Anyone try 40 sidewall on 9.5" wheels?

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Old 05-12-2015, 12:03 AM
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Anyone try 40 sidewall on 9.5" wheels?

As the title states, has anyone tried a 40 sidewall on 19x9.5" wheels?
255/40/19 on 9.5" wheels, is that TOO beefy or would that look okay?

Just wondering the difference of look between a 265/35/19 and a 255/40/19 tire.

If anyone has pictures of those sizes or similar feel free to share!
Old 05-12-2015, 02:37 AM
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FACTORY SIDEWALL: 98 mm, speedometer +/- 0%
255/40/19 SIDEWALL: 102mm, speedometer - 1.17% Slow
265/35/19 SIDEWALL: 92.75mm, speedometer + 1.57% fast
275/35/19 SIDEWALL: 96.25mm, speedometer + 0.52% fast
285/35/19 SIDEWALL: 99.75mm, speedometer - 0.51% slow
295/35/19 SIDEWALL: 103.25mm, speedometer - 1.55% slow

I'd recommend the 285 so you have a slightly larger sidewall and your speedometer won't be off by much. The 285 will give you better protection on the edge of the rims against curb damage. 295MM is the max you can go on a 9.5 tire safely. The 255 will fit well however they will leave a bunch more room to allow for curb damage, 3cm less wider of a tire compared to the 285's!

Last edited by csmeance; 05-12-2015 at 02:42 AM.
Old 05-13-2015, 07:26 PM
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245/40R19 on 19x9 Front and 19x10 Rear. I think it looks decent.

265/40R19 isn't a very common size, except for supercars, and therefore there are very few tires in that size.
Old 07-22-2015, 08:11 PM
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In that pict is the car lowered or stock height??
Old 07-23-2015, 05:47 AM
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Originally Posted by Pochy93
In that pict is the car lowered or stock height??
Looks like around 1.5" drop all around.

I have the factory 19"s with the H&R springs. About a 1" drop all around and there is little room between the front fender and top of the tire
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