C6 Wheele Help

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Dec 22, 2009 | 08:12 PM

VinC6

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C6 Wheele Help

Hey,
Does anyone know what the stock offset is on the front rim of a c6?

I have 18's in the front and 19's in the back.

Thanks!!

Dec 22, 2009 | 08:17 PM

RicK T

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From: Ventura County, Calif

+56mm front, +79mm rears

Dec 22, 2009 | 09:16 PM

Swiftrider08

Safety Car

Joined: Aug 2007

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From: Rushsylvania Ohio

Coupe/Convertible
Tire -- Wheel
Front: 245/40R18 18x8.5 (offset= +56mm)
Rear: 285/35R19 19x10 (offset= +79mm)

Z06
Tire -- Wheel
Front: 275/35R18 18x9.5 (offset= +40mm)
Rear: 325/30R19 19x12 (offset= +59mm)

21 pounds for each front wheel (+/- 0.5 lbs)
25 pounds for each rear wheel (+/- 0.5 lbs)

C6 non Z06

Front 18 x 8.5, +56 mm offset
Rear 19 x 10, +79 mm offset

C6 Z06

front: 18 inch x 9.5 inch, +40 offset
rear: 19 inch x 12 inch, +59 offset

Dec 23, 2009 | 04:13 PM

VinC6

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I need to replace my front rim and found a new OEM Wheel with a 46mm offset... Is that a big difference?

Dec 23, 2009 | 04:21 PM

vettedoogie

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From: Iowa

Dec 23, 2009 | 04:47 PM

Zymurgy

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From: DFW Area TX

Quote:

Originally Posted by VinC6

I need to replace my front rim and found a new OEM Wheel with a 46mm offset... Is that a big difference?

10mm is about 0.3937 inches. This means the wheel/tire will stick out that distance more than the stock wheel/tire combo.

Dec 24, 2009 | 07:46 PM

VinC6

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Would you buy an OEM rim with a 46mm offset or a replica with a 56mm offset?

Dec 24, 2009 | 11:19 PM

Zymurgy

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From: DFW Area TX

How can an "OEM" rim have a 46mm offset? That is not original equipment specification.

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Dec 25, 2009 | 11:25 AM

miami08VETTE

Melting Slicks

Joined: Dec 2007

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From: North Fulton Georgia

Must not be OEM. the OEM would have the OEM offset. Probably a reproduction wheel of some sort. Anyway you don't want to mix the offset same as not mixing sizes, etc. Car wont be right.

Jan 4, 2010 | 02:40 AM

#10

pakshana

3rd Gear

Joined: Jan 2010

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Your front tire size aspect ratio (tire height from rim to ground or diameter) is too high, it should be a 35 series not 40. You probably should have gotten something like a 255 or 265-35-18 for the fronts. The rears you'll probably need a wider spacer and probably went with 295-30-18 series tires for the rears.
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