Yes, but I was speaking of running cooling ducts to the brakes before going for the $$ of a BBK. Of course, for all I know you already have cooling ducts on your NSX . . .
I saw an article in the May issue of Roundel that advocated cooling before the BBK.
I just installed Brembo drilled rotors, stainless brake lines, high temp fluid and brembo pads. I'm using the stock calipers. I also installed Dali air ducts on the front brakes as well. They look like they are very functional and should do a good job cooling. I'll let you know how well my setup works after I get back from Willow Springs this Friday for an all day track event. I'm running 215/17 x 265/18 Kumho Ecsta Supras. Not a very good track tire, but I'll let you know the results anyhow.
I just installed Brembo drilled rotors, stainless brake lines, high temp fluid and brembo pads. I'm using the stock calipers. I also installed Dali air ducts on the front brakes as well. They look like they are very functional and should do a good job cooling. I'll let you know how well my setup works after I get back from Willow Springs this Friday for an all day track event. I'm running 215/17 x 265/18 Kumho Ecsta Supras. Not a very good track tire, but I'll let you know the results anyhow.
Are you using OE size rotors? If so, your braking capacity is probably reduced and your brake pads will not last as long.
Also check to make sure if the rotors are actually drilled OR cast with the holes. Other than massive BBK from Porsche and Brembo etc, I have not seen any brake rotors that have holes that serve any increased braking performance. I believe Porsche's 'holed' rotors are also bling bling... if thats not the case, its probably for unsprung weight reduction.
Btw, I've used Kumho 712 on the track numerous times. They are an ok tire for occasional track use. They get greasy after about 10 minutes after they get really hot.
Yes, I am using the stock calipers and the stock rotor size. The rotors and pads are from Brembo and I'm not sure if they are cast or drilled.
I wasn't assuming I would have better braking from the rotors. I know that drilled rotors are only to help gasses escape and are mainly for show. In fact they have a tendency to crack.
I'm not sure about your comment that my braking capacity will be reduced. How is that possible since I'm using softer "track compound" pads, stainless steel brake lines, high temp brake fluid and air deflectors?
I agree with your comment that the pads will not last as long since they are softer in order to provide more bite.
I'm not sure about your comment that my braking capacity will be reduced. How is that possible since I'm using softer "track compound" pads, stainless steel brake lines, high temp brake fluid and air deflectors?
Sorry, I meant that just the rotor vs. blank rotor. All your other changes should be fine. I'm running a similar setup using Carbotech P+ and Powerslot rotors which have 5 small cast grooves. I havn't had much fading issues on the track even after 25 minutes of hard driving. It really depends on the track too. I'd like to get a BBK, but I can't afford it right now. Do you have some additional info about the brembo pads you are using?
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With more heatsoak capability, a BBK will do precisely that.
