Wheels and Tires Discussion about wheels and tires for the S2000.
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Old May 8, 2009 | 05:14 PM
  #481  
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Originally Posted by metros,May 7 2009, 08:26 PM
From my calculations using
17x8 +43mm = 12mm closer to fender= .47 inches closer to fender. That seems like it should fit.

17x9 +43mm = 22mm closer to fender than stock = .86 inches closer to fender.
With 43 on front and rear, a 205 front and 245 rear should fit pretty well. Beyond that, you will be likely to get some rubbing unless you take some actions against it.

"Seems like it should fit" doesn't really cut it.

My info comes from real-world data on real S2000s. Taking a ruler out to your car doesn't really work either, because you can't see what really happens when the suspension moves through its entire range or motion.

Cheers,
Ken
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Old May 9, 2009 | 10:43 PM
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I'm too lazy to read through the twenty pages to see if my question has been addressed, but since the first post still states the following quote, i'll assume it hasn't

"What does this mean? It means that you can have two wheels, one 7 inches wide, and one 8 inches wide, and if the offset of the two wheels is the same, the tire will be in the same place relative to the fenders"

this does not make sense to me. so assume i have a 7 inch wide wheel and an eight in wide wheel. if both of the wheels have zero offset for example, than won't the eight inch wide wheel be half an inch closer to the fender?? so how is it that two different width wheels that have the same offset will be the same distance to the outer fender??
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Old May 10, 2009 | 06:14 AM
  #483  
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Originally Posted by spa-zz,May 8 2009, 05:14 PM
With 43 on front and rear, a 205 front and 245 rear should fit pretty well. Beyond that, you will be likely to get some rubbing unless you take some actions against it.

"Seems like it should fit" doesn't really cut it.
^^^I agree, that's why I'm here asking.

I'm looking into what rolling my fenders will mean. I'm also just sleeping on the idea in general. I have a bit of money from when I sold my STi and trying to decide where the best place to put that money is.

Bilstein pss9/more aggressive clutch, lighter flywheel

or

FN01r-c with fender roll and new front tires.

I plan on tracking the car. At this point I'm leaning towards the pss9/new front tires/clutch.
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Old May 10, 2009 | 08:11 AM
  #484  
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Originally Posted by theblackpearl,May 10 2009, 01:43 AM
this does not make sense to me. so assume i have a 7 inch wide wheel and an eight in wide wheel. if both of the wheels have zero offset for example, than won't the eight inch wide wheel be half an inch closer to the fender?? so how is it that two different width wheels that have the same offset will be the same distance to the outer fender??
The wheel WILL be a half inch closer to the fender. You are right about that.

But think of it this way: What rubs on the fender? The wheel? No. The TIRE rubs on the fender. Specifically, 99% of the time it's the tread (or very edge of the tread) of the tire that rubs the fender. The location of the tread of the tire doesn't change with wheel width. The sidewall moves in and out a bit, but the tread location stays centered on the wheel. Thus:

Changing offset will make a big difference because you are changing the location of the tire.

Changing wheel width doesn't matter much because the wheel doesn't rub the fender. If it does, sell the car right away.

Things must be kept in perspective here. You don't run a 11" wide wheel with a 195 tire.

Cheers,
Ken
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Old May 10, 2009 | 02:45 PM
  #485  
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but if you use a wider wheel, don't you usually use wider tires.

for example (i know the real tire width isn't like this but...), if i'm using a 7 inch wide wheel, then i'll also use a 7 inch wide tire, but if i switch to an 8 inch wide wheel, then i'll use an 8 inch wide tire. so if the tread/tire is centered on the wheel and the 8in wheel is half an inch closer to the fender, then the 8in tire is also half an inch closer to the fender (i know that tire width isn't measured like this but you get the point i think). so am i wrong in these assumptions?? explain please, i'm still a little confused. thank you

ps. i'm basically assuming that you won't pinch or stretch the sidewall to put the same tire on different width wheels, instead, i want to use the recommended tire size for certain widths
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Old May 10, 2009 | 05:15 PM
  #486  
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Originally Posted by theblackpearl,May 10 2009, 05:45 PM
but if you use a wider wheel, don't you usually use wider tires.
Indeed, you usually use wider wheels with wider tires. However there is always an acceptable range, and the range can be quite wide.

[QUOTE=theblackpearl,May 10 2009, 05:45 PM]for example (i know the real tire width isn't like this but...), if i'm using a 7 inch wide wheel, then i'll also use a 7 inch wide tire, but if i switch to an 8 inch wide wheel, then i'll use an 8 inch wide tire.
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Old May 12, 2009 | 03:16 AM
  #487  
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Ok need some help. Found some advan's on online and wanted to see if they'll work. 18x8.5 offsets 45.
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Old May 12, 2009 | 04:27 AM
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Originally Posted by nigaphan,May 12 2009, 03:16 AM
Ok need some help. Found some advan's on online and wanted to see if they'll work. 18x8.5 offsets 45.
they will fit. roll guards though
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Old May 12, 2009 | 04:30 AM
  #489  
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[QUOTE=nigaphan,May 12 2009, 06:16 AM]Ok need some help.
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Old May 12, 2009 | 05:58 AM
  #490  
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Originally Posted by jaeyon00,May 12 2009, 07:27 AM
they will fit. roll guards though
Hang on a second, honcho.

You can't tell him if it will fit because he hasn't mentioned what tire he plans to use.
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