AP Racing Big Brake Kit Installed!

Ken in AZ · 08-12-2009, 06:22 PM

Quote:

Originally Posted by boosted180

hey travis. glad to hear the bbk completely eliminated your brake problems. can you explain a little more about how it's doing this? from the specs, it doesnt look like the kit is that much bigger than the sport brakes which are already pretty huge (14.25" vs. 14"). from comments made in other threads, it seemed more of an abs/ brake assist problem than with the actual calipers/ rotors/ pads themselves. would the 1/4" increase in rotor size make that much of a difference in heat dissipation to prevent the problem?

i'm kind of hesitant to do a bbk b/c of the cost, but if that's the only way to solve this problem, then i guess i dont have a choice.....

One thing to notice on the stock rotor versus the AP racing rotor is the fact that the AP kit uses a different internal vane structure that acts like a fan to draw the air from the inside of the rotor to more aggresively assist in the brake rotor cooling.

The stock rotors do this too but on a much smaller scale than the AP's. Couple this with the much larger mass of the stock rotor and yes they take longer to heat up but once they are hot - they will stay hotter longer making it more difficult to dissapate the heat.

Also as Travis points out - there is more pad contact with the rotor on the AP's - therefore there is less heat built up during brake pad application.

I'm sure someone with an engineering degree can come in here and explain better than us - but overall these are the contributing factors.

Oh - and I have the 370z sport akebono's on my 06 M45

Lovin every minute of em

Ken

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