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      07-04-2014, 01:39 PM   #1
CL 19
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Lightbulb Need Help: Planning to run square setup of 235/40/18 et45

Hi guys, I bought Apex Arc-8 hyper black 225/40/18 et38 - 265/35/18 et62 (Bridgestone Potenza RE-11) about 6 months ago and planning to run a square setup few months from now.

My choice of wheels will be OZ racing leggera HLT 8x18 et45 and I plan to pair it with 235/40/18 Michelin PSS all around. Do you guys think wheel spacer will be necessary to make the front setup rub free? If yes, should I run 3mm or 5mm? Currently I'm running stock sport suspension but will lower the car on Eibach Pro-kit at the same I install the wheels and tires. For the rear setup, will it look flush without any spacer? If not, which spacer size should I get?

Beside that setup, I might consider to run 245/35/18 square setup on Michelin PSS as well. Do you guys think it will fit fine since the width of the rim is 8 not like other usual width of 8.5?

Really appreciate thoughts and opinions from you guys! This is just another small project that I promise to myself when I get a job in next coming month.

Thanks guys,

CL
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Last edited by CL 19; 07-04-2014 at 01:45 PM.. Reason: Adding option
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      07-05-2014, 10:20 AM   #2
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I'm running 235/40r18 Pilot Sport A/S 3s on v701s (18x8.5 et45) and I only get slight rubbing on the front fenders when I hit real nasty dips. 245s are a no go without any work.
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      07-05-2014, 01:06 PM   #3
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Quote:
Originally Posted by bokyo1987 View Post
I'm running 235/40r18 Pilot Sport A/S 3s on v701s (18x8.5 et45) and I only get slight rubbing on the front fenders when I hit real nasty dips. 245s are a no go without any work.
Do you run wheel spacer? I believe 235/40 will be very close if not touching the inner strut. I'm currently have Dinan camber plate to keep the camber -1.5 all around and prevent rubbing on my aggressive setup. I'm planning to get 3mm spacer when I installed that 235/40/18 PSS. Do you run stock suspension or aftermarket? Thanks man!
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      07-05-2014, 01:19 PM   #4
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My suspension's completely stock, no spacers. My tires actually rub on the fenders, with good enough clearance from the struts. I was tempted to run 245s, but I didn't want to spend more money lol. Good luck, man!
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      07-05-2014, 02:05 PM   #5
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Quote:
Originally Posted by bokyo1987
My suspension's completely stock, no spacers. My tires actually rub on the fenders, with good enough clearance from the struts. I was tempted to run 245s, but I didn't want to spend more money lol. Good luck, man!
Really? I thought it was rubbing on the inner strut but it might be due to conservative camber setup. Since I'm running -1.5 camber all around, I might tuck it inside the fender but might touch the strut and hopefully 3mm will solve the issue.

It was pretty PITA when I installed my 8.5x18 et38 with 225/40/18 up front. Almost rub eveytime I hit a bump, dip or uneven road but all the problems solve with Dinan plates.

