08-25-2017, 03:21 PM | #45 |
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08-25-2017, 04:08 PM | #46 |
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Rear rotors are fine temperature wise
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08-26-2017, 05:36 AM | #48 |
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Are you tracking your car with traction control on?
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08-27-2017, 12:43 AM | #49 |
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08-27-2017, 01:46 PM | #50 | |
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08-27-2017, 02:18 PM | #51 |
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I only drive with race pads in track, and the first time was rather aggressive indeed !
I should perhaps (dare) drive(ing) it with DSC totally off, but a friend of mine already sent his car to the body repairman last time he did with too much enthusiasm ;-) |
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08-29-2017, 10:48 PM | #52 | |
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09-05-2017, 09:29 PM | #53 |
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IMO, definitely! Rear brake engagement during the few laps I've run with any DSC on has been pretty bad, and I've felt pad transfer after a single hot lap. I have a high speed, flat corner at my local track that is high enough on pucker factor that DSC poses more risk that benefit. I committed to just running DSC off on my second lap in this car and in an M2 it's easy to do!
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Last edited by TimOudin; 09-10-2017 at 10:05 PM.. |
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02-18-2018, 04:06 PM | #54 |
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Installed the 997 "ducts" today but they don't actually sit in any air flow (like they do on a 996/997)...are we sure they are actually doing anything?
Did everyone also cut the brake rotor shield to allow more air? When I checked, there's already a gap (albeit not a big one) which should allow air to flow to the inside of the rotor... Did anyone cut/trim the bottom of tray to allow for more air-flow to hit the duct? Either way, don't think its going to do any harm...just don't know how effective they will be |
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02-18-2018, 04:41 PM | #55 | |
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In my "scientific" testing over 25 track days last year, the air spoilers did hold off fade into hard sessions by about 5-min longer. The brakes also seemed to cool off quicker if you backed off half a lap when hot. I would still always get fade after 20-min, tho, so I just installed the AP Racing factory BBK to deal with longer sessions and open track days. Should solve the fade issue. My front OEM calipers were toast. Nearly black colored and had a sticking piston from dust boot trash. |
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02-18-2018, 04:54 PM | #56 |
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02-18-2018, 05:08 PM | #57 |
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My shop actually did the work. You’ll see several pics on the first page of this thread. They didn’t pull everything off so the plate looks a little gnarly, but it’s effective.
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02-20-2018, 12:55 PM | #60 |
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02-24-2018, 11:43 AM | #61 |
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Anecdotal evidence at best...but with 997GT3 "ducts", RS29s and SRF...I didn't experience any fade after almost 150-170 miles on track yesterday
Holy fuck, the gas tank in this car is smalll |
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02-24-2018, 06:04 PM | #62 |
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I was thinking of doing this, cut out 2 holes in the under panel. Next, bolt on 2 of these NACA ducts then use the brake ducting hose to connect to the brake cooling backing plates.
View post on imgur.com View post on imgur.com Problem is that no one sells this for the F87 M2 in the US. Does anyone know if there's any room for ducting above that under panel? http://www.bimmerworld.com/Brakes/Pe...RoC8BoQAvD_BwE
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02-24-2018, 06:37 PM | #63 |
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I contemplated this but absolutely no room unless you want the undertray to scrape asphalt. Went with this. Works incredibly well!!! DIY Brake Duct Project https://f87.bimmerpost.com/forums/sh....php?t=1404878
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08-30-2018, 08:49 AM | #64 |
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I m resurecting this post but does anyone have tested this solution :
http://www.revozport.com/f8x/rzp-bra...it.html#popup1 looks great but not sure if compatible :
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08-30-2018, 12:02 PM | #65 | |
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Looks great, but $690? Someone needs to come out with a simple non-extreme material kit that's less than $250. I'll buy that one. |
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08-30-2018, 04:54 PM | #66 |
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That will fit
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