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      08-23-2009, 07:02 AM   #1
MrHarris
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Rubbing in the rear

Can anyone with personal experience confirm 285/35/19 tires in the rear dropped on springs (H&R to be exact) do not rub?

My wheel specs are 10" +20 if that helps. I'm going to make a purchase soon and just want to be sure I won't be rubbing and regretting.
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      08-23-2009, 10:09 AM   #2
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i run 19x10 20et and had PLENTY of room with my 285-30 ps2... i put a 5mm spacer to make it more flush...

a 285-35 will fit no peoblem...
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      08-23-2009, 10:49 AM   #3
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Quote:
Originally Posted by KINGLEH View Post
i run 19x10 20et and had PLENTY of room with my 285-30 ps2... i put a 5mm spacer to make it more flush...

a 285-35 will fit no peoblem...
Yes, with his current rear wheel specs, Mr. Harris will have enough horizontal (width) clearance with a 285/35/19 tire. (since it has has the same section width as a 285/30/19 tire)

The rubbing issue will be with his vertical (height) clearance since the 285/35/19 tire is over 1" taller than the 285/30/19 tire. (26.9" vs 25.8")

The taller tire sidewall, combined with his H&R lowering springs...makes rubbing a possibility under certain suspension compression scenarios.
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      08-23-2009, 04:04 PM   #4
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Quote:
Originally Posted by Lemans_Blue_M View Post
Yes, with his current rear wheel specs, Mr. Harris will have enough horizontal (width) clearance with a 285/35/19 tire. (since it has has the same section width as a 285/30/19 tire)

The rubbing issue will be with his vertical (height) clearance since the 285/35/19 tire is over 1" taller than the 285/30/19 tire. (26.9" vs 25.8")

The taller tire sidewall, combined with his H&R lowering springs...makes rubbing a possibility under certain suspension compression scenarios.
Like what scenarios? If it's going to happen almost every time I take a trip in the car then I don't think I'll do it. Also, how bad you think it'll be? Does it have the potential to really harm anything?
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      08-24-2009, 11:16 AM   #5
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Why would you want such a tall rear tire? You are probably going to need to make the fronts taller as well to not throw off the traction control...
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      08-24-2009, 01:58 PM   #6
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Take a pic of your rears mr harris
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      08-24-2009, 02:04 PM   #7
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P.S. I have 295/30/19 PS2s 10.5 Width, and an offset of +25.

With the naked eye, I don't believe my rears can handle a drop.
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      08-24-2009, 02:21 PM   #8
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I was afraid to open this thread given the title . . . .
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      08-24-2009, 07:46 PM   #9
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I'll post pics later tonight. Changing the rear dia
eter by .6" larger will mess up the DSC?

Has anyone tried this setup dropped?
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      08-24-2009, 07:53 PM   #10
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I'm not sure how sensitive DSC is on the M3, but I know in other cars traction control/dsc/or whatever you want to call it can be sensitive.

I made that mistake in my E55. During normal driving there was no problem, but the "control" would kick in much sooner when driving hard.
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      08-24-2009, 07:56 PM   #11
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Quote:
Originally Posted by HREM3 View Post
P.S. I have 295/30/19 PS2s 10.5 Width, and an offset of +25.

With the naked eye, I don't believe my rears can handle a drop.
Like Lemans Blue M said, rubbing can come from the sidewall hitting the fender or from the tire being too tall and hitting up top on in the fender. In this case it would come from the tire hitting up top.

It will look like you have alot of room because of the conservative width/offset but when the springs compress the tire will rub up top.
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      08-25-2009, 12:54 AM   #12
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I just don't want to rub where it's either dangerous or can potentially permanently damage my car. The reason I want 285/35/19 is because I want to get the RE-11's and they only make 285/35/19 and no 275/35/19.

No one has 285/35/19 dropped???
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      08-25-2009, 01:38 AM   #13
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jj, its hard to tell. from experience, a 285 35 19 is wider than 285 30 19. a 285 35 19 is equivalent of a 295 30 19. i was running a 285 30 19 nitto invo with a 10 offset. i even added a 5mm spacers. then again, my bumper was rubbed out already so i am able to run a wider stance. no one really know how sqaure re-11 are. its all trial and error. in my opinon, you might rub. only because your wheels will be muffin top. good luck man.
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      08-25-2009, 09:43 AM   #14
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It's going to rub for sure, unless you have a set of camber plates for the rear to induce more negative camber, finding the right size tires is more important than finding a particular brand/model tire.
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      08-25-2009, 02:41 PM   #15
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Quote:
Originally Posted by TOOMANYCARS View Post
It's going to rub for sure, unless you have a set of camber plates for the rear to induce more negative camber, finding the right size tires is more important than finding a particular brand/model tire.
You've tried this size yourself and it rubbed?
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      08-25-2009, 03:16 PM   #16
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I can almost guarantee "rubbage" lol (thats my word). Im currently running 285/30/19 on a 10" wheel with 25offset and a 5mm spacer. Absolutely no rubbing. However, I wanted the tire to be more flush so I tried running a 10mm spacer and under certain compression, I had some rubbing. I figured the only way to make it work is to go with a 275 tire.

My point tho, with a tire that tall u will deff have rubbing issues, and it might be more then just under certain circumstances. Good luck. Post the pics.
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      08-25-2009, 03:28 PM   #17
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Quote:
Originally Posted by MrHarris View Post
I just don't want to rub where it's either dangerous or can potentially permanently damage my car. The reason I want 285/35/19 is because I want to get the RE-11's and they only make 285/35/19 and no 275/35/19.

No one has 285/35/19 dropped???
I ran that set up on H&R's with PS2's and had no issues with rub even with a passenger in the back. I now have dropped it further with KW's and I had it rub a couple times so im going to raise it up a tad.

Here is a pic of that set up.

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      08-25-2009, 08:34 PM   #18
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No, I don't have that size, because I know it's going to rub by using tire size calculator.

Rom3n, your back wheel's offset is less aggressive than MrHarris's RS-D +20mm, thus yours doesn't rub.
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      08-25-2009, 08:59 PM   #19
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Quote:
Originally Posted by TOOMANYCARS View Post
No, I don't have that size, because I know it's going to rub by using tire size calculator.

Rom3n, your back wheel's offset is less aggressive than MrHarris's RS-D +20mm, thus yours doesn't rub.
My rear is 19X10 et20 with a 5mm spacer.
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      08-25-2009, 09:12 PM   #20
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So I guess rom3n says it works fine. His offset is more aggressive than mine by 5mm. Rom3n, what about with a full car (passengers)?
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Last edited by MrHarris; 08-26-2009 at 04:51 AM.
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      08-26-2009, 02:50 PM   #21
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Quote:
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My rear is 19X10 et20 with a 5mm spacer.
So is ur rear et25 with the spacer becoming 20? or 20 with the spacer becoming 15?
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      08-26-2009, 03:24 PM   #22
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Quote:
Originally Posted by gthirtyfizle View Post
So is ur rear et25 with the spacer becoming 20? or 20 with the spacer becoming 15?
I'm pretty sure he meant the wheel has an offset of +20, with an effective offset of +15 with the 5 mm spacer.
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