GT Performance Mods 2005+ Mustang GT Performance and Technical Information

rear tire size: 345/30/ZR19

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Old Aug 28, 2007 | 11:39 PM
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YaoNYC's Avatar
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rear tire size: 345/30/ZR19

hi all,

does anyone know if 345/30/19 on a 10.5" wide wheel with proper offset fit the rear of the mustang GT?

will it rub?

thanks all...
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Old Aug 29, 2007 | 12:49 AM
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They will rub. 310's are pushing it. I opted for 295's since I had to re-center the rear with an ajustable pan hard bar. Clearance on both sides are perfect.
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Old Aug 29, 2007 | 07:03 AM
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335's have been done. I measured for the 345's, and tehy would fit, but the offset would have to be absolutely perfect, and there could be almost 0 drift side to side. So basically, no, they won't go. Also, they really need an 11.5" width minimum, 12" is ideal. I was real interested in the 345/30/19 or 345/25/20's since they're available, but I've decided that the new 305/30/20's by Nitto will have to suffice.
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Old Aug 29, 2007 | 07:13 AM
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Originally Posted by STANG_IT
They will rub. 310's are pushing it. I opted for 295's since I had to re-center the rear with an ajustable pan hard bar. Clearance on both sides are perfect.
thanks stang_it
i think im going for 295/35/19 too...
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Old Aug 29, 2007 | 07:14 AM
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Originally Posted by Infinity
335's have been done. I measured for the 345's, and tehy would fit, but the offset would have to be absolutely perfect, and there could be almost 0 drift side to side. So basically, no, they won't go. Also, they really need an 11.5" width minimum, 12" is ideal. I was real interested in the 345/30/19 or 345/25/20's since they're available, but I've decided that the new 305/30/20's by Nitto will have to suffice.
hi infinity. thanks for the info.

there is an issue with 305/20/20, its slightly less than stock wheel/tire diameter.
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Old Aug 29, 2007 | 07:23 AM
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Depending on how much less your speedo will be off some , unless you re-flash the computer for the change ...
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Old Aug 29, 2007 | 05:39 PM
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Originally Posted by YaoNYC
hi infinity. thanks for the info.

there is an issue with 305/20/20, its slightly less than stock wheel/tire diameter.
Yeah, but a 305/30/20 isn't

I apologize. They aren't Nittos, they're Toyo. Here's a link to the PDF.

http://www.toyo.com/docs/tires/tires...category=sport
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