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I found a set of C7 GS wheels in good condition by me and I'm trying to figure out if they will fit (easily) on my base C5. Best thing I've been able to find so far is a hard maybe with spacers. Anyone done it before or know for sure?
Aside from fit, how is the ride going from 17/18" to 19/20"?
I was trying to figure out exactly what wheels will fit my C5 too forpete. If you look at forum vendor House of Wheels they show the various offsets on their reproduction page: https://www.houseofwheelsonline.com/corvette_copies.php
You can see on that page there were several different offsets for the C7 (GS is not mentioned):2015-19 C7 ZO6 reproduction black gloss shown. Available also in triple plated chrome.
The C5 shows the following:
2000-2004 Chevy Corvette Chrome
17x8.5 Offset +56
18x9.5 Offset +54
So you can see there are wheels with the +56 offset that might fit but nothing with exactly +54, and there are probably other fitment considerations too.
Regarding ride quality, using a 19/20" means less sidewall so there isn't as much tire there to soak up bumps. And the C7s had a cracking issue on stock wheels so many people replaced them with fully forged wheels. Whether that cracking issue would be present if used on a C5 is anyone's guess.
If they're true GS cup wheels that are in true GS sizes, they'll bolt right up and stick right out...no spacers needed
How does one know if they are true GS wheels? The listing doesn't give much info, I'm going to look at them this weekend. About all I have so far is "2-20x12 and 2-19x10"
^ those look like true cup wheels in true GS sizes, not repros made with narrower widths intended for other vehicles.
They will bolt up to your car but they're much wider than what the C5 was made for so they are gonna poke out beyond the fenders...if you're okay with that look then go for it
The specs for GS wheels are 19x10 +40mm and 20x12 +59mm BTW
^ those look like true cup wheels in true GS sizes, not repros made with narrower widths intended for other vehicles.
They will bolt up to your car but they're much wider than what the C5 was made for so they are gonna poke out beyond the fenders...if you're okay with that look then go for it
The specs for GS wheels are 19x10 +40mm and 20x12 +59mm BTW