The dustier they are because the pads are working. If they stop working (or work less efficiently) then you'll have less dust. You should be greatfull for all the dust for that reason ... also isn't it better than getting a pad that doesn't wear but instead the disks do?
Afterall, that is how brakes on the car work. They work via friction of the disks and pads. The more friction the more wear (on the disk or the pad). The more wear from the pads, the more dust. If there's no dust, then there's no wear and hence not enough friction. Or the disks are getting worn instead of the pads.
Performance of brake pads and dust go hand in hand ... the better they stop, the more likely, and more dost they produce ... afterall, that's where the braking perfromance comes from.
Your right David, I didnt even think of the fact that its the pad wearing down as opposed to the disk... but there really is a ridiculous amount of dust appearing on the wheels, like im talking a 10min easy suburban drive and theres enough to wipe away !!
wonder how much the OEM pads are to replace then? assuming such a high rate of wear?
but there really is a ridiculous amount of dust appearing on the wheels
I'm sure that some pads might produce a little bit less dust, but all good pads will produce a fair bit of dust. Look at the race-cars on TV and notice a bucket of dust fall out of the wheel when they're doing a wheel-change.
wonder how much the OEM pads are to replace then?
Nissan wants about $400 for a pair. Not sure how long they last though ... I would think a reasonly long as they have a pretty large speed area. That is when driven on the street.
ps. I've got Ferrodo DS2500 at the front and Race Brakes 'Comp 2' at the back. They've done 4 track-days and still have about 1/2 the pad left.
Also RB74 should be worth a shot ... I had them on the S2000 and they were great. Also they were easier on the disks that 'Comp 6' Race Brakes pads.
I have read by many posters that the Hawk HPS pads do squeel - so no cigar for this driver. But others say no squeel???
WRT keeping the wheels cleaner, next wash for the Z, I will clay the wheels clean and then wax to see if that helps keep the dust from sticking to the wheels as much as it does now.
WRT pricing, I recall that the front Touring pads from Nissan are about $250 a pair but the Track owners get shafted to the tune of $400 by Nissan for Brembo pads!!!
I've done my research on brake pads and have descided that I will stick with the factory pads because:
1. I really only use the car on the road, not tracked often enough to justify high heat pads
2. I'd rather wear my pads than my rotors and seeing all that dust confirms that the majority of the wear is from the pads.
Axxis Ultimate pads came OEM with the StopTech's...no squealing and an acceptable amount of dust. I have heard good things about the Hawk pads, but have no persoanl experience to share. Mixed reviews on Greenstuff.
The factory pads tend to dust up very quickly because of how soft they are. Due to that soft compound, they don't need to be kept warm for peak braking efficiency (which makes them an excellent street pad) but it means that they don't cope with heat quite as well.
The sports pads tend to be a bit more metallic and harder. It means that they won't go off on you if you're hammering them, but they'll wear the rotor out faster and squeal when cold (since you're not getting the same amount of braking effect).
If you want to avoid dust when commuting, get sports pads. They might squeal, but should have relatively less dust. You'll notice that hard braking on cold pads won't be as good, but if you're commuting you're not panic stopping anyway so it shouldn't be a problem.
As an aside, the Brembos on the Z33 are the same brakes as on the GT-R (not sure which series, though) which might make finding pads a little easier.
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