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Need Help with front tire size

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Old 04-27-2011, 11:05 AM
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Dirty Dave
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Default Need Help with front tire size

So im going to be running a 305/30/19 in the rear on eibach pro kit. Now after using the tire calculator in the sticky its telling me to fall within 3% to use a 265/35/19 up front. These are on varrtoen wheels with a +12 offset upfront. My question is does anyone know if ill have rubbing issues with that size tire on a +12 offset with eibach springs and no adjustable camber on fronts ? or should I go to a 255 width tire. P.S. the fatter the better, no stretching here. thanks
Old 04-27-2011, 11:14 AM
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terrasmak
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255/35 will work, 275/30 and 265/30 will also work. I would actually do the 265 for the street and you will need about -1.8 to -2 camber, with the 275 you will need about -2 to -2.2 front camber.
Old 04-27-2011, 12:02 PM
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scotts300
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What is the width of the front +12 wheel? A 265/35 is still taller than a 305/30. On my wife's 04'ZR, the VDC was overly sensitive to this (exact sizes); her 07' wasn't as sensitive to it. I was surprised, but those are real data points. 255/35 or 275/30 front would better (or 265/30, which I don't like much).
Old 04-27-2011, 12:20 PM
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Dirty Dave
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Originally Posted by scotts300
What is the width of the front +12 wheel? A 265/35 is still taller than a 305/30. On my wife's 04'ZR, the VDC was overly sensitive to this (exact sizes); her 07' wasn't as sensitive to it. I was surprised, but those are real data points. 255/35 or 275/30 front would better (or 265/30, which I don't like much).
The front rim width is 9.5". Any reason you dont like the 265/30 setup ?
Old 04-27-2011, 12:25 PM
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scotts300
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Originally Posted by Dirty Dave
The front rim width is 9.5". Any reason you dont like the 265/30 setup ?
It's just a very thin short sidewall.

I ran the 265/35 and 275/30 on a 9" +31. The outer part of your set-up is over an inch more "out" than ours was, I think you will need some camber to make it work with a large-ish tire.
Old 04-27-2011, 12:40 PM
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Dirty Dave
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Originally Posted by scotts300
It's just a very thin short sidewall.

I ran the 265/35 and 275/30 on a 9" +31. The outer part of your set-up is over an inch more "out" than ours was, I think you will need some camber to make it work with a large-ish tire.
Alright, if I gotta go 255/35 id rather do that then mess with the front camber. That should fit with the +12 offset right ?
Old 04-27-2011, 12:59 PM
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terrasmak
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Originally Posted by Dirty Dave
Alright, if I gotta go 255/35 id rather do that then mess with the front camber. That should fit with the +12 offset right ?
Depends on the tire, usually they start to rub about +17 with a 255
Old 04-27-2011, 01:53 PM
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bmccann101
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i run 255/30/20 at +20 8.5 and I rub if the wheel is turned at all over reasonable bumps. Curious how my new wheels will pan out.. 20x9.5 at +17 w 255/30/20. Im pretty dropped too. I ahve camber arms, but dont wana use them for such purpose really.

I believe my over height was right at 26 inches. So overall my 20 is about the same as what you were asking.

I can imagine ( just my .02 cents added to the above of course) that you would rub in certains situations when driving thru parking lots or thru a Wendys drive thru, but not while driving fast on the fwy, etc etc.

I personally like to stay away from camber at all in the front because the roads here suck and are generally crowned badly and grab even worse w camber in the mix.

www.rimtuck.com

you will be able to see EVERYTHING you want to know there my man.

Last edited by bmccann101; 04-27-2011 at 01:55 PM.
Old 04-27-2011, 02:56 PM
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^^ Sweet site, thanks for the link ^^
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