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How wide can a 225 go?

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Old 11-22-2012, 02:57 AM
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When I contacted Nitto about my 205 50 15 NT01's they said that I can mount them on up to 9 and a half inch wide rims with no problems. All tires have different limits though.

I have seen drifters in San Francisco runing 155/55/15's on15_8's. 175_55_15,'s on 15_9's.
On the street and the track.(Infinion raceway) By the way they were cheap *** pos street tires. It was a shop that only worked on drift miatas. The broken down white miata out front has JIC Majic shocks on it. Lowest miata I've ever seen.
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Old 11-22-2012, 09:37 AM
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Originally Posted by brainzata
Rise from the dead!

Figured I'd help people out who are interested in 15x10 6ul's for street/weekend cars.



Good enough for me!
This is relevant to my interests, do you have some more pics :P?
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Old 11-22-2012, 06:31 PM
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Attached Thumbnails How wide can a 225 go?-45d7e769-5d31-4c16-b65b-ca0a08e55b1f-9788-0000098b648850bb.jpg   How wide can a 225 go?-99178116-d6de-4015-ae32-6c1643659c39-9788-0000098b6d804858.jpg   How wide can a 225 go?-1a9aa5bf-4664-441e-b3bc-f06db6bf7eb8-9788-0000098b76ad240c.jpg  
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Old 11-22-2012, 06:37 PM
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Those look fine they have a little stretch but nothing insane
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Old 11-22-2012, 07:32 PM
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That's just great, I know many on this board will hate it though :P.
I wonder... will they fit rolled/pulled fenders + have enough room for a BBK?
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Old 11-22-2012, 07:59 PM
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They fit my 11" wilwood Kit with 4 piston dynapro's. Since the outer edge is equivalent to a 15x8 et0 there isn't much difference of this setup than my old 15x8 et0 xxr w/ Hankook 225/45 rs3' mostly rolled/pulled. My alignment during that setup was the icehawk I believe, pinchweld at front was 4 3/8" I think. Tein flex stock springs, rb tubular, it rarely made contact. New car, new suspension, same alignment basically. I will be rolling the fenders in the next couple weeks and will post pictures etc. I do plan to cut my fender at the body line which will allow a more flat roll, more room at trailing end of wheel well.
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Old 11-22-2012, 08:21 PM
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I guess they could use a small spacer to clear the suspension on the inside.
They sure poke a lot less than 225/45 on a 8" +0 wheel, so I guess fitting them will be doable even with a small spacer :P.
How much room is there between the spokes and the Dynalite caliper, my calipers are a bit fatter than the Wilwoods.
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Old 11-22-2012, 11:30 PM
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You shouldn't need a spacer, besides that would cause you to have even less clearance & change the intended offset. I'm not sure on caliper clearance don't remember them being close. These wheels specifically state bbk fitment on 949's site I'd assume they would fit. I have seen slicks on these with stock rolled fenders, you need about a 25mm of a roll/pull.
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Old 11-23-2012, 12:21 AM
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That's pretty legit but still reaffirms my decision on 15x9's instead of 15x10. Personally didn't want to deal with cutting the fenders more than cost / difficulty of tire fitment. Nice to see 225's don't look that terrible on 10's.

For the record in case anyone searches; 15x9 6UL w/Hankook R-S3 225/45ZR15..







Functionally speaking, I believe the car is probably too low. Slight rub on fenders with only me driving in hard corners, however mostly rubs under bumps. With a 140# passenger they rub a lot worse. Simple fender roll should resolve all rubbing. They're amazing.
Attached Thumbnails How wide can a 225 go?-%25255bunset%25255d.jpg   How wide can a 225 go?-imagejpeg_2_16.jpg   How wide can a 225 go?-%25255bunset%25255d%5B1%5D.jpg   How wide can a 225 go?-%25255bunset%25255d.jpg  
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Old 11-23-2012, 01:41 PM
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So does anyone have pictures of 205 50 fifteens on 15 by 9's.

I think this would look and work great on the street and the track. Really stiff sidewall could air down nicely.

