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Old 06-22-2013, 06:40 AM   #2076
onewhitewrx
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Will i have any problems running Enkei RPF1s 17x9 5x100 +35. I know I have to roll my rear fenders. I drive a 2012 WRX (Non Sti) and was wondering if I will have wheel bearing issues?
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Old 06-22-2013, 02:15 PM   #2077
PearlRex11
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Quote:
Originally Posted by gsrcrxsi View Post
It doesn't change the angle of the hub to the strut.think about it.
How come wheels camber in when you put on lowing springs then? When the spring compresses the wheel doesn't move straight up and down does it?
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Old 06-22-2013, 02:38 PM   #2078
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Quote:
Originally Posted by gsrcrxsi View Post
It doesn't change the angle of the hub to the strut.think about it.
Actually, it does.

Someone who might dump their car without getting an alignment might run into issues.

Regardless, camber numbers were what I was after.

I'm pretty sure I understand wheel/suspension .

Quote:
Originally Posted by PearlRex11 View Post

How come wheels camber in when you put on lowing springs then? When the spring compresses the wheel doesn't move straight up and down does it?
Dynamic changes in height always effect camber and toe. When you lower a car, the wheels will gain natural negative camber.

Last edited by sc00by4life; 06-22-2013 at 04:46 PM.
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Old 06-23-2013, 12:00 AM   #2079
MrImprezaWRX
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just had my wheels install enkei nt03 18x9.5 +40 on swift springs tire size 255/35/18. Their is no rubbing at all.
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Old 06-23-2013, 01:08 AM   #2080
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Originally Posted by MrImprezaWRX View Post
just had my wheels install enkei nt03 18x9.5 +40 on swift springs tire size 255/35/18. Their is no rubbing at all.
Any pics?
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Old 06-24-2013, 11:19 AM   #2081
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Quote:
Originally Posted by PearlRex11 View Post
How come wheels camber in when you put on lowing springs then? When the spring compresses the wheel doesn't move straight up and down does it?
Quote:
Originally Posted by sc00by4life View Post
Actually, it does.

Someone who might dump their car without getting an alignment might run into issues.

Regardless, camber numbers were what I was after.

I'm pretty sure I understand wheel/suspension .
try this thought experiment

take a stock height car. that does not have any wheel/strut clearance problem
remove the strut and hub as one piece, hell leave the wheel attached.
replace the springs with lowering springs. and re-assemble.
you will have lowered the car without changing the wheel/strut clearance AT ALL and gained camber from lowering (the whole strut assembly angles, taking the hub and wheel with it)

this is neglecting small variances for changes to alignment (that will be needed to correct toe) of course. but just playing devils advocate that ride height alone makes almost no difference in strut clearance. if you try add a lot of camber via the camber bolts that will lessen your clearance. but camber changes via moving the strut angle do not affect inner strut clearance.
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Old 06-27-2013, 02:37 PM   #2082
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Quote:
Originally Posted by mrkyle3 View Post
Ok, thanks. I'm a noob when it comes to wheel fitment.

I'm getting 17x9 +42 rota titans wrapped in 245/40 direzza ZII's for autocross. My plan is to see if they rub in the rear and if so then I'll get the fenders rolled.
Quote:
Originally Posted by mrkyle3 View Post
Ok thanks a lot man, I appreciate it!

I will be sure to take pics and post them here but it'll about a week. Wheels are shipping from CA so will take a bit.
So I was at subaru dealer to get alignment and mount/balance but they told me the wheels rubbed. They test fit a wheel (minus tire) and there was about 5-6mm of clearance from strut... maybe the tire would make it rub? They are 245s on 9" wheels so I doubt it. This is after I put aftermarket camber bolts on and before the alignment so the negative camber was pretty large. I reiterated that the wheels had clearance and it should not rub but the service manager pulled the plug because he didn't want to be responsible for anything.


I called IAG performance and they told me it would fit fine so I made an appt with a performance shop for tomorrow morning. Is all the research I've done wrong? I feel like these wheel should fit without spacers. Perhaps I should have alignment done first to get my neg camber down to -2 instead of whatever it's at.
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Old 06-28-2013, 12:24 PM   #2083
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Quote:
Originally Posted by mrkyle3 View Post
So I was at subaru dealer to get alignment and mount/balance but they told me the wheels rubbed. They test fit a wheel (minus tire) and there was about 5-6mm of clearance from strut... maybe the tire would make it rub? They are 245s on 9" wheels so I doubt it. This is after I put aftermarket camber bolts on and before the alignment so the negative camber was pretty large. I reiterated that the wheels had clearance and it should not rub but the service manager pulled the plug because he didn't want to be responsible for anything.


I called IAG performance and they told me it would fit fine so I made an appt with a performance shop for tomorrow morning. Is all the research I've done wrong? I feel like these wheel should fit without spacers. Perhaps I should have alignment done first to get my neg camber down to -2 instead of whatever it's at.
The subaru dealer had no idea what they were talking about.

Had a performance shop put them on and they fit completely fine. It remains to be seen if a fender roll is necessary in the rear but I don't think so.

