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Old 05-18-2011, 09:57 PM   #101
Vossatron
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Quote:
Originally Posted by nhat View Post
i don't know what they are but they're geared for OEM struts and i based it off that.
I havent put the springs on yet cause I am waiting to get koni yellow inserts. I got the springs before I realized that its highly advised to upgrade struts when doing springs. It also clearly states that H&R highly advises struts be upgraded. So how are these springs geared toward OEM?
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Old 05-18-2011, 10:44 PM   #102
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Originally Posted by Vossatron View Post
I havent put the springs on yet cause I am waiting to get koni yellow inserts. I got the springs before I realized that its highly advised to upgrade struts when doing springs. It also clearly states that H&R highly advises struts be upgraded. So how are these springs geared toward OEM?
Hes talking about OEM springs being geared for OEM struts, aftermarket springs do not take the OEM struts into consideration.
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Old 05-19-2011, 08:04 PM   #103
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Looking to fit 18X9.75 +20 on a stock body 2011 wrx planning on a bc coilover set up as well... do you guys think i will run into any issues
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Old 05-19-2011, 08:21 PM   #104
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are you planning on putting tires on them wheels?
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Old 05-19-2011, 08:24 PM   #105
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Quote:
Originally Posted by jpinto516
Looking to fit 18X9.75 +20 on a stock body 2011 wrx planning on a bc coilover set up as well... do you guys think i will run into any issues
before posting again, please do some research.
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Old 05-19-2011, 11:38 PM   #106
jpinto516
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i have been looking, its just i am not seeing anyone with 2011 with +20 offset on a 18X9.75 and i really don't know what would be the best tire size
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Old 05-20-2011, 03:33 AM   #107
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Use some common sense...


Quote:
Originally Posted by Mach V Dan View Post

From experience, a 9.5" wide wheel will work at around +40 (give or take a couple of mm). The lower offset allows decent tire clearance on the inside. Steering feel is slightly worse from the lower offset, but it's not terrible. A 265/35R18 tire happens to be within 0.1% of the stock size, and that fits pretty well. (You may have to do minor fender rolling at the back if the car is lowered. It depends on the tire...not all 265/35R18 are created equal.)

Now look at what you selected (xxr, I'm sure.. shtty offset and random width). You're 20mm closer to the fender and a 1/4" wider... "Am I going to run into any problems?" LOL what do you think.
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Old 05-20-2011, 09:58 AM   #108
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Quote:
Originally Posted by Fleet Admiral View Post
You're 20mm closer to the fender and a 1/4" wider... "Am I going to run into any problems?" LOL what do you think.
This.

--Dan
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Old 05-22-2011, 04:03 PM   #109
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Quote:
Originally Posted by sc00by4life View Post
aftermarket springs do not take the OEM struts into consideration.
Eibach Pro-Kit R&D does - it is based on OE damper compatibility. that is a fact.

unless i am misunderstanding your post/point.

OP, this is a great thread. i'm glad i stumbled into it.

Last edited by builthatch; 05-22-2011 at 07:18 PM.
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Old 05-25-2011, 10:59 PM   #110
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Just wondering but how wide of a tire could you fit on a 17x8 rim with a +45mm offset?
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Old 05-27-2011, 11:15 AM   #111
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Originally Posted by IBREW View Post
Just wondering but how wide of a tire could you fit on a 17x8 rim with a +45mm offset?
You're going to be limited mostly by how much "bulge" you want to have. A 235 width is a good match for an 8" wide wheel. If you wanted to go with something wider, like a 255, it would start to look kind of plump on the wheel.

Here's a 255 on a an 18x8" +48 wheel:



That's not TOO bad, but I probably wouldn't go any wider.

Any of those widths will have no problems with clearing the suspension and fenders.

--Dan
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Old 05-27-2011, 01:13 PM   #112
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With a wider than recomended tire like that would it create some play when cornering, what I mean is there any performance downside to it?
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Old 05-28-2011, 08:45 AM   #113
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With a wider than recomended tire like that would it create some play when cornering, what I mean is there any performance downside to it?
Yes. If the tire is a lot bigger than the wheel, you can get some rolling under hard cornering, which can feel a little funny. You do get more grip at the limit, though. Some road racers and autocrossers squeeze very wide tires onto very narrow wheels because their rules restrict the wheel size, but not the tire size...

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Old 05-30-2011, 01:09 PM   #114
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Sorry if this question has been asked but I'm kind of confused on this topic. I have a 2011 wrx sedan and want to upgrade the wheels to 18x9 rota g force with a 35 offset. I also am installing epic lowering springs which lower the car 1.2-1.3 inches, do you all think the fenders should be rolled for me not to run into problems? Thanks for the writeup
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Old 05-30-2011, 04:03 PM   #115
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Quote:
Originally Posted by lp87 View Post
Sorry if this question has been asked but I'm kind of confused on this topic. I have a 2011 wrx sedan and want to upgrade the wheels to 18x9 rota g force with a 35 offset. I also am installing epic lowering springs which lower the car 1.2-1.3 inches, do you all think the fenders should be rolled for me not to run into problems? Thanks for the writeup
Yes, rear fenders definately.
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Old 05-30-2011, 04:31 PM   #116
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Yes, rear fenders definately.
how much does fender rolling usually cost for the rears? The fronts wont need to be rolled?
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Old 05-30-2011, 08:21 PM   #117
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Quote:
Originally Posted by lp87

how much does fender rolling usually cost for the rears? The fronts wont need to be rolled?
find a local shop and ask how much they charge. that's not something we can answer.

if the fronts need to be rolled, he would have said so...
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Old 05-30-2011, 10:27 PM   #118
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Ok, sorry to beat a dead horse but I want to get this right the first time.

Proposed wheel specs : Volk TE37Sl 18x9 +45.

I also plan on installing the gt worx/bilstein suspension and don't want to have to roll fenders. I was thinking a 255/35-18 would be an ideal tire size. Do you see any issues with this setup Dan?
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Old 05-31-2011, 09:06 AM   #119
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Quote:
Originally Posted by TheBigBadYeti
Ok, sorry to beat a dead horse but I want to get this right the first time.

Proposed wheel specs : Volk TE37Sl 18x9 +45.

I also plan on installing the gt worx/bilstein suspension and don't want to have to roll fenders. I was thinking a 255/35-18 would be an ideal tire size. Do you see any issues with this setup Dan?
0 issues
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Old 05-31-2011, 02:53 PM   #120
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Awesome!
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Old 05-31-2011, 03:29 PM   #121
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if i upgrade my stock 2011 wrx's rims to 18x9 rota g forces with 225x40x18 federal ss595 tires will I need to re-calibrate my odometer and speedometer?
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Old 05-31-2011, 03:46 PM   #122
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Quote:
Originally Posted by lp87
if i upgrade my stock 2011 wrx's rims to 18x9 rota g forces with 225x40x18 federal ss595 tires will I need to re-calibrate my odometer and speedometer?
if you're worried about the speedometer and odometer, don't change the OD of your tires...
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Old 05-31-2011, 04:07 PM   #123
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Hi there what r the risk of running 225/45/18 up front and 235/45/18 rear will it really damage my awd on a 09 wrx sedan
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Old 05-31-2011, 04:12 PM   #124
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You cannot be serious...

or are you....
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Old 05-31-2011, 04:18 PM   #125
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Quote:
Originally Posted by nhat View Post
if you're worried about the speedometer and odometer, don't change the OD of your tires...
how do i calculate whether my OD is changed or not?
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