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AMG Big Brake Kit... adapters?

6 pot brembo sti bbk

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#1 timmy0240

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Posted 08 April 2019 - 12:23 AM

Howdy all. 

So it was late, not a creature was stirring except.. (the 4 assholes in..), no no, me. Not Die Hard.

Anyway, I was perusing guides/forums on big brakes for our cars (my god Caddy CTS 4 pots are popular) and something struck me, not literally. 

No one really has a guide to fit 6 pots from one of the many manufacturers that offer them, most of the time, in the form of Alcon or Brembo.

As I found, the ever-popular Caddy brake solution and the 6 pots they offer, won't fit. Plainly, because of the mounting bracket, it would interfere with the knuckle, and the caliper can't be modified thanks in part, to the mounting being a part of the caliper casting. 

Thankfully, Caddy are not the only manufacturer that uses a Brembo 6 pot caliper. AMG also does. 

And as the images will show (and some of you will click instantly), they're designed... differently, to the CTS ones. For those of you who don't get it, unlike the CTS 6 pots, the mount isn't moulded! In fact, the design resembles the same as you would see from an aftermarket brake kit (Like the Brembo GT 6 pot). 

So, I'm thinking of buying a caliper (the one pictured for example, is $374USD for the caliper and pads, for reference, a Brembo GT 6 pot front kit is over $5,000) and seeing if I can mock up a bracket that would screw onto the caliper, then onto my knuckle. 

A pricey project but I think it's doable. The most expensive part is rotors. However, there are numerous sources for custom rotors in any design required. 

So... comments? Thoughts? I think there's method(logy) to my madness. 

Tim



 

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#2 timmy0240

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Posted 08 April 2019 - 12:33 AM

Further to my original post, I searched for some STi 6 pots on eBay and found a similar picture, so I compared the two (attached).

My basic theory is, in the newly fabricated AMG bracket, you would simply have to make a bracket that has the holes further away from the centre, to mate to the Subaru knuckle. 

Am I under-analysing this or..? Because it just seems very simple. Lines might be a bit of bastard but you can have ones made, again, numerous places will do it.  

 

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Owner of 1HA-8OI - EZ30 swapped, 6MT (TY856) converted gen 3 sedan. 

Build thread: http://www.subyclub....ms-legacy-rs30/

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#3 Barbbachello

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Posted 08 April 2019 - 08:47 AM

Sure, but why?


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#4 timmy0240

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Posted 08 April 2019 - 03:56 PM

Because cheap big ass Brembos.

Owner of 1HA-8OI - EZ30 swapped, 6MT (TY856) converted gen 3 sedan. 

Build thread: http://www.subyclub....ms-legacy-rs30/

BBS/Enkei - Apex'i - HKS - STI Genome - Mantic Clutch - Xtreme 

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#5 timmy0240

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Posted 08 April 2019 - 11:53 PM

Naturally, the Chinese have beaten us to the punch. It really is as easy as I think. 

https://www.aliexpre...VvSHU8yv0yvazUY

There you have it folks. Get some rotors and happy days. 

Stay posted.


Owner of 1HA-8OI - EZ30 swapped, 6MT (TY856) converted gen 3 sedan. 

Build thread: http://www.subyclub....ms-legacy-rs30/

BBS/Enkei - Apex'i - HKS - STI Genome - Mantic Clutch - Xtreme 

#1 - Subyclub Melbourne! 


#6 Barbbachello

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Posted 09 April 2019 - 08:43 AM

Dickass


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#7 RX25SE

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Posted 09 April 2019 - 08:58 PM

Have you considered the relationship between the master cylinder bore diameter and the caliper piston diameters?


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#8 Asymmetry

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Posted 11 April 2019 - 02:45 PM

Yeah no, want cheap good brakes the 4 pot WRX are fine, guaranteed fitment.

 

If in a crash and not engineered you're dog boned.



#9 Beckers

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Posted 11 April 2019 - 10:27 PM

Yeah no, want cheap good brakes the 4 pot WRX are fine, guaranteed fitment.

 

If in a crash and not engineered you're dog boned.

Yes for everyday normal driving, you are correct.

But when you hit the hills with your m8's, the wrx 4 pots just dont cut it.

I had the wrx brakes, cooked them.

Now got brembo front and wrx 2 pot rears, Intima SR6300 pads and DBA t3 rotors.

On an Alpine cruise weekend a few weeks ago, cooked the brakes on one long downhill section.



#10 Asymmetry

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Posted 12 April 2019 - 02:44 PM

Yes for everyday normal driving, you are correct.

But when you hit the hills with your m8's, the wrx 4 pots just dont cut it.

I had the wrx brakes, cooked them.

Now got brembo front and wrx 2 pot rears, Intima SR6300 pads and DBA t3 rotors.

On an Alpine cruise weekend a few weeks ago, cooked the brakes on one long downhill section.

Need better pads. I used Ferodo DS2500, never had a issue with them. 4pots are the same on R32 GTRs they are ok with the right pads and rotors.

 

Car has brake cooling ducts? 







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