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Hello, a buddy of mine recently sold his car and he has a set of HRE wheels he’s selling. They were not ordered for a corvette but he’s saying they should fit on my car but I’ll have a bit of poke (which I have already). I know I would need hubcentric rings but These are specs:245/40/20 + 285/35/20
5x120 / Offsets et30 + et40
72.6mm hub bore.
What problems may I run into? How much poke would I have? Is this a good wheel option or should I find something more suited for a c6.
Assuming the wheel widths are identical to OEM (8.5" front and 10" rear), you calculate the poke by comparing the offsets. Front will be 26 mm further out than stock rims (+56mm offset) and 39mm further out in the rear (+79mm offset).
So to convert to inches, divide 26 by 25.4 and it will be a little over 1" further out in front than stock and rear will be 39 divided by 25.4 or roughly 1.5" further poke than stock.
And C6 bolt pattern is 5x120.6 so there is a slight difference. I have read some can use 5x120 bolt pattern wheels but I have never personally tried. The difference seems minuscule (.023").