Thanks man!
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      07-06-2014, 01:58 AM   #6
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Quote:
Originally Posted by CL 19 View Post
Do you run wheel spacer? I believe 235/40 will be very close if not touching the inner strut.
I'm confident you will have more than enough space on the strut side. Because you are using 8" wide front wheels you have an extra 6mm clearance over most people with 8.5" wheels. If you change to coilovers, then you might need to run a spacer to clear the tire, but OE style struts aren't that wide. I guess you will have close to 10mm gap between the tire and the strut.
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      07-06-2014, 02:04 AM   #7
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Quote:
Originally Posted by John_01 View Post
I'm confident you will have more than enough space on the strut side. Because you are using 8" wide front wheels you have an extra 6mm clearance over most people with 8.5" wheels. If you change to coilovers, then you might need to run a spacer to clear the tire, but OE style struts aren't that wide. I guess you will have close to 10mm gap between the tire and the strut.
Ahh, I see, sometimes I forgot that I plan for 8x18 and 235/40/18 not 8.5x18. Now I'm agree with what you were saying and I should be aware when I lowered the car. Do you think Eibach Pro-Kit lowering spring has wider spring size compared to stock sport suspension? I plan to lower it just right but don't want to cause any more problem. Thanks man!
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      07-06-2014, 02:54 AM   #8
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Quote:
Originally Posted by CL 19 View Post
Ahh, I see, sometimes I forgot that I plan for 8x18 and 235/40/18 not 8.5x18. Now I'm agree with what you were saying and I should be aware when I lowered the car. Do you think Eibach Pro-Kit lowering spring has wider spring size compared to stock sport suspension? I plan to lower it just right but don't want to cause any more problem. Thanks man!
I don't have it myself, but looking at other peoples fitment on the forum its quite common to use 235/40/18 on 18x8.5" ET45 wheels with OE style spring such as pro-kit. If it works with 18x8.5 ET45 wheels, such as Apex, then it should also work with your 18x8.0" wheels. The fender clearance should be ok for 235/40/18 because of the Dinan camber plates on your car. Some people complain the 235/40/18 can rub on the inner fender liner when you use full steering lock, but I think that's more likely with low ride height and proper sport type tires.
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      07-06-2014, 03:02 AM   #9
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Quote:
Originally Posted by John_01 View Post
I don't have it myself, but looking at other peoples fitment on the forum its quite common to use 235/40/18 on 18x8.5" ET45 wheels with OE style spring such as pro-kit. If it works with 18x8.5 ET45 wheels, such as Apex, then it should also work with your 18x8.0" wheels. The fender clearance should be ok for 235/40/18 because of the Dinan camber plates on your car. Some people complain the 235/40/18 can rub on the inner fender liner when you use full steering lock, but I think that's more likely with low ride height and proper sport type tires.
Yeah, hopefully everything goes well and I can order those wheels and tires as soon as I can. Right now I'm running -1.5 camber all around and it works wonder on my rubbing issue. At first it was rubbing on the front setup which is 225/40/18 on 8.5x18 et38. Hopefully someone can chime on this thread with pictures or further explanation so that I can be sure that nothing bad will happen with my future setup. Thanks!
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      07-06-2014, 03:21 AM   #10
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There is a thread:
http://www.1addicts.com/forums/showt...php?p=15038360
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      07-06-2014, 04:17 PM   #11
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Thanks John! Just curious if I can fit Volk TE37 that has et35 on 8.5x18 for rear setup. I find a good deal for whole set of Volk TE37 but on aggressive setup.
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      07-06-2014, 05:14 PM   #12
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Eek. ET 35 is too aggressive in the rear

I run 18x8.5 ET40 with 245 Dunlop ZIIs. I have -3.6* Camber up front, -2* in the rear.

5mm spacer up front.

Had to roll both fenders, and lowered quite a bit.
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      07-06-2014, 09:04 PM   #13
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Quote:
Originally Posted by Kgolf31
Eek. ET 35 is too aggressive in the rear

I run 18x8.5 ET40 with 245 Dunlop ZIIs. I have -3.6* Camber up front, -2* in the rear.

5mm spacer up front.

Had to roll both fenders, and lowered quite a bit.
Yeah, I know it but just curious if someone has any luck running 8.5x18 et35 square with 235/40/18 Michelin PSS without rolling the fender and on stock suspension.

Do you rub on the rear even though on -2 degree camber? I'm speaking without rolling the fender. I'm just wondering since your ZII setup is wider than my planned setup. Let me know what do you think.

Thanks Man!
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      07-07-2014, 06:59 AM   #14
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Quote:
Originally Posted by CL 19 View Post
Yeah, I know it but just curious if someone has any luck running 8.5x18 et35 square with 235/40/18 Michelin PSS without rolling the fender and on stock suspension.

Do you rub on the rear even though on -2 degree camber? I'm speaking without rolling the fender. I'm just wondering since your ZII setup is wider than my planned setup. Let me know what do you think.

Thanks Man!
I rub against the inner fender liner within the fender when I do rub...and that is minor.

I don't think you're going to fit ET35 in the rear.

Your wheel is going to be 5mm more than mine...and mine is a VERY tight fit
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      07-07-2014, 08:51 AM   #15
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Quote:
Originally Posted by Kgolf31 View Post
I rub against the inner fender liner within the fender when I do rub...and that is minor.

I don't think you're going to fit ET35 in the rear.

Your wheel is going to be 5mm more than mine...and mine is a VERY tight fit
I'm also looking to run 235 up front, my car is lowered with some suspension stuff noted in sig.

Quick question: Do you get any rubbing under lock with 235s up front? A full left hand lock on 225s rubs justtt a bit on the oil cooler's plastic louver piece, just so slightly. Hasn't left any marks on the tire or caused any visible damage to the plastic piece - but i'm worried 235s would be too much.

I know without seeing my car's ride height it's tough to offer more than an educated guess.
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      07-07-2014, 08:56 AM   #16
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Quote:
Originally Posted by 135Pats View Post
I'm also looking to run 235 up front, my car is lowered with some suspension stuff noted in sig.