To many people go to wide on the tire. The miata only weighs so much so only so much tire well touch the ground. You just change what part of the tred touches the pavement. With allot of negative camber and too wide of tires you well get a bad contact patch and poor wear and life out of tires. Depending on the way car is used also. Track only street only ect...
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Old 11-23-2012, 04:39 PM
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205 on a 9 is pointless when a 225 fits better, performs better, & not much of a weight difference, choose lighter wheels if you care about rotating weight. If you want grip than it is not practical, but if you want flushness then go for it.
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Old 11-23-2012, 09:44 PM
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Hey Alex
Reread my last post. I want pictures. I am obviously not talking about unsprung weight. Because of the weight of the car only so much tire is usable. Right now i only need 205's.

My fenders are so stretched I'm almost positive I can run 225's on 9's already. If i decide to run 225's I'll probably run them on 10's. I have one set of proto type rims that cost over $5000 so i know my rims. I don't have that much horsepower to need 225's yet. I like having fun on the street and i like the quality and cost of 205.s. I also like every aspect of tire stretch. I can almost guarantee I have more race rubber then you. At least five sets.

I have been working on race cars longer then you've been alive kid. Not everybody has a v8 or wants one in their miata..

I am old school take a class kid.
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Old 11-23-2012, 11:06 PM
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Originally Posted by old school
Hey Alex
Reread my last post. I want pictures. I am obviously not talking about unsprung weight. Because of the weight of the car only so much tire is usable. Right now i only need 205's.

My fenders are so stretched I'm almost positive I can run 225's on 9's already. If i decide to run 225's I'll probably run them on 10's. I have one set of proto type rims that cost over $5000 so i know my rims. I don't have that much horsepower to need 225's yet. I like having fun on the street and i like the quality and cost of 205.s. I also like every aspect of tire stretch. I can almost guarantee I have more race rubber then you. At least five sets.

I have been working on race cars longer then you've been alive kid. Not everybody has a v8 or wants one in their miata..

I am old school take a class kid.
Here is a 205/45r15 on a 15x9.... Could not find a picture or video of a 205/50

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Old 11-24-2012, 06:21 PM
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You sound like an idiot. Keep your d*** in your pants, I didn't say anything about being more experienced. You are old school for sure.
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Old 11-24-2012, 07:16 PM
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I have 205/50s on 15x9. can post pics on Monday... Left the car at work.
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Old 11-24-2012, 11:10 PM
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Yes the 225 45 15 fits better on 15 by 9.s ,and i well put those on my car at some point but thats not the point. The 205,s are very jdm and work great and are cheaper.

225,s are pretty much just for the track or for looks or people who have alot of horsepower. I have about 100 hp now with bolt ons on stock old engine. Looking to replace motor and turbo it, but it is a daily driver.

Have had victoracer 235 45 13,s on 13 by 6,s . Worked ,car was lower on them. Changes gearing alittle bit. Was fun and still have them.

Sorry about being a real d,,k to you.
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Old 11-25-2012, 12:04 AM
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Originally Posted by old school
225,s are pretty much just for the track or for looks or people who have alot of horsepower. I have about 100 hp now with bolt ons on stock old engine. Looking to replace motor and turbo it, but it is a daily driver.
225s make sense on anything with more than ~115whp IMO. I've tested 205s and 225s back to back (both on 9s) on a 120whp car and the 225s were ~1sec faster on a 2 minute track. The only reason to run 205s is if you are limited by class.
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Old 11-26-2012, 10:10 PM
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I have over 238k miles on the stock short snout 1.6 engine with a header and exhaust and drop in K&N filter. To be honest I'm lucky if i get 90 hp. I feel most people with a stock 1.6 are in the same condition.

On top of that i have added a 95 type M quaife with 410 gears instead the 430 gears with an open differential. Making it harder to spin up the tires. Have 99 pss Bilstien shock set up and inch and one eighth RB front bar no rear sway bar. Some bracing, a custom upper shock brace i made that is scca legal. Ect...

At this time the 205,s are my best option without a power adder.

Sense I drive it on the street every day, the benefits of the exceleration outway the potential benefits of 225,s. Not currently taking the car to thunder hill.

In autocross the car won ospu (basically like ssm2) and the over all championship for our club . Competing against alot of fat cat and tien set up money no object cars that are on hosiers.
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Old 11-26-2012, 11:53 PM
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Wow. I felt like my bone-stock-from-the-ground-up '97 was limited by the engine, not the suspension!!
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