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11-21-2011, 11:03 AM | #376 | |
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--Dan Mach V FastWRX.com
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11-22-2011, 12:44 PM | #377 |
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You know I just asked some ppl last night for advice on buying rims and I was informed that 17x8.5 is the best rim size for performance.. what do you recommend, I own a 2011 wrx
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11-22-2011, 01:06 PM | #378 |
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Hi Dan,
Kind of a unique question I suppose. I have a set of 225/45/17 blizzak lm 22's that I'm looking to run this winter. I came across an inexpensive set of 17x8.25 wheels just to run for the season. The offset is fairly low at 35mm. I'm wondering if seeing as it's a narrower tire will it clear the fender? I like the idea of the wheel being out a little bit more but not necessarily "flush". I'm lowered on Rallitek springs which I've been told are rebadged swift's. Obviously I could mount them on my oem wheels, but I'd like to keep my stock wheels/tires mounted so that it's an easy bolt on/off transisition in the spring. Last edited by slates74; 11-22-2011 at 01:29 PM. |
11-24-2011, 11:08 PM | #379 | |
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11-25-2011, 12:30 AM | #380 | |
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But since you are so dense... A 245/35, 245/40, or 255/35 would be acceptable including many more. That will not be a "flush" setup, you bought the wrong wheels for that. |
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11-26-2011, 02:10 AM | #381 | |
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Oh well, I know now. |
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11-26-2011, 03:59 AM | #382 | |
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If the wheels you are looking at are a very similar size to the sti wheels, it's pretty logical to assume they would fit. Since they fit the sti. And the wheel clearance is the exact same on both cars. |
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12-01-2011, 05:19 PM | #383 | |
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12-01-2011, 07:20 PM | #384 |
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Just wanted to post my latest wheel/tire set-up.
O.Z. F1 Cups 18x9 +46mm 255/40/15 No roll, pull. etc. Sit flush with edge when looking down from the top of the fenders front and rear. Stock suspension on my 11 Sti and no rubbing. This is with 2 people in car. |
12-04-2011, 03:39 PM | #385 |
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Alright, got my fire extinguisher ready - lets do this. After about a year of trying to decide on a wheel style I want I decided to go with (brace yourselves) Rota Torques. I know, I'd love to be cool and get the Works but its just not in my budget. I wanna go 18x9.5 on my '11 DGM Sedan. I have a couple offset options. I already know I'll have to roll the fenders and I know to go with the larger offset available. My question: With a roll, stock suspension, and slimmer (not stretched) tires - will a +35 offset work? Or will that still be too low? I know in the OP the sti's fitted with Rota's we're using +38 & +40...
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12-04-2011, 05:13 PM | #386 |
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So the consensus is that 18x9.5 et40 with your run of the mill 265/35/18 will fit on a 2011 with stock everything with no rubbing, however I think a member here who just purchased this setup (a set of Miro 111's from Imprezivhokie) has rubbing in the rear. I was considering the exact setup however do not want to roll my fenders whatsoever. Would changing to a 255/35 prevent any rubbing, or should I just investigate a shorter 265/35?
Last edited by dvrmstrng; 12-04-2011 at 09:41 PM. |
12-04-2011, 10:30 PM | #387 | ||
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The 225's should fit easily, even at +35.
Quote:
Quote:
--Dan Mach V FastWRX.com |
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12-05-2011, 07:03 AM | #388 |
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hmmm...i posted another thread in the wheel/tire section and another person with 9.5's et40 with a 265 on stock suspension said there is rubbing.
Maybe I am better off finding a wheel that looks similar with a better offset. any ideas? I like the concave face...i wish I could find a 18x8.5 et40 and do a 265/35 |
12-05-2011, 08:37 AM | #389 |
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You realize the 265 describes the width of the tread, right? It doesn't matter much what wheel width you have -- the same tread width at the same offset is going to fit the same. (The exception is that the sidewall will change a little depending on the wheel width. But we're talking 1-2mm.)
--Dan Mach V FastWRX.com |
12-05-2011, 09:00 AM | #390 |
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^^ yeah I think I meant to type something else up there.. like et45-50.
