Which tire size? 255 40 or 245 45 for example

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Old 10-18-2017, 10:26 AM
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Which tire size? 255 40 or 245 45 for example

2012 TSX - Using TL Type S 17" wheels. Was thinking of going with two sets of wheels and throwing winters on these TL wheels but I'm just going to go with a set of all seasons and if I get another set of wheels I throw summer tires on them.

Which size would work/look best on a stock suspension? I like the idea of the extra wheel width with 255's (the rims I have a pretty heavy though). TL owners were reporting 255's with a 40 sidewall, but im wondering if its getting too close to a rubber band looking tire with the very high wheel well gap our TSX's have. I'm afraid it would look silly. Can anyone make a recommendation?
Old 10-18-2017, 12:15 PM
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I think I've suggested just buying 18's and using 245/40/18 before.

If you're decided on buying another set of 17's to round out the two sets of 17's you already have...245/45 is slightly smaller than the stock 225/50...and 255/45 is slightly larger than the stock 225/50.

Both are about a 4mm deviation from the stock rolling diameter.
Old 10-18-2017, 12:17 PM
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https://acurazine.com/forums/2g-tsx-tires-wheels-suspension-300/looking-purchase-new-rims-957869/
Old 10-18-2017, 12:38 PM
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You gave great suggestions. My next wheels will not be 17" - I'm interested in the specific tire size/wall/width for my current 17"s. Now that I have a 8 inch rim I'm wondering if 255's are the way to go.

The stockers I have are not in the best shape. Bought the car with a bit a curb rash and unknown to me two wheels were safe but dented on the inner wheel. I do not plan on putting them on the car until I sell it.

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Old 10-18-2017, 12:46 PM
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Originally Posted by TSX1012m6
You gave great suggestions. My next wheels will not be 17" - I'm interested in the specific tire size/wall/width for my current 17"s. Now that I have a 8 inch rim I'm wondering if 255's are the way to go.

Nominally, a 255 is slightly over 10" wide (255mm).

You would want at least 9 or 9.5" wheels to accomodate them. They will "square out" on a 9.5" wheel.

A 255 will be pinched pretty badly on a 8" wide wheel. So will a 245, for that matter.

Aesthetics aside, in terms of optimizing the tyre...235mm is about the max you'd want on a 8" wide wheel. Even that is a little much.

**referring to tyres in the sidewall heights that pertain to the TSX.

Last edited by BROlando; 10-18-2017 at 12:53 PM.
Old 10-18-2017, 01:04 PM
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255's are definetly pinched in. I'm not going to go that route, after some research 255 40 will not fit on an 8" rim (45 sidewall would though). I have 225 on there now. The lip of the wheel sticks a little less than 1/8". The sidewalls of the tire are not flush with the rim. The type S came with 235's on them.



235:


245:




255 (this confirms that 255 40 will not work, but a 45 side wall will)



I'm also thinking to try to stay at a 45 sidewall. With the wheel gap, a 40 sidewall will just look silly on a a set of wheels that already look small on the car. I know, I just LOVE the Type S wheels.

Last edited by TSX1012m6; 10-18-2017 at 01:07 PM.
Old 10-18-2017, 01:19 PM
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Yes, a taller sidewall will make a tyre work at narrower rim widths. Trucks have 265's on 7.5" wheels, for example.

But aesthetically, it will still look pinched. Aesthetics are viewer dependent. I like my tyres to "square out". Though, a pinched tyre is my preference over a stretched tyre.

A 255/45 or 245/45 is within (+/-) 4mm of the stock rolling diameter, as mentioned prior.

255/40 is the incorrect size for a 2G TSX. Your speedometer would be off considerably.
Old 10-18-2017, 01:26 PM
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Great points. I believe you have already said 235, but in this scenario would you go with 235/45 or 245/45? I personally like the idea of a slightly wider tire, 235 is a nice jump from 225 regardless.
Old 10-18-2017, 01:32 PM
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245/45 is closer to the stock diameter. I'd probably go with that.
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Old 10-27-2017, 10:21 AM
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I'm very happy with 245/45/17. Car drives great and grips fantastic. Haven't had a chance to drive in wet weather yet. Road noise is minimal as well. Went with BF Goodrich geforce comp-2 AS




Old 10-28-2017, 12:40 PM
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Looks great, bruv
Old 02-21-2018, 12:57 AM
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Originally Posted by TSX1012m6
I'm very happy with 245/45/17. Car drives great and grips fantastic. Haven't had a chance to drive in wet weather yet. Road noise is minimal as well. Went with BF Goodrich geforce comp-2 AS




WOW those are some beefy looking tires bro!




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