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08-30-2010, 03:50 PM | #67 | |
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Toy: 2008 Silver Z4MC 300WHP/241TQ
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08-30-2010, 08:01 PM | #68 |
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08-31-2010, 09:00 AM | #69 | |
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09-07-2011, 11:17 AM | #72 |
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Is anyone running 285/35/18 on the rear with R18x10? Would it be too much?
Tire calculator is saying that 285 would match the original size even better ... Code:
Specification Sidewall Radius Diameter Circumference Revs/Mile Difference 255/40-18 4.0in 13.0in 26.0in 81.8in 775 0.0% 275/35-18 3.8in 12.8in 25.6in 80.4in 788 -1.7% 285/35-18 3.9in 12.9in 25.9in 81.2in 780 -0.7% |
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09-08-2011, 04:46 PM | #73 | |
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I would not recommend it to anyone afraid of doing all that is needed to make it work. |
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09-09-2011, 04:51 AM | #74 | |
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01-14-2012, 11:44 PM | #75 |
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camber settings?
my z4m coupe is stock.. i will install the following size:
front: 18x9 245/40/18 rear: 18x10 275/35/18 i am not going to lower the car anytime soon.. can anyone help me with the camber settings? do i need to change anything?? |
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02-23-2012, 09:18 PM | #76 |
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Hyperblack ARC-8
Front 18X9-42 with Michelin PSS 245/40 Rear 18X10-25 with Michelin PSS 275/35
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02-29-2012, 06:44 PM | #79 | |
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08-18-2012, 05:07 PM | #81 | |
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I would like to upgrade to this new set of Apex wheels and want to achieve your setup of 265/35 on 18x9.5 et35 in the front. I would like to know the front ride height setting (measured from bottom rim to fender line) and spacer size. Please advise ![]() You said it fits Pilot sport cup 265/35/18 (which has section width of 10.9", diameter of 25.2"). I want to do sanity check whether it will rub on my track application. Currently, with either Nitto NT01 or Star Spec 245/40 tires (which has section width 9.8", diameter of 25.7") on 18x8.5" et 38 with front ride height set at 23.5" , -3.5 degree camber on KW Clubsport. It rubs the inner fender liner under extreme compression (coming down from a banked curve at >90mph, on race track) . In prior experiment, I tried increasing the vertical clearance by using smaller diameter tire, so I tried mounting Hoosier 255/35 (section width of 10.8" [as wide as your 265/35], diameter of 25.1"). The 18x8.5 ET 38 offset is too high such that the tire sidewall is touching the KW shock perch. The Apex 18x9.5 ET 35 could provide extra 3mm + spacer width (if used) inner clearance to the shock perch (relative to my current ET 38) so it may clear the KW shock perch. However the 265/35 tire section width is 1" wider than the rubbing 245/40. So the 265/35 tire will stick out at least 0.5" + (spacer width) more than 245/40. If my front suspension compresses as far as it did with current 245/40 , it would rub at location 0.5" + (spacer width) further out which may be hitting the fender itself or the front bumper connection to the fender (see the picture). While the 265/35 diameter provides extra 0.25" vertical clearance, the possible contact/rub point has moved to the fender itself which is closer to the tire than the plastic fender liner. Therefore, before I get the Apex wheels, I would like to understand the front ride height, spacer and front spring rate settings that allows 265/35 to fit in the front with no rubbing. Thanks Last edited by S2000; 08-18-2012 at 09:10 PM.. |
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08-18-2012, 10:02 PM | #82 |
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That is a lot of information. Not sure if it answers your question but I have 265/35-18 starspecs on 18x9.5 squared and do not rub on track with 3.3 degrees of camber in the front. I am running a 5mm spacer to clear stoptechs's. I am at the track in a different car, otherwise I would measure the front ride height for you.
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09-16-2012, 10:03 AM | #83 | |
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Only mod to clear the 18x9.5 et 35 square without any issues are camber plates? don't have to get coils? |
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09-17-2012, 01:43 PM | #84 |
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The stock strut’s integrated lower spring perch can clear the 265 setup, so a simple camber plate install with at least -2.5 degrees of camber can make the set up work. Times where you may run into trouble is when a KW V series or any other coilover kit that utilizes a cone shaped progressive spring is used a spacer may be needed to clear to spring. You are then pushing the wheel/tire out further requiring more camber.
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02-02-2013, 02:26 PM | #85 |
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Here are some pics of my new setup. TC Klein Smart Design D/A Coilovers & Camber Plates, Hyper Black APEX ARC-8 18x9.5et35 18x10et25 & lug stud conversion, Michelin PSS 255/35 front 275/35 rear, Turner front adjustable sway bar end links.
It has -2.9 camber and 1.5mm toe-in in the front, -2.4 3mm toe-in in the rear and is corner balanced.
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02-18-2013, 07:28 AM | #86 |
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Kenny FRC:
Front 18X9-42 with Michelin PSS 245/40 Rear 18X10-25 with Michelin PSS 275/35 Did you have to adjust any settings for alignment or camber with these size wheels and tires >??
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12-27-2019, 02:47 PM | #88 | |
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