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Wider Tire sizes

Discussion in 'Suspension, Brakes, Wheels, Tires Discussion' started by Ahawk1968, Apr 23, 2018.

  1. Ahawk1968

    Ahawk1968 United States Member

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    Has anyone tried or heard of wider tires on the factory 19" wheels . Rear is 255, was thinking 275's might fit. Sure would look a bit meaner. Just curious...
     
  2. ScottM

    ScottM United States Active Member

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    I'm actually looking at possibly doing something similar. But I'm no tire guy, so I'm not sure how it will look/work. :ninja:
     
  3. Rufus

    Rufus United States 1000 Posts Club!

    The difference in width would be 2 cm, so maybe a half inch wider on each end. I bet it would fit, though the tires will stick out a bit further the the outside edge of the rims. I actually prefer that look and it provides a smidgen more protection for the rims. My 2 centavos :)
     
  4. JohnG7

    JohnG7 United States Member

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    I haven't seen anyone try any different sizes yet, but I think a little more tire might be better all around.

    I'll put this link that might help for comparing sizes:

    Rim & Tire Size Calculator. Custom Offsets

    Am sure we will soon see a few sets of rears needing replaced.
    I don't have all rim info nor tire info in front of me. Enter your own sizes for a bunch of data.
     
    Last edited: Apr 23, 2018
  5. robz32

    robz32 United States 1000 Posts Club! Staff Member Moderator Texas Stinger Swarm

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    The factory 255's are a perfect fit for the rear factory wheels, however the 275's will fit fine on the rears, as stated above, the tire will stick past the wheel a bit, but nothing that will affect the dynamics much.

    The fronts could also run a wider size, a 245 will fit great. However when changing the widths of the tires you will also be changing the sidewall size as well. So basically for a 255/35/19 (oem size rear) the sidewall measures 3.5" whereas on a 275/35/19, the sidewall measures 3.8". In the case of the front tires, the factory size is a 225/40/19 the sidewall measures 3.5" and on a 245/40/19 the sidewall measures 3.9".

    If you look at the numbers you can see why KIA decided to use those tire sizes, the sidewall measures the same and maintains a leveled ride height.
     
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  6. moinmoin

    moinmoin Stinger Enthusiast

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    This is another massive chart, sorted by tire diameter - our OEM tires on the 19" rims have a 26" diameter, which you want to maintain.

    Tire Size Chart

    Enjoy.
     
    Last edited: Apr 24, 2018
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  7. Ahawk1968

    Ahawk1968 United States Member

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    Was wondering about a 275 /30/ 19. Would keep the 26 inch diameter...

    Need some Xtra cash!
     
  8. 4wheelpilot

    4wheelpilot United States Active Member

    Are you "sure" 245 will fit in the front without a problem?
    I'm thinking of going 245 front and rear on my AWD GT1.
     
  9. robz32

    robz32 United States 1000 Posts Club! Staff Member Moderator Texas Stinger Swarm

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    Yes, there is enough clearance from the struts and control arms in the front. The tire will protrude a bit but you will be fine.
     
  10. 4wheelpilot

    4wheelpilot United States Active Member

    Thanks for confirming.
     
  11. jdouga

    jdouga United States Active Member

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    Anyone have pictures of their stinger with 275s in the back and/or 245s in the front?
     
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  12. Never thought

    Never thought United States 1000 Posts Club!

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    I think @Kamauxx is running 285 width in the rear and is lowered.
     
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  13. Never thought

    Never thought United States 1000 Posts Club!

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    I am curious as to what people with oversized tires have seen in mpg reduction if any.
     
  14. Kamauxx

    Kamauxx United States 2500 Posts Club!

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    I don't know if the tires caused it but I only get about 275 miles per tank.
     
  15. jdouga

    jdouga United States Active Member

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    Do you have pictures of your setup? And wow that is pretty drastic for just tires. That is what i get with e85 blend
     
  16. Kamauxx

    Kamauxx United States 2500 Posts Club!

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    Tires aren't the only mod I have. I have no idea if tires caused my mpg. I just drove 79.1 miles and average 20.01 mpg with a mix of about 75 hwy/25 city.

    [​IMG]
     
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  17. Ahawk1968

    Ahawk1968 United States Member

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    Seems like a 245 in front on stock wheels would be very close to the strut. I'd still love to see the 275 or even 285's in the rear.
     

    Attached Files:

  18. Kamauxx

    Kamauxx United States 2500 Posts Club!

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    The picture I posted above is 285s. Not on stock wheels though.
     
  19. xot1

    xot1 Korea, Republic of Stinger Enthusiast

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    Most people here use 245 40 19 in the front and 275 35 19 in the rear on aftermarket wheels. Most aftermarket wheels will be of size 8.5 and 9.5 and here are some pics of the same wheel with stock tyre and the wider tyre mentionned above.
    It is obvious that the thicker sidewall fills the wheel house better.

    stock tyre
    20190210_121957.jpg
    20190210_122013.jpg
    20190210_121850.jpg
    20190210_121834.jpg
    20190210_121811.jpg

    wide tyre (the black car is lowered I think)
    20190210_122039.jpg
    20190210_122051.jpg 20190210_122025.jpg
    20190210_121918.jpg
    20190210_121931.jpg

    (wheel spec: 19x8.5+38 19x9.5+38)
     
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  20. CaliSting

    CaliSting United States Stinger Enthusiast

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    For me wider tires would wreck playful balanced nature of the car. Kia engineers did very good job striking balance between grip and ability to let car move a bit. It’s funny longer I had the Stinger the less I wanted to mod it.
     
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