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Tire sizes #260566 Aug 26, 7:03pm Aug 26, 7:03pm
Joined: Aug 2004
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wisconsin
celicaanton OP
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2001 Toyota Celica GT
celicaanton OP
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2001 Toyota Celica GT

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wisconsin
Tire sizes
I want to know if I lower my car with sportline springs (1.8 in front and 2.4 in the back) and I run 18" rims what is the best every day driveable tire to use; 215/35/18; 225/40/18; or 235/40/18 I still want a good looking low pro tire, but I want the right size to run. I think the 40 series is a little to thin, I need some advice.

Re: Tire sizes [Re: celicaanton] #260567 Aug 26, 7:15pm Aug 26, 7:15pm
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225/40/18


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Re: Tire sizes [Re: celicaanton] #260568 Aug 26, 8:04pm Aug 26, 8:04pm
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Saint Louis, MO
slidr
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If you think that 40 series tires are too thin, then go with 17's instead of 18's.


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Re: Tire sizes [Re: slidr] #260569 Aug 26, 8:19pm Aug 26, 8:19pm
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what does the first number signify in the tire size.


Jay-c
Re: Tire sizes [Re: JAY-C] #260570 Aug 26, 10:42pm Aug 26, 10:42pm
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Tire width / Tire height / Rim Size
GTS: P205 /50 / R16
GT: P195 /60 / R15

Re: Tire sizes [Re: Haulin_A_Doo] #260571 Aug 26, 10:50pm Aug 26, 10:50pm
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Yep. 1st number is the tread width. In other words, how wide the tread is.

2nd number is an aspect ratio. For example...

If your tire size is 200/50/16 (not a real size I think, but easier to do math on), then the tread width is 200 millimeters. The side wall can be figured by thinking of the middle number as a percentage, and multiplying it by the first number. 50% of 200 millimeters, means that your side wall is 100 millimeters tall, or wide.

And yeah, the 3rd number is your rim size.


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Re: Tire sizes [Re: slidr] #260572 Aug 27, 10:01am Aug 27, 10:01am
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white_celicagts
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your stock size for the GT is 195/60/15 which has an overall diamter of 24.126

if you went with a
215/35/18 your overall diameter would be 23.8695

or
215/40/18 overall diamter would be 24.708

so either way your not going to get an exact overall diameter just close... overall diameter changes your speedo so you dont want to get to far from the original overall diameter


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Re: Tire sizes [Re: white_celicagts] #260573 Aug 27, 4:44pm Aug 27, 4:44pm
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will 225/35/18 work for our car?? or is /35/ too small??

Re: Tire sizes [Re: Octaandy] #260574 Aug 27, 4:48pm Aug 27, 4:48pm
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Originally Posted by Octaandy
will 225/35/18 work for our car?? or is /35/ too small??
Should work. I have that same setup, but on a 17 inch rim.


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Re: Tire sizes [Re: Octaandy] #260575 Aug 28, 6:17am Aug 28, 6:17am
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Originally Posted by Octaandy
will 225/35/18 work for our car?? or is /35/ too small??


I'm running 8,5x19's with 235/35/19 tyres all around. No problems.

Re: Tire sizes [Re: celicat23] #260576 Aug 28, 7:00am Aug 28, 7:00am
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all these numbers, i feel like im back in math class again, and i dont like it!!


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Re: Tire sizes [Re: Octaandy] #260577 Aug 28, 12:05pm Aug 28, 12:05pm
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white_celicagts
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Originally Posted by Octaandy
will 225/35/18 work for our car?? or is /35/ too small??


gets you an overall diameter of 24.1425


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Re: Tire sizes [Re: celicat23] #260578 Aug 28, 12:08pm Aug 28, 12:08pm
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Originally Posted by celicat23
Originally Posted by Octaandy
will 225/35/18 work for our car?? or is /35/ too small??


I'm running 8,5x19's with 235/35/19 tyres all around. No problems.


do you rubb at all and how far is your speedo off...

overall diamter of 25.4155


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