Posted by JDMmuscle
    SO are those tire size's for

    8.5 inchs wide front
    9.5 inch's in the rear?

    Front: 245/40-18 Rear: 265/35-18
    from those numbers says the front has a larger side wall then the rear?!

    thats kinda weird
    Do you know what those numbers mean? The first number, 245 means 245mm or 24.5cm...divide that by 2.54 and that will tell you how many inches wide it is. The second number, 40, is the precentage of the first number. So 40% of 24.5cm is the thickness/profile of the tire. Obviously the last number is the wheel size.

    With that said, 40% of 245 is pretty close to 35% of 265 (1.6% differance)

    Specification Sidewall Radius Diameter Circumference Revs/Mile Difference
    245/40-18 3.9in 12.9in 25.7in 80.8in 784 0.0%
    265/35-18 3.7in 12.7in 25.3in 79.5in 797 -1.6%


    Quote Originally Posted by JDMmuscle
    ....and do you think the staggered fitment i want to buy (8.5 front 9.5 rear) do you think that will progress to understeer?

    Im going for a crazy handling car, so anything that will reduce the drivablilty is a big no no for me


    if some one can give me a Strait up number for 8.5 frount and 9.5 rear, i will strait up get them
    I would get on the Lexus boards and see what peoples experiences have been, i'm sure someone one there can tell you about clearance issues

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    Sc400 JDMmuscle's Avatar
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    I thought Tire sizes are expressed in the format WWW/AAXDD. WWW is the tire’s section width, measured in millimeters. AA is the aspect ratio or profile of the tire, which expresses the tire’s height as a percentage of its width. X is a letter indicating the tire’s internal construction. DD is the diameter in inches of the wheel that the tire is intended to be mounted on.


    Right?



    and i was going back and read the numbers again... makes sense now haha

    im an idiot i just missed a few things man



    thank you for the help man, recommend any brands?


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