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C6 OEM fronts 18x8.5 & 19x10 for the rear

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Old 05-13-2010, 06:23 PM
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Default C6 OEM fronts 18x8.5 & 19x10 for the rear

I have read through some threads saying that these will fit but can some one fill me in on the correct tire sizes that i need to keep the correct ride hight so the abs light will not go on? Also will I only need a 1.5" spacer to make the rears fit. Thanks in advance.
Old 05-13-2010, 09:01 PM
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Stock tire size for me was
275/40/17
New Tire size front
255/35/18-----Rims 18/8.5 Offset 46mm
New Tire size back
285/30/19-----Rims 19/10 Offset 65mm

My spacer was only 6mm for the back because my vette wheels were from OE wheels.
Hope this helps
Also remember if your stock rims are 16 and not 17 like mine were, you will have to run a higher profile tire so your speedo is correct.

Last edited by Facelift; 05-14-2010 at 05:40 PM.
Old 05-13-2010, 10:49 PM
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Thanks for the info. How do the different width tires look on the rims? I am a little concerned how it will look.
Old 05-14-2010, 03:46 PM
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Originally Posted by Facelift
Stock tire size for me was
275/40/17
New Tire size front
255/35/18-----Rims 18/8.5 Offset 46mm
New Tire size back
285/30/19-----Rims 19/10 Offset 65mm

My spacer was only 6mm for the back because my vette wheels were from OE wheels.
Hope this helps
Also remember if your stock rims are 16 and not 17 like mine were, you will have to run a higher profile tire.
OEM C6 19x10's are 79mm offset and will require a 1.25" adapter on Camaro's and a 1.25" or a 1.5" adapter on Firebirds. 275/30/19 or 285/30/19 would work best with 255/35/18 fronts.
Old 05-14-2010, 05:39 PM
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Originally Posted by kb274868123
Thanks for the info. How do the different width tires look on the rims? I am a little concerned how it will look.
I worried about the same thing. But you can't even notice it. I can' remember the exact diameter of my tires but you want to stay within an inch from what I hear. My difference between the tire size of the front and back was .8 of an inch and get no ABS light.
Old 05-14-2010, 10:11 PM
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245/40x18 would be the correct front size... 25.7"
255/35x18 is only 25.0"
285/30x19 is 25.7"
stock was: 245/50x16 = 25.6", or 275/40x17 = 25.7"
Old 05-15-2010, 03:38 PM
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Originally Posted by someday
245/40x18 would be the correct front size... 25.7"
255/35x18 is only 25.0"
285/30x19 is 25.7"
stock was: 245/50x16 = 25.6", or 275/40x17 = 25.7"
The problem with 245/40/18's on the front is it looks HORRIBLE with a 30 series tire on the back. Since the speedometer and gearing on the rear is what you really need to worry about, a 255/35/18 on the front won't be a problem and it's still within an inch to keep the ABS light from coming on.

Last edited by BandDirector Blk98ZM6; 05-18-2010 at 03:30 PM.
Old 05-17-2010, 05:40 PM
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Originally Posted by BandDirector Blk98ZM6
The problem withb 245/40/18's on the front is it looks HORRIBLE with a 30 series tire on the back. Since the speedometer and gearing on the rear is what you really need to worry about, a 255/35/18 on the front won't be a problem and it's still within an inch to keep the ABS light from coming on.
That's how I felt too. That is why I did the 35 up front because a 40 would look bad and I had some play as far as size went.



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