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Downsizing to 17s, advice?

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Old 03-04-2014, 09:36 PM
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looks good.
Old 03-05-2014, 12:52 PM
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Thanks man, feels good too honestly, ride feels a bit softer over bumps and whatnot, plus I noticed turning and cornering seems to be a bit easier, probably because they're wider than stock, 245 vs 225.
Old 03-05-2014, 05:30 PM
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I think my car may be a little too low in the front, I'm understeering pretty badly when I try to take a corner at anything more than 15 mph. Could the tires be rubbing?
Old 03-05-2014, 07:51 PM
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Originally Posted by SStoRX8
I think my car may be a little too low in the front, I'm understeering pretty badly when I try to take a corner at anything more than 15 mph. Could the tires be rubbing?
Could be alignment, could also try increasing the dampening in the rear and decreasing it in the front. Or more tire pressure in the rear and less in the front.

Most likely thought it's just the tires you chose, high treadwear all season tires don't offer much in terms of performance and understeering and other poor handling traits are kind of to be expected.

If you were on stock tires before, you more than doubled the treadwear rating and went from a summer performance tire to an all season tire that's more geared towards daily drivers and getting a lot of miles out of them instead of a more performance oriented vehicle.
Old 03-05-2014, 08:39 PM
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Oh no I was on all seasons before as well, I could never use summer tires in MI lol, I wish. And I recently had it aligned to specs that I got from Paimon on here. Just so it's know, my wheels have a +42 offset and the front end is about 13" from the center of the wheel to the fender while the rear is at about 14", tire size is 245-45-17. Oh and the treadwear is 360 if I'm not mistaking, but oddly enough when I got out of class I tried to replicate what happened before and it wouldn't understeer, it almost oversteered actually, so I suspect there might have been ice that caused me to slip a bit.
Old 03-05-2014, 08:40 PM
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But I may raise the dampening in the rear a bit then, they're on full soft now but they're still killing me because of the extreme cold, it's really stiffening the ride, they're actually pretty comfortable in the warmer weather as far as coilovers go.
Old 03-05-2014, 09:20 PM
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Originally Posted by SStoRX8
Oh no I was on all seasons before as well, I could never use summer tires in MI lol, I wish.
Your wish is easily granted with the purchase of winter tires. Then you'll have the best of both worlds.
Old 03-05-2014, 09:33 PM
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Hmm, what makes winter tires better in terms of performance than all seasons? I know they're generally more narrow than other tires, so they have less surface area they need to grab to gain traction in the snow.
Old 03-05-2014, 09:41 PM
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All season tires are a compromise, by trying to do everything they do nothing best. They perform worse in the summer than a dedicated summer tire and perform worse in the winter than a dedicated set of winter tires. It's a proven fact that winter tires outperform all season tires in both the dry and on snow or ice in below freezing temps.
Yes, you can use an all season tire in the winter but a dedicated winter is hands down better.
I'm not telling you to switch tires, I was just responding to your "I wish" statement.
Old 03-05-2014, 10:09 PM
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Oh of course, winter tires are going to be better than anything in the winter, but I never knew they outperformed all seasons even in dry conditions, that an interesting fact. Maybe next winter I'll invest in a set, thanks for the info man.
Old 03-17-2014, 10:27 AM
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Okay quick question, I was thinking about the increase in size of my current tires vs my stock tires, 245/45/17 vs 225/45/18, and I thought, shouldn't my current tires have more air in them than my stock ones? For example, instead of 32 psi like stock should these have let's say 36 psi? Just a thought, I may be completely wrong for thinking this haha.
Old 03-27-2014, 12:13 PM
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Psi is a unit of pressure (pound force/square inch). A wheel/tire combo with a larger internal volume will have more air inside than a combo with a smaller volume assuming the pressure is the same in both sets.

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