So would putting a 255/35 on a 18x9.5 et40 really prevent having to roll the fenders but the <2% change going to a 265/35 would require a roll? |
12-05-2011, 05:40 PM | #391 | |
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Sorry to disagree with ya Dan, but when I learned this it was section width, not tread width. Seems it still is... From Tirerack.com http://www.tirerack.com/tires/tirete...e.jsp?techid=7 Most modern passenger car and light truck tires feature size designations that indicate the tire's dimensions in a combination of metric, mathematical and English systems. While this unusual combination of millimeters, percentages and inches is a byproduct of the evolution of global tire specifications, it also provides the ability to calculate/estimate basic tire dimensions. Example size: 225/45R17 The first three numbers in a typical size (225/45R17) are the tire's indicated section width in millimeters, measured from sidewall to sidewall. |
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12-05-2011, 05:45 PM | #392 | |
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Quote:
--Dan Mach V FastWRX.com |
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12-05-2011, 05:48 PM | #393 | |
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If one was to look at the link I put up, you can find those #s Actual Tire Section Width is Dependent on Wheel Width All tire sizes are assigned specific rim widths upon which they are measured (measuring rim), as well as can often be mounted on slightly narrower or wider wheels (rim width range). Therefore, it is important to note that actual tire section width will depend on the wheel width the tire is mounted on. The rule of thumb is that tire section width changes by 0.2" for every 0.5" change in rim width, being reduced if mounted on narrower then measuring wheel and increased when mounted on wider wheels. Great info Dan, thanks for all your work and wisdom in this thread! |
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12-06-2011, 01:42 AM | #394 |
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i've had this thread in my favorites sidebar for a while, haha.
with OE STI 245/40 18 tire... what is the maximum mm wheel bump outward that affords a complete guarantee of NO fender contact? 1" lowering springs, stock alignment. think as if spacers were being added to the OE 18x8.5 +55 wheels... would an add'l poke of 25mm rub? thanks |
12-06-2011, 08:59 AM | #395 |
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Dan this thread is great. I see a lot of 18x9.5 questions but what about us that want a 18x8.5 on stock WRX suspension. Since a lot of after market 5x100 wheels have an offset of +45, do you think we can go with a 245/40/18 or a 255/40/18?
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12-08-2011, 12:20 AM | #396 | ||
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Quote:
Quote:
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12-08-2011, 01:24 AM | #397 | |
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i figured you might have the experience to bring some higher resolution to those sensitive 5mm in question. sorry for asking, sheesh. |
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12-08-2011, 03:59 AM | #398 | |
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Say... 20 mm spacers, that puts the face of the wheel in the same position as a 9.5" +44 (actually it will sit 2mm inset from that). That's right on the verge of rolling territory if you are lowered. Reading through the GR thread in members gallery, it appears you can safely get away with 20ish spacers, but that last 5 mm has too many variables. If you want to be safe, use 10 or 15's. When you want to try and get into the "flush" world, you'll need to play around with camber settings and stop thinking inside the box so much. Adjusting camber is very easy. Or just don't be scared of rolling. Or don't use spacers. Keep in mind if you go with 20 or 25mm spacers you will need to replace all the studs if you ever change wheels or remove the spacers. Last edited by sc00by4life; 12-08-2011 at 04:09 AM. |
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12-08-2011, 12:54 PM | #399 | |
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i'm not necessarily trying to get them flush, but i am trying to widen the track slightly with the stock BBS wheels while using the the lightest tires for the job given the power i'll be putting down, so stock STI size should be ideal. however, as you mentioned, tires vary so i think even less than 20...like 15mm would give me ample buffer across the board. i feel that OE camber settings are an ideal starting point and i would never adjust the camber to clear the fenders...and i'm not rolling the fenders. the risk is not worth it, since the "reward" is not such for me - i don't care enough about being flush or something. in fact i wouldn't even get the alignment done aggressively, period, because tire wear is a concern. i went down the rolling route with my mazda and it totally went against anything i'd normally do...and because of my particular nature, it caused a lot of hassle and heartache when the paint cracked. if this was a club race car or beater auto-x car...maybe, but not a brand new vehicle. 15mm seems like a great compromise between aesthetics and any SLIGHT handling trade-offs, which is why i think so many of the "safe" fitments fit within this range. i feel with a proper alignment and a slightly lower ride height damped properly it should be perfect for me. |
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12-08-2011, 01:02 PM | #400 |
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There will be significant handling trade offs when you use any spacer, period. The larger they are, the more pronounced it will be.
Rolling fenders is either very easy, or very cheap. There is little to no "risk" with rolling, and will be virtually indistinguishable from un rolled fenders. Tire wear has far more to do with tire pressure and toe than camber, and could be set up more ideal for performance if that's what you desire. Either way, have fun! |
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