Installing ATS Brembos on the Cobra.

SilverGT1

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Nice. I am curious, if you mount a disc, do you see the same .075 offset requirement (I expect that it would be somewhere close to that)? My curiosity is in how much production tolerance there is on the spindle mounting points.
 

Mustang5L5

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Mustang5L5

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Here’s the spacing if you don’t mill. My used pads fit in fine. The outer pistons would be extended morebut it is technically usable.

6370A5C9-BC82-4C29-8BBC-8425C7437D6D.jpeg

79AAED99-C656-490D-B301-5BA50BBA47E0.jpeg

73116D27-7299-4CA8-8188-492220E28696.jpeg
 

SilverGT1

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They technically still fit without milling. The rotor isn't centered...but it looks like it will work.

From the Brembo Racing Catalog, it states that the caliper must be mounted in a symmetrical position with respect to the rotor centerline: The difference between the left side and right side pistons to rotor must be 0.6mm (0.024") MAX.
 

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Mustang5L5

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From the Brembo Racing Catalog, it states that the caliper must be mounted in a symmetrical position with respect to the rotor centerline: The difference between the left side and right side pistons to rotor must be 0.6mm (0.024") MAX.

Good to know.

Kinda odd for LMR to pedal a product requiring extensive modification to be safe.
 

cj428mach

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Ya he is pissed because he was ripping people off at over twice the cost. (Was charging over $800 for less than $400 in parts). We are here to help the cobra/mustang community not rip the community off... The info is not wrong he is just trying to make what he has "look" better.

The info I did was from the install I did. If you like it use it. If you don't then don't. I don't really care as I am not losing any money either way. The brakes work great on my car and are light years better than my stock.

There's a post on Facebook now saying he took a guys money in July, delivered no calipers and blocked the guy. Hopefully svtperfo will permaban the guy.
 

wckdvnm

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There's a post on Facebook now saying he took a guys money in July, delivered no calipers and blocked the guy. Hopefully svtperfo will permaban the guy.

He’s a coward he just runs as soon as anything is questioned. He has been making people pay in such a way that they cannot refund the money... still curious to see why the j64 he was charging more for is superior.
 

Mustang5L5

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still curious to see why the j64 he was charging more for is superior.

I don’t think he’s using J64 brembos. I purchased a set and these things aren’t fitting with anything less than a 14” rotor.

Same spindle mods required. Same m14 thread inserts and 128mm bolt spacing.

Basically GM uses two different 4 piston brembos. There’s the base brembo used on the ATS and base corvette that run a 12.6” rotor, and then there’s the larger j64 that comes on the XTS and Buick Regal and corvette z51 that use a 13.6” rotor.

Camaros get the two setups as well. Base gets the 12.6 and Same brembo as ATS and base vette and the Camaro SS gets the 13.6 and same brembo as XTS/vette z51

I haven't found any information at all to suggest there is any difference in how these two calipers mount other than M14 thread pitch and 128mm spacing.
 
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Mustang5L5

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Here’s the difference between ATS and XTS j64 brembos

Needs a bigger rotor. Maybe gt500 14” rotor?

13” rotor isn’t big enough
D42809D8-4E6E-480A-9C4F-A87AB7A63ADA.jpeg



Anyone want to buy them?
 
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NateDogg

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Is the only difference the need for a bigger rotor?

Can I still use the machined fitting and spacer kit from above?

Sent from my SM-G970U using Tapatalk
 

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