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Corvette
C8 Z06
For the 2023 C8 Z06: For Those Debating Whether You Need to Buy the Z07 Package and Carbon Fiber Rims and If It's Worth the Dough...
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<blockquote data-quote="gone" data-source="post: 277918" data-attributes="member: 5899"><p>One other item of interest for those contemplating the carbon fiber (CF) rims:</p><p></p><p>-the 2023 C8 manual on page 289 points out that the CF rims are thicker so cars that come with CF rims have longer lug studs</p><p>-the manual goes on to recommend you change out the lug studs, for shorter ones, if you're going to install aluminum (not as thick) rims on a car that's been set up for CF rims. That change-out is likely complicated so most people would do it at a dealership...then pay a pretty penny and there's also the time required for that to be done, especially when frequently swapping CF for aluminum rims and vice versa</p><p>-the manual doesn't talk about (for example) putting spacers behind the rim on each lug stud, when installing an aluminum rim. That would reduce the length of the exposed lug stud, but it also would reduce the number of threads that would "catch" and hold the lug nut onto each lug stud. Perhaps GM thinks there's a chance the lug nut could come off at higher speeds, with less threads holding it on? </p><p>-it may be that the aftermarket crowd will develop a different lug nut, which is increased in length and has more threads to better seat on a longer lug stud. That's not yet available. Or perhaps you could install a lug nut that is open-ended and tighten it down until the proper torque is reached, but that likely won't be visually appealing. Then the other option is to purchase an extra set of CF rims...for a different set of tires. That way the same longer lug studs could be properly used. But that's obviously a ++ expensive option, due to the expected CF rim cost. Plus I'm not sure how readily available an extra set of CF rims will be, especially in the first many months after the car is available and the CF rims are likely only earmarked for production.</p><p></p><p>Another thing to keep in mind, if you're thinking of buying CF rims.</p></blockquote><p></p>
[QUOTE="gone, post: 277918, member: 5899"] One other item of interest for those contemplating the carbon fiber (CF) rims: -the 2023 C8 manual on page 289 points out that the CF rims are thicker so cars that come with CF rims have longer lug studs -the manual goes on to recommend you change out the lug studs, for shorter ones, if you're going to install aluminum (not as thick) rims on a car that's been set up for CF rims. That change-out is likely complicated so most people would do it at a dealership...then pay a pretty penny and there's also the time required for that to be done, especially when frequently swapping CF for aluminum rims and vice versa -the manual doesn't talk about (for example) putting spacers behind the rim on each lug stud, when installing an aluminum rim. That would reduce the length of the exposed lug stud, but it also would reduce the number of threads that would "catch" and hold the lug nut onto each lug stud. Perhaps GM thinks there's a chance the lug nut could come off at higher speeds, with less threads holding it on? -it may be that the aftermarket crowd will develop a different lug nut, which is increased in length and has more threads to better seat on a longer lug stud. That's not yet available. Or perhaps you could install a lug nut that is open-ended and tighten it down until the proper torque is reached, but that likely won't be visually appealing. Then the other option is to purchase an extra set of CF rims...for a different set of tires. That way the same longer lug studs could be properly used. But that's obviously a ++ expensive option, due to the expected CF rim cost. Plus I'm not sure how readily available an extra set of CF rims will be, especially in the first many months after the car is available and the CF rims are likely only earmarked for production. Another thing to keep in mind, if you're thinking of buying CF rims. [/QUOTE]
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Corvette
C8 Z06
For the 2023 C8 Z06: For Those Debating Whether You Need to Buy the Z07 Package and Carbon Fiber Rims and If It's Worth the Dough...
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