I will be investing in a akebono setup for the fronts only. I would potentially like to convert my front calipers to be used as rears. Anyone know anything about the subject?

 

Subscribed for more info as well.

 

You'll need to take the specs from the whole set up (rotor sizes, # caliper pistons, piston size, pad size, etc. etc.) and plug them into the brake bias calculator to find out if you will screw up the brake bias. Putting too much bias in the rear could cause premature lockup of the rears under heavy braking, leading to loss of stability and spins. EBFD (Electronic Brake Force Distribution) and VDC might compensate somewhat, but if you go beyond the limits of what the electronic aids can handle, they won't be able to make up the difference.

Here's the calculator:
http://www.tceperformanceproducts.co...alculator.html

 

I understand this concern; however the full akebono setup is equipped with BOTH front and rear 14 inch rotors. I highly doubt placing my stock front rotor caliper (1 pot - 11.2 inch) in the rear; while having a 14 inch 2 pot rotor/caliper in f
the front will create a situation of having a rear biased brakin system.

Specifications may or may no be true, it's just off the top of my head.

 

Going to that much trouble to custom fit one front caliper isn't worth the extra calcuations in order to size the right dia rotor and custom bracket. (to get the bias back to something reasonable)

Just get the front and rear kit and rest assured you got a package that actually works. Because whatever little r&d you have done/will do will pale in comparison what was spent on the oem front/rear Akebono combo.

 

There's more to the equation than just rotor size. For instance, the Akebono setup, though it may have larger rotors, might have small pads and smaller pistons to reduce the torque on the rear. Even though your front setup is 1 pot and 11.2" doesn't mean it doesn't produce a lot of brake torque. Unfortunately, it's not as simple as you make it out to be. That'd be some costly trial and error if you put them on and find out they don't work like you hoped.

 

larger rotor size is mostly for dissapating heat....larger they are the more they can dissapate and the more brake pad surface you can apply if they will vent the heat better.

Brake master cylinder may apply different pressure to the fronts/rears as well. Not sure of how the master is setup on our cars.

I bet if you are able to fit the front brakes on the rear (custom bracket) that you would have too much pad surface area and will create a bias like 60/40 instead of the 80/20 that you normally need.

 

Brake pressure won't be different due to different master cylinders, but feel (amount of pedal force required) will be. The pressures F/R are proportioned electronically by the EBFD system, but generally stay within the factory bias.

And actually, the factory bias (depending on year) is closer to 65/35 than it is to 80/20. I put in the measurements for the '04 models, the 05-07 models and the 08 w/Akebonos, and it varies from 63/37 ('04 w/o Brembo) up to 68/32 for the Akebonos. My guess is you will end up closer to 50/50 with the setup being proposed by the OP, but again, you have to plug in all the numbers to be sure.