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What do you plan on doing with the car? Posted by Ari [Email]  (#2847) [Profile/Gallery]
(more from Ari) on Sun, 20 Apr 2008 15:05:16
In Reply to: DIY Front Brakes, Gordon  [Profile/Gallery]
, Sat, 19 Apr 2008 11:34:40
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Basically, do you plan on racing, or just spirited driving?
Brembo makes a good rotor. I put in Brembos because they cost a bit less than stock in most cases. Stock or aftermarket, the rotors are vented on most of the recent cars.
OK, what about cross-drilled? Not a bad idea if you're racing. Not so much if you're driving on public roads, even in a spirited way. Cross-drilled rotors have less surface are - holes don't brake. The holes improve cooling and reduce brake fade. But I normally don't run into brake fade in public road driving. On a race course where you will be doing maximal braking on the order of two or three times a lap, and a lap takes a minute and change, then yes, rotors are going to get hot after a few laps. But on public roads, if you're driving like that, chances are the cops are going to be very interested. Also, cross-drilled rotors have less material, so if they do heat up, they're more prone to warping.
Same with brake pads. I like stock pads, or similar aftermarket 'stock like' pads. I'm not a big believer in highly metallic pads - they can squeal, they wear out rotors, and most of all, they don't work well until they've been warmed up. Again, great for racing where you can warm them up, and then they work great. But in normal driving, you can get some pretty poor braking if you haven't been on the brakes for a while. I use them on my Sonett for track work, but they're scary on the road.
Ceramic pads have a good rep for producing less dust than organic pads. I haven't used them, but they seem to be about the same as good organic (non-metallic) pads.
So, if you're going to be on a race track, or your drive to work is down the Angeles Crest Highway (a beautiful driving road), or regularly drive down the Mount Washington access road, then think about slotted/cross-drilled rotors. That's where brake fade may be an issue. In my opinion, for street driving, even 'spirited' street driving, normal rotors don't show any fade. Ceramic pads are fine - they really aren't super high performance, despite the name; the big advantage is less dust.
posted by 75.58.113...
, Sat, 19 Apr 2008 11:34:40, Sun, 20 Apr 2008 15:05:16 <-- Viewing This Message
, Sat, 19 Apr 2008 13:32:14
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