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02-03-2020, 11:06 PM | #1 |
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Any issues with running the stock calipers without dust seals?
Hope the off-season is treating you guys well... at least the North Easterners and the Cold Climate Europeans.
So, I still didn't bite for a bbk because I'm dumb but I'm I can remove my dust seals and leave them off. I know debris and all becomes an issue but I plan on cleaning them out often. In terms of the calipers design/function would there be any issue running them without the seals? |
02-04-2020, 04:53 AM | #2 |
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I've tracked all my ///Ms over the past 19 years on the stock brakes with only track pads (even used the stock fluid) without issue. They are good enough for my use, so nothing for not wanting a BBK.
Can't comment on the dust seals though, as I never tried running without them.
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02-04-2020, 07:26 AM | #3 |
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Dust seals or dust shields? Are you referring to the seals around the pistons?
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02-04-2020, 06:23 PM | #4 |
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02-04-2020, 07:57 PM | #5 |
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I just installed these recently but have no feedback yet. Maybe give these a try?
RB High Temperature (Blue) Dust Boots for BMW F80 M3/M4 Front 4-Piston Caliper https://www.racingbrake.com/product-p/bb-43dbht.htm |
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02-05-2020, 07:41 AM | #6 |
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No I would not run without the them. What intervals are you replacing the boots, and are you only replacing the fronts when doing so? I would suggest at least trying the HT ones posted above as an intermediate step before jumping to a purpose-built caliper typically found in BBK's.
I ran my calipers with dried/cracked boots for over a season and ended up with pretty severe sticking on the front calipers. When i disassembled them there was significant dirt/brake dust buildup and minor scoring on the pistons themselves. The rebuild (boots and seals) was successful, but looking back I wish I would have done it sooner (before the cracks developed into visible holes) as there's really no protection on the pistons after those boots fail. |
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02-05-2020, 11:18 PM | #7 | |
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02-06-2020, 08:55 AM | #8 | |
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Btw, I bought the dust boots from rockauto, can't remember if they were cheaper or not, but they worked just fine. |
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02-06-2020, 11:12 AM | #9 | |
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It’s going to make you want to get a spec car of some sort for your track day needs. |
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02-06-2020, 04:48 PM | #10 | |
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I didn't care about the torn dust boot but this thread makes me nervous.
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I am still debating whether to drop money for MCS as I realize part alone is like $7k (is that right?). It's a lot of money to gain few sec that nobody cares lol. Instead it might be better to use that money for getting myself some nice cheap V8 like '01 SVT Cobra for V8 experience (never owned a V8) in grocery getting... |
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02-06-2020, 08:44 PM | #11 |
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02-07-2020, 12:27 AM | #13 |
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02-07-2020, 07:03 PM | #14 |
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Ugh... I hope it's a 991 gen so it's fast
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02-08-2020, 02:59 AM | #15 | |
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08-03-2020, 09:55 AM | #16 | |
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08-05-2020, 01:23 PM | #17 | ||
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FYI I have been to a few track and autocross days and they still look new |
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08-05-2020, 03:33 PM | #18 | |
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On a positive note mine is working fine without ever replacing the torn boots and so far i haven't heard any F8x people having serious issues from not replacing them... |
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