Cadillac ATS Brembos on G8? Will it work? - Page 2 - Pontiac G8 Forum: G8 Forums - G8Board.com
 
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Old 01-11-2013, 06:49 PM   #21
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Old 01-11-2013, 07:01 PM   #22
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Old 01-21-2013, 09:40 PM   #23
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What's up guys , I just got 04-07 cts-v brembos , we're can I fine the rebuild kit for them , I really just need the fronts
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Old 01-22-2013, 03:09 AM   #24
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What's up guys , I just got 04-07 cts-v brembos , we're can I fine the rebuild kit for them , I really just need the fronts
Hmm this is a thread for placing the ATS brakes on a G8, not the CTS-V brakes. You will get a better response if you start another thread.

If you need supporting info on the CTS-V brakes you should look at the sticky note at the top of this Brake/Suspension forum. good luck!
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Old 01-22-2013, 05:57 AM   #25
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Old 01-22-2013, 05:57 AM   #26
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Sorry guy .. Thanks
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Old 01-22-2013, 08:32 AM   #27
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I just took a quick look at some Camaro SS Brembos and compared them to the ATS (or XTS) brembos and they look like they MAY work. Take a look for yourself.

http://www.ebay.com/itm/Chevrolet-Ca...31d1e7&vxp=mtr

http://www.ebay.com/itm/2013-CADILLA...ea93e2&vxp=mtr
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Old 01-22-2013, 09:41 AM   #28
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this seems like a nice option for people who want to keep stock wheels, if everything works out and bolts up correctly.

one thing I will say on the 04-07 cts-v calipers: remember the 04-07 cts-v calipers are not much more price wise. also the 14" camaro rotors are like $30 plus shipping for a pair from slp. also remember the ats is a much lighter car, around 3400lbs if I recall. also the 04-07 cts-v pistons are much larger then the new ats 4 piston. also a 12.6" is rather small to disperse heat compaired to a 14" or larger rotor, when your talking a 4000lb car, now I know these are the same size as our stock rotors, but our stock brakes are not as strong and fade resistant as the brembos, I hope the limited fade, wouldn't overheat stock rotors.
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Old 01-22-2013, 10:37 AM   #29
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Quote:
Originally Posted by matthewo View Post
this seems like a nice option for people who want to keep stock wheels, if everything works out and bolts up correctly.

one thing I will say on the 04-07 cts-v calipers: remember the 04-07 cts-v calipers are not much more price wise. also the 14" camaro rotors are like $30 plus shipping for a pair from slp. also remember the ats is a much lighter car, around 3400lbs if I recall. also the 04-07 cts-v pistons are much larger then the new ats 4 piston. also a 12.6" is rather small to disperse heat compaired to a 14" or larger rotor, when your talking a 4000lb car, now I know these are the same size as our stock rotors, but our stock brakes are not as strong and fade resistant as the brembos, I hope the limited fade, wouldn't overheat stock rotors.
Got a link for those rotors?
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Old 01-22-2013, 10:50 AM   #30
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Don't buy the ATS calipers from ebay. The calipers should have a crossover tube and the ones on ebay must have been damaged and removed. GM does not sell this tube seperate so you would be SOL.
Plus I've seen those calipers new for $127 each.
22760030 & 22760031

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Edit: The ATS calipers use the larger 14mm bolt just like the Camaro so the older CTS-V calipers are a better option still so you don't need to drill the knuckles.
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Old 01-22-2013, 01:52 PM   #31
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Quote:
Originally Posted by Radrace19 View Post
Don't buy the ATS calipers from ebay. The calipers should have a crossover tube and the ones on ebay must have been damaged and removed. GM does not sell this tube seperate so you would be SOL.
Plus I've seen those calipers new for $127 each.
22760030 & 22760031

-Greg

Edit: The ATS calipers use the larger 14mm bolt just like the Camaro so the older CTS-V calipers are a better option still so you don't need to drill the knuckles.
Please post picture ATS brakes with a crossover tube
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Old 01-22-2013, 02:53 PM   #32
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As soon as they roll in the door.

I'm currenlty judging that off of the GM parts catalog so you are correct I could be mistaken.
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Old 01-22-2013, 03:37 PM   #33
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I could be mistaken too, but I think crossover is internal…
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Old 01-22-2013, 08:28 PM   #34
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Default No Cross Over Tube on ATS Brembo

Quote:
Originally Posted by Monaro@JHP View Post
I could be mistaken too, but I think crossover is internal…
I think your right, I never saw a cross over tube on the XTS or ATS. I believe that they are internal and are capped with a setscrew on the bottom if you look closely. Make sure you use G8 GT rotors, because I think ATS rotors are 5x115. But exactly same size front rotors, just drill out knucles and keep your stock wheels.

Hope someone tries this, already bought camaro rotors for cts brembos.
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File Type: jpg ats_2brembo.jpg (35.6 KB, 99 views)
File Type: jpg Front-suspension-on-2013-Cadillac-ATS.jpg (67.3 KB, 105 views)
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Old 01-24-2013, 08:32 PM   #35
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wow 5x115 what an odd size
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Old 01-24-2013, 09:58 PM   #36
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Old 01-28-2013, 09:44 AM   #37
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I just got the pair in.
Yes Monaro was corect. There isn't a crossover tube. The holes are pluged with screw in plugs.

I'll do more checking on them later and maybe even try to mount them on a GT very soon
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Old 01-28-2013, 10:27 AM   #38
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Those three "?" have to match between ATS and G8 for brakes to work/fit.
First one on the left sometimes can be solved with a spacer washer. The second one in the middle is essential to have the same rotor diameter. And the third one is essential for it even to bolt on.

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Old 01-28-2013, 11:35 AM   #39
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rotor diameter between the G8 and ATS seem to be pretty close. Does that suggest if they do mount up that the brake pads could be used as is unlike the HSV rotors that require partial cutting of the pads?
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Old 01-28-2013, 12:26 PM   #40
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1. Rotor diameter will not stay the same if mounting points will move
2. We still discussing ATS FRONT brakes... not HSV REAR rotors..
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