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Old 08-31-2019, 03:41 PM   #1
drave199
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Member#: 500229
Join Date: Apr 2019
Vehicle:
2007 WRX

Default 245/35r18 tire ride quality?

Hi. So I have a 2007 WRX that is currently on the stock wheels and suspension running the stock tire size. I have gotten the engine where I want it and now looking to upgrade the wheels/tires and possible lower the car slightly. Trying to get rid of the hideous wheel well gap and get a lower offset wheel.

At first I was going to go with a 17x8 but the preferred 235/40 tire size seemed to have limited options. I believe I have decided on a 18x8.5 Konig wheel. I realize I will need to roll the rears at least which I have come to accept. I was hoping to keep at least the same side wall height as stock but going with a 245/40 tire would add about an inch overall height and that seems to be a no no with gearing? I definitely donít want to loose power/acceleration and possibly cause issues with the car. So the 245/35 is the next best option but it is such a thin sidewall that I wonder if the ride quality sucks? Is it that much different than what I have now running the stock setup or am I splitting hairs here? I donít particularly like the look of a big wheel and tiny sidewall but I realize I may need to compromise somewhere. Iíve been a truck guy and so the thought is to run a bigger tire which then you can air down a bit to have a better ride. But I know itís probably apples and oranges. I have seen pictures of guys running a bigger or Ďmeatyí tire and I like the look. I do like the looks of the 19 sti and they run a 245/35 so maybe It would grow on me. Any thoughts? Fwiw, Iím looking at the pilot super sport/or pilot sport tires.

Side note, I was thinking I may also want to lower the car slightly to get the look I want but probably an inch or less. I was thinking of either sti take offs or pinks. Probably pinks since they will lower it slightly more. Is there a good source for those you recommend? Thanks for the help
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Last edited by drave199; 08-31-2019 at 03:54 PM.
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Old 09-05-2019, 02:00 AM   #2
drave199
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Minus the other crap above, Iím just looking for someoneís experience with a 245/35 profile tire in relation to ride comfort?
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Old 09-06-2019, 08:22 AM   #3
oichan
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Join Date: Oct 2018
Location: A garage in the Midwest
Vehicle:
2019 WRX / 16 STI
2017 Golf-R, etc

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I’ve ran Continentals in both 245/35 and 235/35 both pretty comfy even at 39psi on my Golf-R. Your suspension spring rate will play part in the initial bump impact harshness but Conti ‘s are soft sidewall tires.
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Old 09-08-2019, 06:56 PM   #4
drave199
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Quote:
Originally Posted by oichan View Post
Iíve ran Continentals in both 245/35 and 235/35 both pretty comfy even at 39psi on my Golf-R. Your suspension spring rate will play part in the initial bump impact harshness but Conti Ďs are soft sidewall tires.


Thanks for chiming in. Iím still on the fence with going with this set up or not. I like the idea of a wider setup for looks but I do t particularly like the smaller side wall look. It also concerns me about the comfort of the small side wall but itís good to hear itís not bad. Thank you
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Old 09-13-2019, 09:31 AM   #5
Norm Peterson
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Chapter/Region: Tri-State
Location: our wrx IS the family sedan
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'19 WRX Limited 6MT
'08 Mustang GT (the toy)

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Quote:
Originally Posted by drave199 View Post
Minus the other crap above, Iím just looking for someoneís experience with a 245/35 profile tire in relation to ride comfort?
Ride comfort is probably the minor drawback here.

Short-sidewall tires are more likely to experience 'pinch flats', where the sidewall gets pinched between the wheel and something like the far edge of a pothole. Plus there'd be an increased risk of damaging a rim. You might be able to mitigate that to some extent with increased inflation pressures, though that would tend to make the car ride harder and lead to uneven tire wear.

I realize that the current STi runs 245/35's, but at least they're in 19" which gives them slightly greater load capacity and vertical tire stiffness at any given inflation pressure.


Norm
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Old 09-14-2019, 11:37 PM   #6
Scorpius
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Join Date: Oct 2013
Location: Northern Indiana
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2019 WRX/STI DGM
2016 WRX/STI ISM

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My 2019 STI rides smoother than my 2016 STI. I want more sidewall on my 2019. There's two seasons in Indiana, road construction and winter.
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