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Factory C5 wheel offset?

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Old Dec 11, 2004 | 11:36 PM
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JUAN J SANCHEZ's Avatar
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Default Factory C5 wheel offset?

Does anyonee know what the wheel offsets or backspacing measurements are on a factory C5?
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Old Dec 12, 2004 | 12:03 AM
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St. Jude Donor '03
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C5:
Front: 17x8.5" 58mm offset
Rear: 18x9.5" 55mm offset

Z06:
Front: 17x9.5" 54mm offset
Rear: 18x10.5" 58mm offset

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Old Dec 12, 2004 | 01:39 PM
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Originally Posted by Y2Kvert4me
C5:
Front: 17x8.5" 58mm offset
Rear: 18x9.5" 55mm offset

Z06:
Front: 17x9.5" 54mm offset
Rear: 18x10.5" 58mm offset

Tom,
Are those offset numbers for the C5 correct?
I thought they were 56mm front & 65mm rear?
I want to make sure I have the right info.
Thanks
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Old Dec 12, 2004 | 01:46 PM
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Originally Posted by ROCKnROLL
I thought they were 56mm front & 65mm rear?
The specs I listed came off Ronal's website. I know for fact the Z06 offsets listed are correct...relying on Ronal for the C5 numbers.

What you listed sounds like repro wheels that were made for an F-body fitment. Many repro Y2k and Z wheel mfr's are doing this.

A 2mm difference on the front is nearly nothing.
The 10mm difference out back tucks the wheels in about 3/8" more.

I could go measure my stock Y2k wheels and let you know for sure.

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Old Dec 12, 2004 | 06:24 PM
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JUAN J SANCHEZ's Avatar
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Thanks for the info guys! Nice yellow C5!
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