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Old 06-11-2011, 02:32 PM   #151
nhat
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Quote:
Originally Posted by 11swpSTi
I have a 2011 STI Sedan and I am interested in getting a set of Enkei NT03+M wheels. I am looking into 18x9.5 but I am not sure what offset to get for them, +27 or +40. Also I am thinking of running a 255 or maybe a 265. Can I get away with just rolling the rear fenders? Please help. Also I will definitely be powdercoating the rims so any advice on colors? Im thinking some sort of gunmetallic color or black. Thank you.

I forgot to mention that I will be running RCE Yellows and their RCE Swaybar combo 25mm front/rear.
answered you in the other thread.
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Old 06-12-2011, 12:16 PM   #152
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Thanks for the help! I appreciate it.
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Old 06-13-2011, 12:38 AM   #153
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Quote:
Originally Posted by 11swpSTi View Post
Thanks for the help! I appreciate it.
posting to remove email notification
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Old 06-20-2011, 05:02 PM   #154
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Awesome thread, shouldn't this be a sticky or at least attached to the fitment thread already up there?
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Old 06-21-2011, 06:43 PM   #155
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Hi,

I'm getting some grids, 18x9.5 +38. I'm just down to deciding between the 255/35R18's and the 255/40R18's in the hankook ventus v12 evo k110's. I haven't seen the 255/40R18's talked about much here. Any reason why the 35 aspect ratio tires are more popular?

The 40's are about $15 cheaper per tire...do you think that will rub on the 2011 wrx sedan? They're about 26 mm taller than the 35's.

Thanks!
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Old 06-21-2011, 07:33 PM   #156
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Quote:
Originally Posted by chris scott
Hi,

I'm getting some grids, 18x9.5 +38. I'm just down to deciding between the 255/35R18's and the 255/40R18's in the hankook ventus v12 evo k110's. I haven't seen the 255/40R18's talked about much here. Any reason why the 35 aspect ratio tires are more popular?

The 40's are about $15 cheaper per tire...do you think that will rub on the 2011 wrx sedan? They're about 26 mm taller than the 35's.

Thanks!
www.miata.net/garage/tirecalc.html

compare the 2 sizes you listed with the oem tire size and you'll get a basic understanding of why 255/40/18 isn't a popular size for the impreza.
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Old 06-21-2011, 09:48 PM   #157
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so is it because it goes over the 2% rule, and is therefore too different for the speedometer/odometer?
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Old 06-21-2011, 10:07 PM   #158
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Quote:
Originally Posted by chris scott
so is it because it goes over the 2% rule, and is therefore too different for the speedometer/odometer?
no it has nothing to do with the speedo/odo. a 255/40/18 is 26" in diameter, it'll be difficult to fit without rubbing on an impreza body.
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Old 06-22-2011, 10:45 AM   #159
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Quote:
Originally Posted by chris scott View Post
Hi,

I'm getting some grids, 18x9.5 +38. I'm just down to deciding between the 255/35R18's and the 255/40R18's in the hankook ventus v12 evo k110's. I haven't seen the 255/40R18's talked about much here. Any reason why the 35 aspect ratio tires are more popular?
Thanks!
I got /35s to keep my diameter smaller than the OEM tires (actually got 265/35R18s so they are right about the same diameter as OEM). If I had bought 235s on 18s, I would have gotten /40s.

Going with a smaller diameter gives you a lower effective gear ratio for better performance. It shouldn't make all that much difference between a /35 and /40 in the same width but my personal rule of thumb is never go with a larger diameter or weight than the original wheels and every little bit adds up either for or against you as you make incremental mods on your car.

Smaller diameter than original also keeps your speedometer from reading too slow. I tend to drive a little fast so I would much rather have a speedo that reads 65 when I'm actually doing 63 or 64 than one that reads 65 when I'm actually doing 66 or 67.

