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Tire size

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rvward

Post subject: Tire size

Posted: Thu Dec 01, 2011 9:13 am

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Joined: Thu Dec 01, 2011 8:45 am
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Name: Rodney

Help!

What is the max. tire width and offset for 18in. rims for a 2003 Grandprix? in now have 245/45/18 what the widest size and wheel offset to keep them tucked? i'm going to switch over to coilover also.

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Malefic_GP

Post subject: Re: Tire size

Posted: Thu Dec 01, 2011 10:20 am

The Stig

Premium Member

Joined: Thu Mar 06, 2008 3:09 am
Posts: 4712
Location: Miami, FL
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Name: Anthony Carmenate

Depends on the rims, but honestly 255/45/18 should be the widest you want to go for

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Why have more money than brains? Cuz RACE CAR : :iroc:

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04widetrackgt2

Post subject: Re: Tire size

Posted: Thu Dec 01, 2011 11:30 am

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Joined: Wed Apr 14, 2010 11:00 am
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Location: Texas
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Name: salvador

i have 255/45/18 on my wheels they are 18x7 gxp wheels no rubbing

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TOP SWAPPED-LS6springsXPcam3.4MPS-SD'sCustomDHPtuneMsdCustom painted/polished genV SSCsGXPforged alcoasSPOgrilles/spoiler/SElip/GMPPhandling
14.02@100 2.294-60'
L32Swap 13.7@102 O.o

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KyleWSU68

Post subject: Re: Tire size

Posted: Thu Dec 01, 2011 12:57 pm

GPONA SE Member

Joined: Tue Jul 22, 2008 8:58 am
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Location: Riverside, OH
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Age: 25

I have 18X8 35mm offset KV5's with 245-45-18's. No rubbing up front but had to roll the fenders in the rear. Worth it to me with the flush look that the extra backspacing provides.

_________________
2005 GTP Comp G (Best E.T. 13.93 @ 98.8mph)
(SSC Lowering Springs, GMPP STB, SSAC Headers, 1.9 Mod Rockers w/ LS6 Springs, Wizaird, 180* T-Stat, AL104's, 3.6" MPS, Dyno Tune)

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mshipman89

Post subject: Re: Tire size

Posted: Thu Dec 01, 2011 5:23 pm

GPONA Addict

Joined: Tue May 26, 2009 1:43 pm
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Location: New Jersey
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Name: Mike Shipman

I have 245/40/18

_________________

2006 Subaru Impreza WRX STi My Build Thread
2004 Grand Prix GT2 : September 2011 GPONA COTM : SOLD
1997 Grand Prix GT1 : SOLD

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Malefic_GP

Post subject: Re: Tire size

Posted: Thu Dec 01, 2011 5:31 pm

The Stig

Premium Member

Joined: Thu Mar 06, 2008 3:09 am
Posts: 4712
Location: Miami, FL
Thanks given: 2 times
Thanked: 7 times
Age: 25
Name: Anthony Carmenate

mshipman89 wrote:

I have 245/40/18

I had that the frist time on my foose rims...NEVER AGAIN! Oh and your speedometer is off a bit

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Why have more money than brains? Cuz RACE CAR : :iroc:

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mshipman89

Post subject: Re: Tire size

Posted: Thu Dec 01, 2011 6:09 pm

GPONA Addict

Joined: Tue May 26, 2009 1:43 pm
Posts: 1206
Location: New Jersey
Thanks given: 2 times
Thanked: 8 times
Age: 23
Name: Mike Shipman

I havent had any issues

_________________

2006 Subaru Impreza WRX STi My Build Thread
2004 Grand Prix GT2 : September 2011 GPONA COTM : SOLD
1997 Grand Prix GT1 : SOLD

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