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17x9.5 Can someone level with me?

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Old Aug 20, 2007, 12:48 PM
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17x9.5 Can someone level with me?

I am in search of information about the 17x9.5 wheels. My biggest concern is tire rub. I am fine with rolling my fenders, but I DO NOT want any rub on the inside liner, or the inside fender,through a high speed turn. Is this possible, or is this a pipe dream. My second thought was about camber and tire wear. Is this compromised? If so, by how much? Thank you for sharing your intellectual property, the more the better.
Old Aug 20, 2007, 12:56 PM
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the more negative camber, the more tire wear. Most people say tire wear has to do with caster but camber plays a major role.

You can fit a 9.5" rim under the evo, it just depends on offset and rim and your tire choice.

Why do you need a 9.5" width rim?
Old Aug 20, 2007, 01:00 PM
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You need to share more info. What size tire and offset are you planning on running? You'll get significant wear on a daily driver with anything over -2.5 camber
Old Aug 20, 2007, 01:21 PM
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Originally Posted by Cali2MDevo8
the more negative camber, the more tire wear. Most people say tire wear has to do with caster but camber plays a major role.

You can fit a 9.5" rim under the evo, it just depends on offset and rim and your tire choice.

Why do you need a 9.5" width rim?
I'm thinking a 9.5 because I was hoping to run a 275/30or35/17. I guess the next question I should ask is," Can I run a 275 under the Evo?" Will I achieve more traction with a 275 or a 255(9.0)? I'm not too worried about rotational mass from the extra .5 and 20mm on the tire right now. I'm really looking for facts. If its not a good idea that's okay too, I just want to make an educated decision.
Old Aug 20, 2007, 01:26 PM
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i am pretty sure most people runing 275 width go 18x9.5 and seems to involve at least pulling the rears. with that being said i run 17x9.5 -2.0 degrees camber up front and my tires are wearing fine (255.40.17 advan neovas). my question to you is what are your plans with the car that you need 275s.
Old Aug 20, 2007, 01:37 PM
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Originally Posted by jjm4life
i am pretty sure most people runing 275 width go 18x9.5 and seems to involve at least pulling the rears. with that being said i run 17x9.5 -2.0 degrees camber up front and my tires are wearing fine (255.40.17 advan neovas). my question to you is what are your plans with the car that you need 275s.
Road Race at Sebring every now and again, I would like to venture on to other tracks. I'd like to use them on the street with a harder compound tire as I see fit. I was entertaining the idea of RE30's, I am sot sure on the offset, although I know its not a 35 offset. probably like 19 or so.

Last edited by SWOLN; Aug 20, 2007 at 03:33 PM.
Old Aug 20, 2007, 07:37 PM
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being far from an expert, i think 275 is a lot of tire for your needs. im sure more informed people will chime in with their advice. youre really going to need to go into detial about your plans for the suspension ect if you want a real answer about whats going to work for you.
Old Aug 20, 2007, 07:53 PM
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I haven't seen anything in a 275/30/17 or a 275/35/17. The problem with a 275/40/17 is the tire starts becoming "tall" - the rubbing on the inner liner is a combination of an increase in height as well as the increased width. I ran these on a 17x9+35 and had some rubbing on the inner fender liner. I could not move the tire further into the wheel well (it had a 5mm spacer) due to the adjustment perch of the coilover.

I do like the 265/35/18 - seems like it is being made in some r-compounds as well (along with the 285/30/18 the big dogs use - this is made possible since it has a shorter overall height). I really would love to try a 265/35/18 BFG R1 on an 18x9.5" tire.
Old Aug 20, 2007, 07:57 PM
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im pretty sure you'll need coilovers because the tires on my 255/40's on 9 inch rims are pretty damn close to rubbing on the front shocks
Old Aug 20, 2007, 08:11 PM
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Originally Posted by SilverEvo8owner
im pretty sure you'll need coilovers because the tires on my 255/40's on 9 inch rims are pretty damn close to rubbing on the front shocks
Highly dependant on offset. Yours must be crazy low because I just test fitted my 18x9.5s +38 with 275/35R18s and I had plenty of clearance on the stock struts.

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Old Aug 20, 2007, 08:16 PM
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this guy is running a 17x9.5 +38 set up with front spacers, no fender roll and 245's (due to Scca classing). no rubbing issues...

SS RX7 r2 hope you don't mind me posting pics of your ride...



https://www.evolutionm.net/forums/sh...d.php?t=174243

Last edited by freeride; Sep 2, 2007 at 08:17 PM.
Old Aug 21, 2007, 03:50 AM
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well you will have to run low offset on 9.5 rim to push the rim outside, and then use camber to bring the top of the wheel inside . As an example, I have Robispec coilovers. 3/4" drop in the front and 1/2" in the back. I did AutoX on 2 sets of wheels with the same size of tires. My setup was RG2 17x9.5 +25 with 255x40x17 NTO1s, then I borrowed my friends Stock 03 Evo 8 wheels with 255x40x17 RA1s, I think they are 17x8 +38 ?.

In the front, running 17x9.5 RG2s, I BARELY rubbed the inner liner around the area right above where you would have mudflaps installed. However I rubbed the front fender, probably 3mm on the inside of the lip. Since then I rolled the front and rear fenders and no problems.

2nd AutoX I used my friends Stockers with 255 RA1s, since I had to wait for Fender Roller to roll the front fenders. After the AutoX , I noticed that I was rubbing a lot on the liner that is ontop of the wheel well wall to the engine bay. Basically I went through the liner and started to rub on the metal wall. Not a lot, but I noticed as soon as I took the wheel off.

To run 275, you may have to go with 18" rim. Or just use 255x40x17 on your 17x9 or 17x9.5 rim. I use my RG2s for Roadracing and AutoX.

Last edited by letMeIn; Aug 21, 2007 at 03:56 AM.
Old Aug 21, 2007, 08:08 AM
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Anytime you run a 275 or 285 it takes some work to get it right. I agree that the best size with minimal work would be the 265/35/18. I've ran 265/35 AO48's on my 18x9.5 Forgelines and the fit and perform great for road course racing. A 255/40/17 is also an easy fit. I ran that size for a few years also.
BTW, you definitely don't want a +19 offset in the rear. You'll have to do way to much pulling if you run 275+. Also, there is no way I could fit my 285 Hoosiers without coilovers. A 275 would be similar. You'd have issues with spring clearance.
Old Aug 21, 2007, 08:21 AM
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i'm going to be running a 265 on an 8.5 inch rim. why don't you just be safe and use a 9 inch rim?
Old Aug 21, 2007, 06:56 PM
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you WILL rub you fender liner with 275's.... your tire will rub on the trailing arm a little.... you WILL have to roll the rear.... you WILL have to pull the front fenders or buy wider fenders.

I dont know of and 275/30 series tire you WILL have to run a 275/40

So there it is, not quite a bolt on event.


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