Rear Brembo Brake upgrade? - Page 2 - Ford Mustang Forum
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Originally Posted by mallen View Post
It might run a little cooler,but isnt most of it cosmetic if it uses the same caliper?
Not necessarily. Even with the same caliper, I believe since the rotor is larger, you're getting more leverage than with the smaller rotor. When I had my WRX, one of the upgrades was to use the caliper bracket and rotor from a certain model year Legacy but still retaining the original caliper. I noticed a definite difference in braking...instead of the nose diving, the whole car kind of just sat down.


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Steeda has a 13" rear brake rotor kit, uses the stock calipers, SS braided lines, new 13" rotors, and aluminum caliper brackets, all for $539.

Steeda 13" Rear Brake Upgrade Kit for 2005 and Up Ford Mustang 555-6007 555-6009
I know some guys have installed these on here; to me they seem like a lot of work to install (you have to pull the axle-shafts to install the brackets so that means pulling the diff cover and unclipping them so that means new diff fluid, etc.) For that much trouble I'd at least like to see the calipers match the fronts ....


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+1 on rear Brembos, apparently even the new 2013 Shelby GT500 doesn't have them on the rear; unbelievable...


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Quote:
Originally Posted by OAC_Sparky View Post
I know some guys have installed these on here; to me they seem like a lot of work to install (you have to pull the axle-shafts to install the brackets so that means pulling the diff cover and unclipping them so that means new diff fluid, etc.) For that much trouble I'd at least like to see the calipers match the fronts ....
^^^ This -- I believe that a lot of folks who are simply looking to increase the rear rotor size are going the Baer route because their kit doesn't require a total dismantling of the rear axle.

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Originally Posted by Asphalt Cowboy View Post
+1 on rear Brembos, apparently even the new 2013 Shelby GT500 doesn't have them on the rear; unbelievable...
You can't put a fixed-piston caliper like the front Brembos on a live rear axle without converting it to full-floating. That's why they use a slider, aside from the fact that the sliders work just fine in this application. You'll never fade your rear brakes. Or rather, by the time you're at a level where you can, you'll have gone to a different caliper just for pad compound choices.

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Quote:
Originally Posted by brycerichert View Post
Heck, even if it was just for cosmetic purposes I'd give it a thumbs up. The rotors on the back are pretty pathetic looking. They'd look ok with 16-17" wheels.
Agreed! Expecially on the 19 inch rims...

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Quote:
Originally Posted by devildog1679 View Post
Remember if you Chang the rear brakes to a bigger caliper you also have to change the brake proportioning valve.


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I'm glad someone mentioned that.

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There is no proportioning valve so not sure are you being facetious?

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Originally Posted by 908ssp View Post
Baer makes system that floats the axle so that the hub is fixed this allows the use of a none floating four pot caliper. I made my own system that floats the Brembo mono block four pot caliper so it works fine. I also used the 14" Baer rotors.

That is an awesome set up!!!!! Im trying to do the same set up as well.. Where did you get the small e-brake caliper from?
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Anyone else know where to buy some spot parking calipers??
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Quote:
Originally Posted by 908ssp View Post
There is no proportioning valve so not sure are you being facetious?
Don't think he's being facetious at all. In ancient times, when missing around with brakes of old, changing the size of the rear brake drums, changing to disk brakes, etc. required an adjustable proportioning valve to stop the rear brakes from locking up prematurely.

So in the computer age/anti-lock brake age, not sure what would repercussions would be.

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Originally Posted by Robot_Trainer View Post
Don't think he's being facetious at all. In ancient times, when missing around with brakes of old, changing the size of the rear brake drums, changing to disk brakes, etc. required an adjustable proportioning valve to stop the rear brakes from locking up prematurely.

So in the computer age/anti-lock brake age, not sure what would repercussions would be.
Not 100% but I think the new mustangs have Electronic Brakeforce Distribution which acts like a computer controlled proportioning valve.


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Quote:
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Not 100% but I think the new mustangs have Electronic Brakeforce Distribution which acts like a computer controlled proportioning valve.




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This makes sense.

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i wish there was an easy Brembo upgrade even just for looks on the rear!

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Quote:
Originally Posted by mallen View Post
It might run a little cooler,but isnt most of it cosmetic if it uses the same caliper?

Not at all. If you use the same caliper on a larger rotor you have the same clamping force applied further out from center on a larger circumference so the stopping force is increased as is the cooling.


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