alexthejew

as i have posted earlier, i acquired a set of the gt500 brembos. i plan to put them on my car, but since i am removing the stock front brakes, and since they are bigger than my rears, how much trouble would it be to use the stock fronts on the rears?


thanks

alex

AmericanSpeed

Not sure how much trouble that would be, but I do think that the GT500s actually use the same rear brakes as the GTs. That would lead me to believe that there isn't much of a benefit of the larger brakes in the back.

alexthejew

DUDE! larger brakes anywhere = better stopping times! its just unnecessary for drag racing. the super snake has bigger brake all around

Argonaut

I don't think it will work. The mount plate - the one that attaches to the spindle, is different.

Also - I won't claim to be an expert on the traction control system, ABS system and brake biasing in these cars but I'd be VERY weary of doing this. They are sensitive systems set up by Ford and you won't be able to change them, the biasing for example. They expect a certain difference between front and rear and you could easily cause issues. You can read on the StopTec site about these issues (not specifically S197 but rather the problems you can encounter when making changes to the factory brake systems).

Argonaut

Not necessarily. This is a big mis-conception. Read the following article: http://www.teamscr.com/grmbrakes.html

Its a long read but super informative. It explains that big brakes are primarily needed for handling heat, they do not increase stopping power. Also note that Robin Burnett, the American Iron champion this year, drives a S197 with stock brakes (calipers and rotor size).

157dB

offsets front to back.

+1
If you have ABS, I would not try GT front brakes mounted on the rears.
I do believe the rotor hats are different offsets between the GT front
and back rotors besides the caliper mounting brackets being 100%
different.

alexthejew

The same reason you want smaller rims is he reason you want bigger diameter brakes...heat is also a large part but bigger diameter equals better stop time

They do not increase stopping power but less power is needed for the same effect

alexthejew

my biggest concerns are the e-brakes and mounting them. i'm pretty sure they would work

AmericanSpeed

Great article (being an engineer, I really appreciated all the math reasoning, very informative for anyone) and pretty much exactly why I said that the benefits prob aren't worth the trouble. The rear brakes just really don't do much. The car's inertia causes the front of the car to dip which gives much more force pushing the front tires to the gound giving more friction and allowing the road to slow the tires. Same reason why a rear wheel drive car can do a standing burnout and fwd cars can't.