Last edited by dmk0210; 06-22-2011 at 10:53 AM.
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Old 06-22-2011, 11:47 AM   #160
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Quote:
Originally Posted by dmk0210
It shouldn't make all that much difference between a /35 and /40 in the same width
have you compared a 255/35/18 and 255/40/18? or 265/35/18 and 265/40/18?

a 1" difference is a huge.
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Old 06-22-2011, 08:50 PM   #161
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Quote:
Originally Posted by nhat View Post
have you compared a 255/35/18 and 255/40/18? or 265/35/18 and 265/40/18?

a 1" difference is a huge.
Yea, it is a pretty good difference I guess. 4%
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Old 06-22-2011, 09:55 PM   #162
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Quote:
Originally Posted by dmk0210
Yea, it is a pretty good difference I guess. 4%
stop thinking about speedo difference and start thinking 1" or 25mm in terms of clearance.

it's the difference between rubbing and not rubbing.
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Old 06-24-2011, 11:28 AM   #163
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So I'm still a dunce when it comes to offset. I've used the calculators and everything, but I still have a question. My old beater wheels from my STi are 17x7.5 +45 offset w 225 series winter tires. Should I be concerned about using those as my winter wheels on my '11 wrx or will those work fine?
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Old 06-24-2011, 11:52 AM   #164
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Quote:
Originally Posted by Ying
So I'm still a dunce when it comes to offset. I've used the calculators and everything, but I still have a question. My old beater wheels from my STi are 17x7.5 +45 offset w 225 series winter tires. Should I be concerned about using those as my winter wheels on my '11 wrx or will those work fine?
they'll work fine as long as they are 5x100
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Old 06-24-2011, 12:15 PM   #165
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Thanks yes they are. They were for my old 04 STi.
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Old 06-28-2011, 11:12 PM   #166
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hello, just wanted to check. planning to have 17x8 with +48 offset...what's the widest tire i can go with...will 245/45/17 have no rubbing issues? how about 255/40? this is for a 11 WRX sedan, by the way....thanks!

Last edited by petiks; 06-28-2011 at 11:24 PM.
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Old 06-28-2011, 11:24 PM   #167
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245/45/17 would fit but 245/40/17 is more ideal. 255/40/17 is too wide for an 8" wheel.
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Old 06-28-2011, 11:36 PM   #168
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i run 245-45-17 nitto nt01's on 17x8 47mm offset.. no issues at all.... autox/track tire.
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Old 06-29-2011, 07:22 AM   #169
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Are there any 18" wheels that won't make the WRX brakes look tiny in profile? Enkei RPF1 perhaps, with that lip that runs around the inner circumference of the wheel? Volk ce28/Rota DPT?
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Old 06-29-2011, 08:49 AM   #170
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If you are willing to get a Volk, then get bigger brakes...
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Old 06-29-2011, 09:06 AM   #171
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Quote:
Originally Posted by arf80
Are there any 18" wheels that won't make the WRX brakes look tiny in profile? Enkei RPF1 perhaps, with that lip that runs around the inner circumference of the wheel? Volk ce28/Rota DPT?
CCWs or linea corse would because of how the face bolts to the barrel.
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Old 06-29-2011, 03:04 PM   #172
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I'm planning on running the Enkei RPF1 18"x9.5" (+38 offset) on my 2011 WRX 5Dr. Any recommendations for Dunlop Direzza Star Spec tires? 2##/##/18 ? I currently still am on stock suspensions, but will be on KW or Mann Engineering coilovers in the near future. (believe I will have to roll the rear fenders a little bit)
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Old 06-29-2011, 03:15 PM   #173
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^265-35 is pretty much the norm in this thread, 255 or 275 could work too
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Old 06-29-2011, 03:45 PM   #174
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if you care about speedo accuracy, 245/40/18 or 265/35/18.

if you want gearing advantage, 255/35/18.
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Old 06-29-2011, 05:00 PM   #175
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More importantly, where are you getting an 18x9.5 RPF1 in 5x100?

Edit: found the group buy
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