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CTS-V Brake Install w/ Pics
#703
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My current brakes are stock LT1 brakes and C5 wheels aren't installed yet. I'm trying to understand minimum width of spacers to purchase.
Last edited by V.Rain; 06-09-2016 at 02:26 AM.
#708
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#714
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Does the cts-v upgrade effect offset, or any other wheel measurements?I only ask since i am currently pricing parts out. I want to make sure i purchase the correct, and required 18" rim.
#715
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As far as I understand, I can use C6 Z06 rotors and use washers to center the caliper or use Camaro SS rotors and machine hub. CTS-V rotors look like Camaro SS but with proper center bore. Can I use CTS-V rotors with CTS-V calipers instead of C6 Z06 or Camaro SS?
#718
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I am really, really confused about wheel offsets and the spoke clearance to the calipres and since this is a fairly big issue I was hoping someone could help clear this up for me.
First I need clarification as to what offset is and how it effects fitment under different specifications. If Im not mistake, offset is the distance between the hub and the center of the wheel.
41mm offset is minimum for the CTSV Calipres to clear the spokes (because 41mm is still technically inside the wheel width and causes the spokes to overlap the callipres as they must extend outward to get to the outer edge of the wheel. Because the Hub is sitting within the inner width of the wheel, this pushes the wheel outward.
Now here's what gets confusing. You can have the same offset with different size wheels and some of them still might not work. (41mm offset on a 18" x 9.5" vs 18" x 9.0", same offset but since wheel is narrower, spokes wont have to extend outward as much, thus colliding with the calipre - hypothetical example) It LOOKS like Diameter doesn't effect the offset fitment issues as much as wheel width will though and thats where I'm lost.
If I run 18x9" on the front, will 41mm offset still work? or will I need something in the 30's? Likewise if I run 18x9.5" in the front then 41mm would be golden?
I'm really trying to avoid using wheel spacers as I dont have the means of replacing wheel studs and if I took it to the shop the have them replace wheel studs they would have to do the whole job... ...Unless I could just remove the wheel hub?
First I need clarification as to what offset is and how it effects fitment under different specifications. If Im not mistake, offset is the distance between the hub and the center of the wheel.
41mm offset is minimum for the CTSV Calipres to clear the spokes (because 41mm is still technically inside the wheel width and causes the spokes to overlap the callipres as they must extend outward to get to the outer edge of the wheel. Because the Hub is sitting within the inner width of the wheel, this pushes the wheel outward.
Now here's what gets confusing. You can have the same offset with different size wheels and some of them still might not work. (41mm offset on a 18" x 9.5" vs 18" x 9.0", same offset but since wheel is narrower, spokes wont have to extend outward as much, thus colliding with the calipre - hypothetical example) It LOOKS like Diameter doesn't effect the offset fitment issues as much as wheel width will though and thats where I'm lost.
If I run 18x9" on the front, will 41mm offset still work? or will I need something in the 30's? Likewise if I run 18x9.5" in the front then 41mm would be golden?
I'm really trying to avoid using wheel spacers as I dont have the means of replacing wheel studs and if I took it to the shop the have them replace wheel studs they would have to do the whole job... ...Unless I could just remove the wheel hub?
#719
TECH Enthusiast
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
I am really, really confused about wheel offsets and the spoke clearance to the calipres and since this is a fairly big issue I was hoping someone could help clear this up for me.
First I need clarification as to what offset is and how it effects fitment under different specifications. If Im not mistake, offset is the distance between the hub and the center of the wheel.
41mm offset is minimum for the CTSV Calipres to clear the spokes (because 41mm is still technically inside the wheel width and causes the spokes to overlap the callipres as they must extend outward to get to the outer edge of the wheel. Because the Hub is sitting within the inner width of the wheel, this pushes the wheel outward.
Now here's what gets confusing. You can have the same offset with different size wheels and some of them still might not work. (41mm offset on a 18" x 9.5" vs 18" x 9.0", same offset but since wheel is narrower, spokes wont have to extend outward as much, thus colliding with the calipre - hypothetical example) It LOOKS like Diameter doesn't effect the offset fitment issues as much as wheel width will though and thats where I'm lost.
If I run 18x9" on the front, will 41mm offset still work? or will I need something in the 30's? Likewise if I run 18x9.5" in the front then 41mm would be golden?
I'm really trying to avoid using wheel spacers as I dont have the means of replacing wheel studs and if I took it to the shop the have them replace wheel studs they would have to do the whole job... ...Unless I could just remove the wheel hub?
First I need clarification as to what offset is and how it effects fitment under different specifications. If Im not mistake, offset is the distance between the hub and the center of the wheel.
41mm offset is minimum for the CTSV Calipres to clear the spokes (because 41mm is still technically inside the wheel width and causes the spokes to overlap the callipres as they must extend outward to get to the outer edge of the wheel. Because the Hub is sitting within the inner width of the wheel, this pushes the wheel outward.
Now here's what gets confusing. You can have the same offset with different size wheels and some of them still might not work. (41mm offset on a 18" x 9.5" vs 18" x 9.0", same offset but since wheel is narrower, spokes wont have to extend outward as much, thus colliding with the calipre - hypothetical example) It LOOKS like Diameter doesn't effect the offset fitment issues as much as wheel width will though and thats where I'm lost.
If I run 18x9" on the front, will 41mm offset still work? or will I need something in the 30's? Likewise if I run 18x9.5" in the front then 41mm would be golden?
I'm really trying to avoid using wheel spacers as I dont have the means of replacing wheel studs and if I took it to the shop the have them replace wheel studs they would have to do the whole job... ...Unless I could just remove the wheel hub?
#720
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
use this to understand https://www.rimsntires.com/specspro.jsp