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01-19-2014, 09:10 PM | #45 | |
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Track pads on the street will accelerate rotor and pad wear. Cold track pads eat rotor alive and most will not have much bite for the first 2-3 stops.
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01-19-2014, 10:24 PM | #46 | ||
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01-19-2014, 11:29 PM | #47 |
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I use Pagid RS19/29's and PFC 01 (and newer) pads exclusively because they don't damage your rims. I've only used Hawk's once (DTC-60's) and they're brutal.
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01-20-2014, 08:44 PM | #48 |
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Actually the dust is your mostly from your rotors and a little comes from the pads.
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01-21-2014, 06:06 AM | #49 | |
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The dust from the regular pads always seem to just wash off no matter how long it's left on. The dust from my PFC's....ate into my rims after the winter because I didn't bother washing them like I should have... Maybe something else in the equation? |
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01-21-2014, 07:36 PM | #50 |
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Yeah, I have black crud stuck on my wheels. My guess is the dust is much hotter and sticks to the wheels.
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01-22-2014, 04:55 PM | #51 |
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I live in Florida, so heat is an issue. Sebring is my home track, so speeds are high, the track is heavy on brakes. I drive in the red/instructor group, so I use the brakes pretty hard.
I'm one of those who finally installed a BBK (ST60), and kicked myself for not doing it sooner. I installed front BBK only. Excellent track performance and modulation with carboteck and Endless track pads. The street pads are very good too. I now get 6-8 track days out of a set of pads. I wouls have saved a lot of money if I had installed my BBK sooner. Also, I feel that I am not using the system at 100% of its capability, so I feel safer. Before that I went through all the time and money of: Motul brake fluid, track pads (Pagid Yellows, Carbotechs), cooked and replaced my OEM front calipers, added a Cantrell brake cooling kit. The cooling kit meant that the pads last 2 days instead of 1 day. And I felt I was running the OEM brakes at 110%.
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01-22-2014, 05:21 PM | #52 | |
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01-27-2014, 07:57 PM | #53 | |
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Thus, I would second the advice about using the race pads on the street for the minimal amount of time, and being very diligent about cleaning off the dust after an event. An alternative would be to buy a set of trashed second-hand wheels as your track wheels and just ignore the cosmetics! (I am also trying out this Armor All Wheel Protectant product (http://www.armorall.com/products/wheel-protectant/) to keep the brake dust from sticking to the wheels. I am very impressed but I have only used it once with track pads and track driving so far.) |
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02-04-2014, 12:38 AM | #54 |
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This is a very interesting discussion. Are those of you with BBKs finding that you run the same pad on track and street, or are most of you still swapping pads every time you go to the track?
Also, to the extent you still have to swap, are there any BBKs that make it exceptionally easy to swap pads? |
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02-04-2014, 12:42 AM | #55 | |
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02-04-2014, 08:50 AM | #56 |
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I like stoptechs because they are easier to fit a wheel over (compared to brembo, at least), have a removable bridge that makes pad swaps super easy, and are less expensive. I have had 380mm front stoptechs for a couple of years and would buy the same brakes if doing it over again.
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02-05-2014, 11:17 AM | #58 | |
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02-20-2014, 09:11 PM | #59 |
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Great information here. You will also want to start with pads and fluids just to get a feel for the car. It's important to know your limitations on something that will graciously tell you it's limits.
-Mike |
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02-21-2014, 03:07 PM | #60 |
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I just picked up ST40's for both front and rear and I can't help but notice the front rotors of the ST40 kit look smaller than then OEM's..
I haven't installed yet, or looked up the spec but just from initial looks I would think the OEM should/could perform better based on more surface area? The contact area of the st40 seems really thin. |
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02-21-2014, 04:43 PM | #61 | |
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02-21-2014, 04:54 PM | #62 |
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Stoptechs are 355x35 Fronts and 355x32 Rear
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02-21-2014, 04:56 PM | #63 |
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yeah i have e46 and all 4 are the same 355x32 i believe. sorry. been away from e90 m3 for a while. st-40 doesnt really indicate the rotor size as several are available for it.
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02-21-2014, 04:57 PM | #64 | |
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Maybe the 35mm width is how they make up for in height?
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