Quick question: Do you get any rubbing under lock with 235s up front? A full left hand lock on 225s rubs justtt a bit on the oil cooler's plastic louver piece, just so slightly. Hasn't left any marks on the tire or caused any visible damage to the plastic piece - but i'm worried 235s would be too much.

I know without seeing my car's ride height it's tough to offer more than an educated guess.
I run 245s up front.

And no, no rubbing at full lock...because 128i and no oil cooler

Picture of car to reference how low I actually am under compression load:

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      07-07-2014, 08:59 AM   #17
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Doh totally forgot you drive the 28, my bad! Yea I have a bad feeling 235 would start to make substantial contact with the oil cooler mesh...It's just a soft plastic screen but still i'd rather avoid it.

This platform is so limiting in terms of tires. Frustrates the hell out of me. How nice would a 255-275 setup be
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      07-07-2014, 03:01 PM   #18
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I have one more "hard" question guys, just found a set of Volk TE37SL wheels at very reasonable price. The spec is 8.5x18 et35 (I know its a 3 series fitment) and I plan to run square setup with 235/40/18 Michelin PSS.

I'm pretty sure I can fit it upfront with correct amount of camber since now I'm running 8.5x18 et38 225/40 RE11 and I can fit it with -1.5 camber. The hard thing will be the rear setup. My car is completely stock and if I can fit those wheels I'm looking into possibility to lower my car by lowering spring.

Let me know guys! Thanks
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      07-07-2014, 03:26 PM   #19
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Quote:
Originally Posted by CL 19 View Post
I have one more "hard" question guys, just found a set of Volk TE37SL wheels at very reasonable price. The spec is 8.5x18 et35 (I know its a 3 series fitment) and I plan to run square setup with 235/40/18 Michelin PSS.

I'm pretty sure I can fit it upfront with correct amount of camber since now I'm running 8.5x18 et38 225/40 RE11 and I can fit it with -1.5 camber. The hard thing will be the rear setup. My car is completely stock and if I can fit those wheels I'm looking into possibility to lower my car by lowering spring.

Let me know guys! Thanks
ET35 on all four corners? Or just the fronts.

ET35 on the rears is quite aggressive. Your fenders won't be happy, let's put it that way.
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      07-07-2014, 03:33 PM   #20
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Quote:
Originally Posted by Kgolf31 View Post
I rub against the inner fender liner within the fender when I do rub...and that is minor.

I don't think you're going to fit ET35 in the rear.

Your wheel is going to be 5mm more than mine...and mine is a VERY tight fit
Quote:
Originally Posted by CL 19 View Post
I have one more "hard" question guys, just found a set of Volk TE37SL wheels at very reasonable price. The spec is 8.5x18 et35 (I know its a 3 series fitment) and I plan to run square setup with 235/40/18 Michelin PSS.

I'm pretty sure I can fit it upfront with correct amount of camber since now I'm running 8.5x18 et38 225/40 RE11 and I can fit it with -1.5 camber. The hard thing will be the rear setup. My car is completely stock and if I can fit those wheels I'm looking into possibility to lower my car by lowering spring.

Let me know guys! Thanks
See Above.
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      07-07-2014, 03:42 PM   #21
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Quote:
Originally Posted by Kgolf31
Quote:
Originally Posted by Kgolf31 View Post
I rub against the inner fender liner within the fender when I do rub...and that is minor.

I don't think you're going to fit ET35 in the rear.

Your wheel is going to be 5mm more than mine...and mine is a VERY tight fit
Quote:
Originally Posted by CL 19 View Post
I have one more "hard" question guys, just found a set of Volk TE37SL wheels at very reasonable price. The spec is 8.5x18 et35 (I know its a 3 series fitment) and I plan to run square setup with 235/40/18 Michelin PSS.

I'm pretty sure I can fit it upfront with correct amount of camber since now I'm running 8.5x18 et38 225/40 RE11 and I can fit it with -1.5 camber. The hard thing will be the rear setup. My car is completely stock and if I can fit those wheels I'm looking into possibility to lower my car by lowering spring.

Let me know guys! Thanks
See Above.
Duhh, my bad for not seeing your comment, sorry. Does lowering the car give better camber adjustability for the rear setup? Is your setup 245/40 or 245/35? Your setup is 8.5x18 et40 245 ZII and my plan is 235/40 et35, will be any chance of slight rub that can be clear with more camber?
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