These are Rota Titans 17x9 +42 with Dunlop Direzza ZII in 245/40




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Old 06-28-2013, 03:25 PM   #2084
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Quote:
Originally Posted by mrkyle3 View Post

The subaru dealer had no idea what they were talking about.

Had a performance shop put them on and they fit completely fine. It remains to be seen if a fender roll is necessary in the rear but I don't think so.

These are Rota Titans 17x9 +42 with Dunlop Direzza ZII in 245/40
I hope the stealership didn't bill u for the alignment unless they told u already that they will only align to factory specs meaning they will not do a performance alignment due to liability.
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Old 06-30-2013, 10:18 PM   #2085
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Default 18x8.5 vs 18x9 vs 18x9.5 (which one?)

Hi!

I need your opinion. which fitment better suits a 2012 wrx on stock suspension? I've been reading this thread for awhile and doing comparisons with the offset calculator but still undecided. I wouldn't mind rolling the fenders but would like to stick with the stock camber (if ever possible).

Now these are my options:
(a) 18x8.5 +40 with 245/40/18 (-13 from stock STI offset)
(b) 18x9 +38 with 245/40/18 tires (will it stick out the fender?)
(c) 18x9 +38 with 235/40/18 (might be too stretched?)
(d) 18x9.5 +40 with 255/35/18 tires (this might still need fender rolling from what i've read)
(e) 18x9.5 +40 with 265/35/18 tires (one of the common set ups here)

My concern for 9.5 is that it's not practical for daily driving plus I don't want it sticking out the fender. I'll be lowering it with BC BR's when I get more funds.
Right now I'm leaning towards (a), and (b). Please help me decide. Any inputs will be greatly appreciated!
Thanks a lot!
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Old 06-30-2013, 11:10 PM   #2086
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Quote:
Originally Posted by onewhitewrx View Post
Will i have any problems running Enkei RPF1s 17x9 5x100 +35. I know I have to roll my rear fenders. I drive a 2012 WRX (Non Sti) and was wondering if I will have wheel bearing issues?
No issue with bearings.

Regarding fitament, it will depend on tire choice. I run those exact wheels with 245/40 BF Goodrich Comp 2 and I did not even have to roll.
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Old 07-01-2013, 10:21 AM   #2087
Evil XT
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Quote:
Originally Posted by mrkyle3 View Post
The subaru dealer had no idea what they were talking about.

Had a performance shop put them on and they fit completely fine. It remains to be seen if a fender roll is necessary in the rear but I don't think so.

These are Rota Titans 17x9 +42 with Dunlop Direzza ZII in 245/40




^^ that looks awsome. Just found my new everday wheels. No drop right?
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Old 07-01-2013, 12:19 PM   #2088
texascanuck
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Quote:
Originally Posted by j3pwrx View Post
Hi!

I need your opinion. which fitment better suits a 2012 wrx on stock suspension? I've been reading this thread for awhile and doing comparisons with the offset calculator but still undecided. I wouldn't mind rolling the fenders but would like to stick with the stock camber (if ever possible).

Now these are my options:
(a) 18x8.5 +40 with 245/40/18 (-13 from stock STI offset)
(b) 18x9 +38 with 245/40/18 tires (will it stick out the fender?)
(c) 18x9 +38 with 235/40/18 (might be too stretched?)
(d) 18x9.5 +40 with 255/35/18 tires (this might still need fender rolling from what i've read)
(e) 18x9.5 +40 with 265/35/18 tires (one of the common set ups here)

My concern for 9.5 is that it's not practical for daily driving plus I don't want it sticking out the fender. I'll be lowering it with BC BR's when I get more funds.
Right now I'm leaning towards (a), and (b). Please help me decide. Any inputs will be greatly appreciated!
Thanks a lot!
OK, this is a DD on stock height/suspension and you are leaning towards a) and b) ... so based on those requirements - how about doing a) but with the tire choice in c) .... that is an 18x8.5 wheel with the 235/40-18 tire.
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Old 07-01-2013, 01:16 PM   #2089
mrkyle3
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Quote:
Originally Posted by Evil XT View Post
^^ that looks awsome. Just found my new everday wheels. No drop right?
I have RCE yellows on bilstein struts, so maybe a 3/4" drop.
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Old 07-01-2013, 07:03 PM   #2090
j3pwrx
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Quote:
Originally Posted by texascanuck View Post
OK, this is a DD on stock height/suspension and you are leaning towards a) and b) ... so based on those requirements - how about doing a) but with the tire choice in c) .... that is an 18x8.5 wheel with the 235/40-18 tire.
Hi texascanuck! thanks for the reply. so you think that's a better fitment? It's more narrow than the STI tires, but would the stretch be alright? thanks again!
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Old 07-02-2013, 01:12 PM   #2091
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not neccessarily a better fitment just different. The 245 is wider but taller. The 235 will not be a huge stretch on the 18x8.5 wheels.

