17x8 +45mm rubbing issues?

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Old 06-29-2008 | 10:30 PM
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17x8 +45mm rubbing issues?

Hey guys,

I put some 17x8 Enkei RPF-1s on my TSX with a 45mm offset and a 235mm Falken FK-452, and I have some awful rubbing on bumps as the wheel/tire is pretty much perfectly flush with the fenders. It's pretty much said this would fit, which probably makes my car too low:



I'm not sure what to say otherwise, but I'm wondering if Edge Racing sold me +35mm offset instead, as a 17x8 5x114.3 +45mm isn't even listed on Enkei's own site. Is there any way to double check this? I couldn't find the offset anywhere on the wheel and the invoice said the offset was 45mm.
Old 06-29-2008 | 11:40 PM
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maybe u can call enkei's customer service to find out where the offset is located. fyi, i'm running 19x8.5 +45mm lowered on eibach pro-kit. no rubbing issues
Old 06-30-2008 | 12:45 AM
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You probably should've gone with 225-45-17... check the stamp on the inside of the wheel to see what the specs are. That'll tell you whether or not you have a +45 or +35 offset.
Old 06-30-2008 | 03:52 AM
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Originally Posted by amadeus303
You probably should've gone with 225-45-17... check the stamp on the inside of the wheel to see what the specs are. That'll tell you whether or not you have a +45 or +35 offset.
Yeah, I did and didn't see an offset stamp. I'll pull one tomorrow when I raise the coilovers.
Old 06-30-2008 | 05:55 AM
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whats the drop with eilbach pro kit? I was looking at the same size tire and rim for my 05 with the A Spec.
Old 06-30-2008 | 01:54 PM
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What coilovers do you have?
Old 06-30-2008 | 03:42 PM
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Originally Posted by Tsx536
What coilovers do you have?
Skunk2 Pro-S. Pretty heavy spring rate.
Old 07-04-2008 | 09:26 PM
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Check the inside of the wheel. They are all stamped with the offset. Sometimes wheels get misboxed !
Old 07-06-2008 | 01:37 AM
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Originally Posted by Passat774
Check the inside of the wheel. They are all stamped with the offset. Sometimes wheels get misboxed !
I'm out of town, but I checked before I left and they are +45mm offset, according to the stamp (which is really faint.) I would like to say that this combination does not properly fit and I wouldn't recommend it.

Do note that I'm not running negative camber, though.
Old 07-06-2008 | 09:07 AM
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Originally Posted by Populuxe
I'm out of town, but I checked before I left and they are +45mm offset, according to the stamp (which is really faint.) I would like to say that this combination does not properly fit and I wouldn't recommend it.

Do note that I'm not running negative camber, though.
The wheels fit fine, but if you had bothered to do your research before you purchased, you would have known that running a 235 wide tire would note be recommended on that wheel setup with such an extreme drop. A mile drop would have allowed you to run the 235 without issue, but for maximum clearance on a much more lowered car, the 225 is the recommended tire width.
Old 07-06-2008 | 12:40 PM
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Originally Posted by CGTSX2004
The wheels fit fine, but if you had bothered to do your research before you purchased, you would have known that running a 235 wide tire would note be recommended on that wheel setup with such an extreme drop. A mile drop would have allowed you to run the 235 without issue, but for maximum clearance on a much more lowered car, the 225 is the recommended tire width.
This forum loves to jump all over people and say they haven't done their research, but this is one case where there is a ton of evidence and talk to the contrary and no threads I found when searching said that the clearance would be a serious concern. I spent quite a few weeks searching here and "the other forum" to figure out what people were running.


Using the big FAQ at the top of the page, right in the first post, which is supposed to be the "Master Guide":

Ideally, keep the offset higher than 42mm and you'll be ok. Several members are running 8" wide wheels with 235mm wide tires at 42mm offset and don't have any trouble with rubbing, even when lowered.
Well okay, shouldn't have a problem then. I'm lowered. I'm not doing anything that crazy and tucking the tires.

Anything bigger than a +/-2% difference is considered a mismatch and should be avoided if possible. Speedometer, odometer, and VSA/ABS systems can be affected by mismatched tire sizes.
235/45-17 .....4.2in .......12.7in ....25.3in ......79.6in ..............796 ..........-0.5%
According to the reference guide here, the closest thing we should be trying to get at with that tire width is 235/45/17, as it's "less of" a mismatch diameter-wise than 225/45/17 which is on the lower bound of the recommended diameter range. Also, common posts here state hat 235mm is the "correct" size for an 8" wheel, 225 for a 7.5", 215 for a 7" with the ability to go +/- 1 in one direction without any terrible issues.

If our master guide is wrong, then that should be edited, not someone told to redo their research. We should be able to rely on public, stickied information to be the truthful sources here. I've also searched, and I've also read just about every post to come through here on this stuff over the last few months, watching people with 19x8.5 or whatever else with +45 or +48mm offset say it works fine. Very few people have experienced issues. Using a wheel offset calculator and a caliper, the clearance given seemed to be fine as well when I checked myself, although I'll admit that then it was a tight fit.


To check for wheel-specific discrepancies, I started to find other guys running the same wheel at the same offset.

That aside, over at the other place there's some guy running 17x9 at 245mm wide in the rear on an Enkei RPF-1 at 45mm offset:

http://www. tsx club .com/forums/showthread.php?p=348129

He even said he had no rubbing issues. Of course, he's only on Tanabe springs.

CCColtsicehockey used to have a thread on 17" Enkei RPF1s that he was selling because he didn't like the way they looked, but I can't seem to find that thread, either. There's a fair amount of even specific research where people said yeah, this should work. I'm saying it doesn't work well given my current setup and that's all, that way people don't end up with more work than they had expected. I'm going to raise the suspension back to something a little OEM-like, and then see if the rubbing issues discontinue, but I'm not sure if they will under hard cornering. I still think there's a good chance I will have to roll the fenders.


It's a fine common excuse around here to tell people they haven't searched when something doesn't go right, but I'm not sure if it's possible define fit as something that does not maintain similar-to-stock well clearance (i.e., does not rub on the fender lining or on inboard suspension components.) Perhaps the sticky should be revised to say something about specific ride height, or the maximum recommended size without negative camber and a larger drop to be 225mm wide or a 7.5" wide wheel.
Old 07-07-2008 | 04:58 PM
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I'm glad you figured out the offset.

Before I sold my 17x8 +35 rpf1s off my RSX (235/40r17), I mounted them on my TSX (stock in every way, lol) and they were 'overflush' with the fender. I'm sure if I had lowered it and ran 225's with a good amount of negative camber, they would have fit under the fender.

My suggestion would be to do a combination of fender rolling and running some negative camber. Or if you want to save some cash, go for the negative camber only.

if you had a better picture of where the tire sits in relation to the fender, I could probably provide you with a starting point for how many negative degrees of camber you would need.


Noticed your from Palo Alto, CA. I'll have to check out your ride sometime.

Good luck with whatever you decide to persue
Old 05-27-2009 | 08:42 AM
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Reviving this thread to ask Populuxe if he ever solved this and how? I am running 235 series FK-452s also on a 7.5" rim with Comptech/Koni suspension setup and I am getting occasional rubbing in the front. Any suggestions for that?
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