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Wheels | Tires | Spacers | Hub -- Sponsored by The Tire Rack Specific topics relating to wheels and tires.


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Old 12-14-2017, 09:45 PM   #1
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17x9 vs 18x9.5 for track use?

I'm stuck between the benefits of each tire. The 18x9.5s can fit a 265, but weigh a tad more. The 17x9s are lighter, but are usually ran with a 245. Which is more important to you, lighter weight or more tire width?

18x9.5s

17x9s
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Old 12-14-2017, 09:49 PM   #2
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i am running 17x9 right now with a 245/40
i am planning on running 18x10 and 285/30R18 because everybody else does that who is competing in time attack and if i dont have the same level of rubber on the road i wont be competitive. it is what it is.
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Old 12-14-2017, 09:52 PM   #3
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i am running 17x9 right now with a 245/40
i am planning on running 18x10 and 285/30R18 because everybody else does that who is competing in time attack and if i dont have the same level of rubber on the road i wont be competitive. it is what it is.
That's what I've noticed. I'd be right in the middle with 18x9.5s. That's what I'd prefer.
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Old 12-14-2017, 09:53 PM   #4
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Honestly? If you're new to tracking stick with stock tires and wheels. You'll learn a ton about slip angles. People are too quick to put on sticky tires when starting to track.
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Old 12-14-2017, 09:58 PM   #5
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Honestly? If you're new to tracking stick with stock tires and wheels. You'll learn a ton about slip angles. People are too quick to put on sticky tires when starting to track.
I've been on track, no worries. I beat the snot out of my stock tires and suspension before upgrading. I'm just curious about everyone's opinions on the matter.
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Old 12-14-2017, 10:16 PM   #6
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I've been on track, no worries. I beat the snot out of my stock tires and suspension before upgrading. I'm just curious about everyone's opinions on the matter.
But did you learn to be a better driver. Throwing a car around is one thing however learning car control is another issue. Beating the snot out of your equipment is no gauge of being a good driver.
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Old 12-14-2017, 10:23 PM   #7
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But did you learn to be a better driver. Throwing a car around is one thing however learning car control is another issue. Beating the snot out of your equipment is no gauge of being a good driver.
Of course. There's always things to take away from every session. It'd be extremely naive to throw a car around without the intent of taking something away from it. I'm not here to discuss my driving, though. I'm here to discuss whether or not members prefer a wider tire or lighter wheel when it comes to wheel sizes.
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Old 12-14-2017, 10:34 PM   #8
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Mmm stock power with 285?? Im run 17x9 with 245/40 and next i would go with a 255/40.
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Old 12-14-2017, 10:40 PM   #9
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i wouldnt go over 225/40R18 on stock power.

i was 0.4 seconds slower on 245 than 225 on stock power.
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Old 12-14-2017, 10:54 PM   #10
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Of course. There's always things to take away from every session. It'd be extremely naive to throw a car around without the intent of taking something away from it. I'm not here to discuss my driving, though. I'm here to discuss whether or not members prefer a wider tire or lighter wheel when it comes to wheel sizes.
with stock power the width and compound will prevail. You can never go wrong with a good 17x 225 for these cars.
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Old 12-14-2017, 11:15 PM   #11
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17in tires being cheaper is a big reason to stick to 17s. 17x9 with a 200TW 245 or 255 is a lot of tire for an NA car.
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Old 12-14-2017, 11:33 PM   #12
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Do you have that much power to need a 265 or wider tire? I know experienced drivers who have said they’re faster on a narrower tire.
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Old 12-15-2017, 12:16 AM   #13
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225's on a 17x8 at stock power, unless you're only looking to be competitive in autox, then 17x9 with 245's.
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Old 12-15-2017, 12:52 AM   #14
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Do you have that much power to need a 265 or wider tire? I know experienced drivers who have said they’re faster on a narrower tire.
Not talking about me in this instance. Just curious as to what everyone prefers.
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