# 225's On a 7" Wide Rim?

**URL:** <https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692>\
**Category:** SON240sx Automotive\
**Created:** [March 10, 2004, 9:32pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692 "2004-03-10T21:32:20Z")\
**Posts on this page:** 15\
**Page:** 1

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**Author:** ![RD\_Man](https://avatars.discourse-cdn.com/v4/letter/r/a88e4f/32.png) [@RD\_Man](https://forums.speedlife.net/u/RD_Man)\
**Post date:** [March 10, 2004, 9:32pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/1 "2004-03-10T21:32:20Z")

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My wheels are 17x7 and have tires that are 205’s.  
Could I safely go to a 225 tire or is that out of the question?

- Thanks

- Edited by SHIFT\_SR20DET

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**Author:** ![oshiet](https://avatars.discourse-cdn.com/v4/letter/o/6bbea6/32.png) [@oshiet](https://forums.speedlife.net/u/oshiet)\
**Post date:** [March 10, 2004, 11:43pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/2 "2004-03-10T23:43:11Z")

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225 should be fine with a 7" width wheel. There might be a lot of sidewall bulge though.

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**Author:** ![SHIFT\_KA24DET](https://avatars.discourse-cdn.com/v4/letter/s/b9bd4f/32.png) [@SHIFT\_KA24DET](https://forums.speedlife.net/u/SHIFT_KA24DET)\
**Post date:** [March 11, 2004, 9:57am UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/3 "2004-03-11T09:57:33Z")

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225 is the max I’d go, stick with 215’s though.

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**Author:** ![Dtown240](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/dtown240/32/5482_2.png) [@Dtown240](https://forums.speedlife.net/u/Dtown240)\
**Post date:** [March 11, 2004, 10:09am UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/4 "2004-03-11T10:09:41Z")

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please be more descriptive with your Subject lines… thank you

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**Author:** ![RD\_Man](https://avatars.discourse-cdn.com/v4/letter/r/a88e4f/32.png) [@RD\_Man](https://forums.speedlife.net/u/RD_Man)\
**Post date:** [March 11, 2004, 1:03pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/5 "2004-03-11T13:03:36Z")

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thanks and sorry about the subject

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**Author:** ![enyaw](https://avatars.discourse-cdn.com/v4/letter/e/a8b319/32.png) [@enyaw](https://forums.speedlife.net/u/enyaw)\
**Post date:** [March 11, 2004, 1:20pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/6 "2004-03-11T13:20:39Z")

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i have 16x7’s… running 225/50/16’s…

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**Author:** ![pearlS13](https://avatars.discourse-cdn.com/v4/letter/p/e68b1a/32.png) [@pearlS13](https://forums.speedlife.net/u/pearlS13)\
**Post date:** [March 11, 2004, 4:07pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/7 "2004-03-11T16:07:12Z")

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Is anyone here running a 215 on their 7 spokes?  
If so, does the sidewall bulge out alot?

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**Author:** ![Titan](https://avatars.discourse-cdn.com/v4/letter/t/7ba0ec/32.png) [@Titan](https://forums.speedlife.net/u/Titan)\
**Post date:** [March 11, 2004, 5:15pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/8 "2004-03-11T17:15:44Z")

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Bah, I have 17x7 rims and I run 215/45’s in the front and 235/40’s in the rear. No probs.

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**Author:** ![sidewayssilvias14](https://avatars.discourse-cdn.com/v4/letter/s/76d3ee/32.png) [@sidewayssilvias14](https://forums.speedlife.net/u/sidewayssilvias14)\
**Post date:** [March 11, 2004, 6:59pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/9 "2004-03-11T18:59:51Z")

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235’s on a 7" wide rim is just wrong. You’re just throwing your money away. There’s no advantage in performance or even looks for that matter.

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**Author:** ![Dtown240](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/dtown240/32/5482_2.png) [@Dtown240](https://forums.speedlife.net/u/Dtown240)\
**Post date:** [March 11, 2004, 7:34pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/10 "2004-03-11T19:34:34Z")

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Lets do some math

225mm = 8.070866inches

you can put these on a rime that is (give or take) UP TO 1.5 inches narrower or wider than this measurment. (also depending on the aspect ratio of the tires)

225’s on a 16x6.5 inch rim QUITE a bit of sidewall flex, but keep a CLOSE eye on your tire pressure.  
225’s on a 17x7 has less sidewall issue, and provides a more flush fitment. you could put these on up to a 17x9.5 (although that would REALLY make your sidewall not want to flex at all… you will bend the rim, no doubt… first pothole you hit means you’re getting a new rim.)

MY General rule of thumb  
205’s belong on 6.5  
215’s belong on 7  
225 on 7.5  
235 on no less than 8 wide rim

these are not cold, hard rules… application as well as style go into choosing a rim and tire combo. please, choose wisely so as not to affect the safety of yourself or OTHERS (ie, ME)

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**Author:** ![SHIFT\_KA24DET](https://avatars.discourse-cdn.com/v4/letter/s/b9bd4f/32.png) [@SHIFT\_KA24DET](https://forums.speedlife.net/u/SHIFT_KA24DET)\
**Post date:** [March 11, 2004, 7:58pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/11 "2004-03-11T19:58:17Z")

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> [@pearlS13](#):
>
> Is anyone here running a 215 on their 7 spokes?  
> If so, does the sidewall bulge out alot?

I did last year the bulge wasn’t bad actually but if you plan to drive  
your car hard or track it I don’t recommend you trying it, there just  
is way too much sidewall play and way too sloppy.

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**Author:** ![jonathan](https://avatars.discourse-cdn.com/v4/letter/j/aeb1de/32.png) [@jonathan](https://forums.speedlife.net/u/jonathan)\
**Post date:** [March 12, 2004, 11:50am UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/12 "2004-03-12T11:50:08Z")

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i always put 215’s on my 7.5 and its perfectly flush, not bulged nor stretched.

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**Author:** ![boMex](https://avatars.discourse-cdn.com/v4/letter/b/7bcc69/32.png) [@boMex](https://forums.speedlife.net/u/boMex)\
**Post date:** [March 12, 2004, 2:57pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/13 "2004-03-12T14:57:07Z")

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I would say the quality of the tire is what matters most. The 205 Azenis my car ran with last year had superior grip to the 235’s I have on the car now. If your looking for maximum grip and performance and don’t want to destroy your wallet go with a smaller stickier tire rather than a wider “cooler” looking one.

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**Author:** ![Sm0ke](https://avatars.discourse-cdn.com/v4/letter/s/ce7236/32.png) [@Sm0ke](https://forums.speedlife.net/u/Sm0ke)\
**Post date:** [March 12, 2004, 4:48pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/14 "2004-03-12T16:48:24Z")

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^^^ Absolutely!!!

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<div class="post-metadata">

**Author:** ![Titan](https://avatars.discourse-cdn.com/v4/letter/t/7ba0ec/32.png) [@Titan](https://forums.speedlife.net/u/Titan)\
**Post date:** [March 13, 2004, 5:47pm UTC](https://forums.speedlife.net/t/225s-on-a-7-wide-rim/80692/15 "2004-03-13T17:47:21Z")

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> [@sidewayssilvias14](#):
>
> 235’s on a 7" wide rim is just wrong. You’re just throwing your money away. There’s no advantage in performance or even looks for that matter.

I didn’t get them because I wanted an advantage in performance or looks. I got them because I couldn’t find any used 215/45’s, so I got used 235/40’s for $38 a pop.
