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Discussion Starter #1
i could not find anything on this so......

i have stock rims and want to get the widest tires on them. i already have 235 40 17's and was wondering if anyone had got 245's on it. i have the car lowered with the tein s techs. a auto x'er in town got 245 but had to put a spacer on it. i dont want to rub. any help.
 

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Yeah, ditch the S-techs and go with another type of spring if you want to run bigger/wider tires on 17s. The S-Techs will be too low to fit anything bigger than the stock 215/45/r17 tire size in there, not to mention they suck for performance driving. S-Techs = style points only.... :giggle:

You may be able to pull off 225/45/r17s with S-Techs, but you may rub... 235s will more than likely be out of the question.

See here for some good info:

http://forums.clubsi.com/ubbthreads.php/ubb/showflat/Number/1152988/Main/50849/
 

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Discussion Starter #4
well i have 235's with no problems. thanks for the link
 

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GlxyGry06Si said:
well i have 235's with no problems. thanks for the link
Ah, 235/40/r17, I really need to learn to read. I was speaking of 235/45/r17. :pat: Ever Auto-x with your setup?

If you have and you didn't rub, then I stand corrected. :sadwavy:
 

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Discussion Starter #6
no but i raise mad hell and don't have a problem. i take clover leafs at 50 plus and don't have a problem.(yes i know reckless but this is not the time to criticize) they are softer tires. 200 tread wear. i would like to get a coilover setup but i have a hard time choking out at least a grand. i know it will be much much better but what i have now does the trick. do you think i could get 245 on my current setup or would i have to go to 245 35 17. would it really even make a difference?
 

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I wish I could speak from experience when comparing 235s to 245s but I can't. Would it make a noticeable difference? Maybe. 245/35/r17s will give you a stock side wall height (within .25mm), so you may be able to pull it off. Go for it! If you have the money to experiment then why not?
 

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Discussion Starter #8
bro im not made of money but i will see what i can do. i need to get new ones anyway so i will see what i can do.
 

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Discussion Starter #11
cool. what i dont want is to make it a 35 and start to make a gap between the fender and wheel. i lowered the car to eliminate this. ???
 

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Discussion Starter #13
first of all i thought stock was 215 45 17. i dont want that gap so i may just get 245 40 17 and see how that works
 

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GlxyGry06Si said:
first of all i thought stock was 215 45 17. i dont want that gap so i may just get 245 40 17 and see how that works
Yep my fault...

ok

Sidewall heights

Stock sidewall height = 96.75mm
Your current sidewall height= 94mm
245/35/r17 = 85.75mm
245/40/r17 = 98mm

You will have to be the judge if that will fit or not. Being only 4mm taller than what you have probably won't be an issue, but you must also account for your tires being wider now.
 

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Anywhere to see the difference of say a 215/45/17 tire on the same rim vs 225/235 45/17? I have a hard time understanding how those different sizes fit on the same wheel.

I want wider than my SX 215/45/17 wheels but am told spacer/adapters aren't safe. So, short of buying new rims, are there any other options?
 

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if you are running stock wheels the widest you should go is 225 45 anything wider and it is just a waste on only a 7 inch wide wheel

and if your trying to make the car stick better maybe you should be worried more about a sticky tire then a wider tire try some falken azenis's, bfg kdw's, michelin pilot sport, or if you want the ultimate get some bfg r1's, or mich pilot sport cups

if you have wider aftermarket wheels that are 7.5" wider then i would go 235/40/17 or 8" wide would fit the 245/40/17's those are going the be the sizes that keep you as close to stock diameter
 

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I ordered 225/40/18 good year eagle f1 a/s and they would not go on the HFP wheel which is an 18x7. The shop tried all day to get them to go on. I called trie rack to see what the deal was and they told me a 225 won't fit on a 7 in wide rim. I had to send them back and get 215s in a pirelli since the GYs don't come in 215.
 

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Discussion Starter #18
robinsonda1 said:
I ordered 225/40/18 good year eagle f1 a/s and they would not go on the HFP wheel which is an 18x7. The shop tried all day to get them to go on. I called trie rack to see what the deal was and they told me a 225 won't fit on a 7 in wide rim. I had to send them back and get 215s in a pirelli since the GYs don't come in 215.
uhhh thats retarded. i have 235 on my stock rims.
 

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Kid Red said:
Anywhere to see the difference of say a 215/45/17 tire on the same rim vs 225/235 45/17? I have a hard time understanding how those different sizes fit on the same wheel.

I want wider than my SX 215/45/17 wheels but am told spacer/adapters aren't safe. So, short of buying new rims, are there any other options?
Spacers don't have anything to do with tire size but rather wheel offset.

225/45/r17s will have a sidewall 5mm taller than stock and 235/45/r17s will have a sidewall 13.5mm taller than stock. To figure sidewall height take your tire width (ie 225) and multiply it by the sidewall heigh percentage (ie 45) to get sidewall height in mm.
 

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uhh well I saw it first hand and thye did a number on my rims too. I took them to 2 different shops and niether one could do it. I'm wondering if it was just those particular tires. Tire rack must be giving out wrong information.
 
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