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Old 02-04-2013, 10:59 PM   #1
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Ratio/Sidewall

How much is 35 sidewall in inches or a 40 sidewall?
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Old 02-04-2013, 11:08 PM   #2
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Quote:
Originally Posted by OzzyLiriano
How much is 35 sidewall in inches or a 40 sidewall?
It matters on the width. The sidewall number is a percentage of the width. Let say you have 265/50/15 the sidewall would be 50% of 265.
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Old 02-04-2013, 11:08 PM   #3
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I think it's millimeters
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Old 02-04-2013, 11:09 PM   #4
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So basically 275/40/20 is taller or thicker in sidewall than a 295/40/20?
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Old 02-04-2013, 11:12 PM   #5
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Quote:
Originally Posted by OzzyLiriano
So basically 275/40/20 is taller or thicker in sidewall than a 295/40/20?
295s would have a thicker sidewall because the percentage stayed the same.
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Old 02-04-2013, 11:20 PM   #6
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295s would have a thicker sidewall because the percentage stayed the same.
Im lost on this lmfao! What about 295/35/20 vs 275/40/20, who has the thicker sidewall?
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Old 02-04-2013, 11:21 PM   #7
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http://www.1010tires.com/tiresizecalculator.asp

---------- Post added at 11:21 PM ---------- Previous post was at 11:20 PM ----------

Quote:
Originally Posted by OzzyLiriano

Im lost on this lmfao! What about 295/35/20 vs 275/40/20, who has the thicker sidewall?
In that case the 275 since the aspect ratio drop to 35 on the 295
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Old 02-04-2013, 11:28 PM   #8
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Originally Posted by 86custom View Post
http://www.1010tires.com/tiresizecalculator.asp

---------- Post added at 11:21 PM ---------- Previous post was at 11:20 PM ----------



In that case the 275 since the aspect ratio drop to 35 on the 295
thanks and for the site too
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Old 02-04-2013, 11:59 PM   #9
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No problem
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Old 02-05-2013, 12:08 AM   #10
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thanks and for the site too
Its a bit inaccurate tho, ita saying my stock 235/50/18 are 27.25 inches, and they are really 26.25, so im guessing i have to subtract an inch
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Old 02-05-2013, 12:16 PM   #11
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No, the math is correct. 235mm * 0.5 is your sidewall height, or 117.5mm. Convert that to inches, double it, and add you wheel size and you end up at about 27.25" Remember that the tire size measurements from the manufacturers are nominal. Just because they *say* it's a 235mm wide tread, the actual tire will vary from that somewhat.

Doing the math again, your 295/35-20 would have 103.25mm sidewalls or approximately 4", so a 28" tall tire. The 275/40-20 would have 110mm sidewalls, ending up at 28.66" total height. Make sense now?
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Old 02-05-2013, 12:20 PM   #12
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Originally Posted by claudermilk View Post
No, the math is correct. 235mm * 0.5 is your sidewall height, or 117.5mm. Convert that to inches, double it, and add you wheel size and you end up at about 27.25" Remember that the tire size measurements from the manufacturers are nominal. Just because they *say* it's a 235mm wide tread, the actual tire will vary from that somewhat.

Doing the math again, your 295/35-20 would have 103.25mm sidewalls or approximately 4", so a 28" tall tire. The 275/40-20 would have 110mm sidewalls, ending up at 28.66" total height. Make sense now?
Yes, my question would be if i do an inch drop on 295/40/20, would i rub or should i go 275/40/20?

I wish i could just try the dam wheels lol
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Old 02-06-2013, 11:25 AM   #13
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Now that I can't help with. Though I would ask how wide the wheels are. I'm guessing 10"? If so you are good for those tire widths.
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Old 02-06-2013, 11:29 AM   #14
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Originally Posted by claudermilk View Post
Now that I can't help with. Though I would ask how wide the wheels are. I'm guessing 10"? If so you are good for those tire widths.
No its more about the sidewalls, i know the 275/40 fits fine, a lot of ppl have it, but the 295/40 are an inch thicker
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