If you go back to your original choices of a) vs b)
I would go with a) 18x8.5 w/ 245/40-18.
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Old 07-03-2013, 12:21 PM   #2092
TryHonesty
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I'm looking to get Rota Grids for my 2013 WRX and would like an opinion:

Stock

Size: 17x8"
Offset: +53
Bolt pattern: 5x100
Tire: 235/45R17


Choice(s) below
Grid 17"
Size: 17x8"
Offset: +44
Bolt pattern: 5x100
Tire: OEM 235/45R17?

or

Grid 18"

Size: 18.x8.5"
Offset: +44
Bolt pattern: 5x100
Tire: 235/40ZR18 or Will OEM 235/45R17 fit?

The 17" look like they would fit no problems, any ideas on the 18"?
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Old 07-03-2013, 12:33 PM   #2093
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Quote:
Originally Posted by TryHonesty View Post
I'm looking to get Rota Grids for my 2013 WRX and would like an opinion:

Stock
Size: 17x8"
Offset: +53
Bolt pattern: 5x100
Tire: 235/45R17

Choice(s) below
Grid 17"
Size: 17x8"
Offset: +44
Bolt pattern: 5x100
Tire: OEM 235/45R17?

or

Grid 18"
Size: 18.x8.5"
Offset: +44
Bolt pattern: 5x100
Tire: 235/40ZR18 or Will OEM 235/45R17 fit?

The 17" look like they would fit no problems, any ideas on the 18"?
17" Tires will not fit on a 18" wheel. This is not what they mean by "stretch"
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Old 07-03-2013, 12:34 PM   #2094
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Well, you can't exactly put a 17" tire on an 18" rim.

Why not go with a 17x9" +42 Grid - would look better.

Quote:
Originally Posted by TryHonesty View Post
I'm looking to get Rota Grids for my 2013 WRX and would like an opinion:

Stock

Size: 17x8"
Offset: +53
Bolt pattern: 5x100
Tire: 235/45R17


Choice(s) below
Grid 17"
Size: 17x8"
Offset: +44
Bolt pattern: 5x100
Tire: OEM 235/45R17?

or

Grid 18"

Size: 18.x8.5"
Offset: +44
Bolt pattern: 5x100
Tire: 235/40ZR18 or Will OEM 235/45R17 fit?

The 17" look like they would fit no problems, any ideas on the 18"?
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Old 07-03-2013, 01:28 PM   #2095
TryHonesty
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Quote:
Originally Posted by deanwrx View Post
Well, you can't exactly put a 17" tire on an 18" rim.

Why not go with a 17x9" +42 Grid - would look better.
That sounds great. I'm just not as familiar with how the width for the tires work in regards to scraping or needing rolling of fenders.

I'd like to be able to get new wheels/tires without having to roll anything.

With the 17x9" +42, offset looks good, 17" around is stock which is nice, but how does the 9" width translate to my 235/45R17 stock tires? Can I use my stock tires on that 17x9" +42 wheel?
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Old 07-03-2013, 01:30 PM   #2096
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Yes you can use those tires but hey will be a bit stretched. 255 40 17 would be best
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Old 07-03-2013, 03:01 PM   #2097
le chocolate moose
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Default 18x9.0 on PSS 265/35 on GR STi

Hey Dan,

Awesome thread. I've been through it in its entirety, but it seems examples and pics of this setup have been very sparse. I know 9.5 would be ideal, but the WedsSport I am looking at only comes in 9 and 10. Could do 255/35 but would like to stay closer to stock diameter. What do you think? 265 too much tire for a 9?

Thanks,

Mike
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Old 07-03-2013, 03:19 PM   #2098
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Quote:
Originally Posted by le chocolate moose View Post
Hey Dan,

Awesome thread. I've been through it in its entirety, but it seems examples and pics of this setup have been very sparse. I know 9.5 would be ideal, but the WedsSport I am looking at only comes in 9 and 10. Could do 255/35 but would like to stay closer to stock diameter. What do you think? 265 too much tire for a 9?

Thanks,

Mike
We need more information as figment varies greatly.

We need wheel width and offset for any wheel you're looking at.
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Old 07-03-2013, 04:02 PM   #2099
Mach V Dan
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Quote:
Originally Posted by le chocolate moose View Post
Could do 255/35 but would like to stay closer to stock diameter. What do you think? 265 too much tire for a 9?
265 is a little wide for a 9" wide wheel, but it can still fit on there. 255/35 is only 1.2% smaller than stock diameter...that's pretty close. I'd go with that.

Quote:
Originally Posted by sc00by4life View Post
We need more information as fitment varies greatly.

We need wheel width and offset for any wheel you're looking at.
We don't if we're just judging tire width versus wheel width.

--Dan
Mach V
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Old 07-03-2013, 04:15 PM   #2100
le chocolate moose
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Quote:
Originally Posted by sc00by4life View Post
We need more information as figment varies greatly.

We need wheel width and offset for any wheel you're looking at.
Sorry, it was in the title: "18x9.0 on PSS 265/35 on GR STi"

Didn't mention offset since I am confident +36 will work with stock susp and possible slight roll to the rear.

Thanks,

Mike
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