235/40/17 or 225/45/17 - Nissan 240SX Forums
S13 240SX (89-94) Technical Questions Specifically for ALL S13's. (Including 180SX's, 200SX's & Silvia's)

 
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#1 Old 04-22-2010, 09:07 AM
 
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235/40/17 or 225/45/17

So its been really hard trying to get an answer for this question, no one is reading my posts!
Okay so i'm lowered on tenzo springs and just have KYB struts/shocks. I'm not slammed but its lowered. I'm looking at Rota P45R 17x9.5 or 17x9 rims with a 12mm offset. I don't want to roll my fenders or pull them. I researched and the 235/40/17 is more close to stock tire than the 225/45/17 is. Will this fit? They also make 17x9+25 and 17x9.5 +30. I want to have the concave of the wheel and i am thinking that it is less concave on the 25mm and 30mm offsets? Is that true? Any input would be great, thanks!
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#2 Old 04-22-2010, 11:47 AM
 
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The higher the number the less concave it will be. As far as not wanting to roll your fenders I don't see why but alright. And pics of how low you are would help to let us see. If you can fit the bigger tire and have the power to use it then go for it, people only normally go for smalle tire so try can fit wheels perfect or if they don have the power to push a bigger tire but if you don't want to roll your fenders I'm pretty sure your not looking for perfect wheel fitment
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#3 Old 04-22-2010, 07:51 PM
 
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you will most probably have to roll fenders with a 12 offset 9 or 9.5 wheel. I had a 9" +35 offset with 235's and I had to roll the fenders.
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#4 Old 04-22-2010, 10:45 PM
 
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Well how low were you Joel? I'm not slammed at all. I can't roll my fenders because of the recent body work to the passenger side quarter. There is bondo and body filler in it and i just dont want it to crack.
Heres some pics though so you can get an idea. I'm ordering tires tomorrow because i got a good deal so stop me if its a bad idea. They are 225/45/17 Hankook Ventus V12 EVO K110.



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#5 Old 04-22-2010, 11:57 PM
 
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Google Image Result for http://www.rtmmag.com/main/UserFiles/Image/products/size17/17X9%20white.jpg
I wish I could find out a way to get these but its some foreign website... I will go with the sports bronze if I cant find them in white
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#6 Old 04-23-2010, 02:07 AM
 
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Originally Posted by BLUE.s13 Last Post
Google Image Result for http://www.rtmmag.com/main/UserFiles/Image/products/size17/17X9%20white.jpg
I wish I could find out a way to get these but its some foreign website... I will go with the sports bronze if I cant find them in white
if you want them in white then keep looking and be patient. if you buy something you really dont want then youll just regret it and your car wont be what you want. if i was you id wait for the white ones. another thing you can do id buy the bronze ones and get them powder coated! i
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#7 Old 04-23-2010, 08:54 AM
 
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Yeah I may just have to powdercoat them. I may like the sports bronze when I see them in person.
The metallic blue lug nuts I want would be a sick combo
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#8 Old 04-25-2010, 06:44 PM
 
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As far as stock sizing goes...a 245/40/17 is .2 mph off at 100mph from stock size...aka exactly the same ratio... If it matters to you...a 9" wheel @ +35 IIRC is the size closest to stock fitment-wise...as close as you can get with a much bigger wheel. It's been a while since I calculated everything so I'm going by memory but that might help everyone out some.

PS: I never took into consideration lowering...I just did the math based off the stock size to a 17" size...it probably won't work on a lowered car I dk, just a little math advice.
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