|
BRZ First-Gen (2012+) -- General Topics All discussions about the first-gen Subaru BRZ coupe |
|
Thread Tools | Search this Thread |
10-10-2020, 10:28 PM | #1 |
Member
Join Date: Sep 2020
Drives: 2020 Subaru BRZ Sport-tech
Location: Toronto
Posts: 44
Thanks: 0
Thanked 3 Times in 3 Posts
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
|
Brake Fluid Advice - track use
Hi there,
New track driver here - just wanted to ask a few questions about brake fluid... 1. How often do you change your brake fluid? Each season or after a certain number of track days? 2. I'm currently running the stock brake fluid in the stock brembos, I've only done 4 track days with them but I want to change the fluid for something better for track use. Amy suggestions? dot4? 3. How much should it cost to get done at a shop? Thanks. Thanks Last edited by ThaDonJsuan; 10-10-2020 at 10:39 PM. |
10-10-2020, 11:49 PM | #2 |
Thanks
Join Date: Apr 2013
Drives: BRZ
Location: NY
Posts: 4,163
Thanks: 5,989
Thanked 3,100 Times in 1,498 Posts
Mentioned: 38 Post(s)
Tagged: 3 Thread(s)
|
I was happy with Castrol SRF. never boiled with AP racing sprint, stock power and 200 TW tires. So i just changed it start of the season.
__________________
|
10-11-2020, 07:32 AM | #3 |
Senior Member
Join Date: Jun 2020
Drives: 2020 Subaru BRZ TS
Location: Ontario, Canada
Posts: 219
Thanks: 63
Thanked 142 Times in 70 Posts
Mentioned: 2 Post(s)
Tagged: 0 Thread(s)
|
I have never tracked the car but would use the car manual recommended DOT. I'm also thinking brake fluid should be good for at least a season or until the next rotor/pad swap.
|
10-12-2020, 08:21 AM | #4 | |
Thanks
Join Date: Apr 2013
Drives: BRZ
Location: NY
Posts: 4,163
Thanks: 5,989
Thanked 3,100 Times in 1,498 Posts
Mentioned: 38 Post(s)
Tagged: 3 Thread(s)
|
Quote:
OEM fluid is a waste of time at the track. And pads for that matter after your first track day, or less.
__________________
|
|
10-12-2020, 08:33 AM | #5 |
Senior Member
Join Date: May 2011
Drives: '23 BRZ
Location: Providence, RI
Posts: 4,584
Thanks: 1,376
Thanked 3,890 Times in 2,032 Posts
Mentioned: 85 Post(s)
Tagged: 0 Thread(s)
|
I've never had any problems running name-brand off-the-shelf parts store DOT4 (lately I've also used parts store Wagner DOT5.1). I'll start the track season with a full flush with new fluid. I take fluid with me to the track to bleed if necessary, but typically can get 6-8 track hours usage before having to bleed brakes.
|
10-12-2020, 10:05 AM | #6 |
JHerbert Racing
Join Date: Feb 2013
Drives: 2013 Scion FRS
Location: Syracuse NY
Posts: 1,425
Thanks: 769
Thanked 1,186 Times in 593 Posts
Mentioned: 20 Post(s)
Tagged: 3 Thread(s)
|
RBF 600 or 660 is always a good budget bet. I flush mine in the beginning of the track season, then again halfway through.
__________________
|
The Following User Says Thank You to Takumi788 For This Useful Post: | NoHaveMSG (10-12-2020) |
10-12-2020, 10:30 AM | #7 |
Member
Join Date: Aug 2018
Drives: '20 Tundra, '84 SpecE30
Location: OH
Posts: 38
Thanks: 37
Thanked 21 Times in 14 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
Castrol SRF may be pricier upfront, but I ran it in the STI and would change it once a season. That wet boiling point is unmatched, which imo is the most important temperature to consider.
|
10-12-2020, 10:58 AM | #8 |
Senior Member
Join Date: Jan 2018
Drives: Crapcan
Location: Oregon
Posts: 11,145
Thanks: 18,142
Thanked 16,306 Times in 7,369 Posts
Mentioned: 107 Post(s)
Tagged: 0 Thread(s)
|
Highly recommend picking up a power bleeder with the appropriate master cylinder adapter. Makes the job a breeze.
https://www.motiveproducts.com/colle...r-bleeder-kits
__________________
"Experience is the hardest kind of teacher. It gives you the test first and the lesson afterward." -Oscar Wilde.
|
The Following User Says Thank You to NoHaveMSG For This Useful Post: | thomasmryan (10-22-2020) |
10-12-2020, 11:06 AM | #9 |
Senior Member
Join Date: May 2011
Drives: '23 BRZ
Location: Providence, RI
Posts: 4,584
Thanks: 1,376
Thanked 3,890 Times in 2,032 Posts
Mentioned: 85 Post(s)
Tagged: 0 Thread(s)
|
Bears repeating:
Off-the-shelf DOT4 or DOT5.1 has never let me down at the track (even in a 550hp FD RX-7), lasts multiple track events (sometimes whole season for me, sometimes mid-season caliper-bleed required), inexpensive and readily available. Spend more if you want to, but most likely won't see any real benefit... Particularly "new track driver" in modestly-powered car with massive Brembo brakes! |
10-13-2020, 02:27 AM | #10 |
Member
Join Date: Nov 2017
Drives: 2013 Subaru BRZ
Location: Vancouver
Posts: 14
Thanks: 1
Thanked 1 Time in 1 Post
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
1. How often do you change your brake fluid? Each season or after a certain number of track days?
Depends on the brake fluid you're running. I tried using Motul 600 at a suggestion from others and boiled it in 4 laps and I needed to bleed it pretty much after a single session (not day a single 20 min session). The Castrol SRF stuff I switched to I think can last me the whole season without bleeding. I'm at 4 track days and 4 time attack events on them and its still fine. You'll know it needs to be bled because your brakes feel like ass. I've found once you boil brake fluid it never really goes back to normal until you re-bleed. 2. I'm currently running the stock brake fluid in the stock brembos, I've only done 4 track days with them but I want to change the fluid for something better for track use. Amy suggestions? dot4? Definitely upgrade brake fluid. Depending on how fast of a driver you are and how often you track something like Castrol SRF might be a good choice as it lasts a long time. If you only go once or twice a year ATE Typ 200 might be a better choice. 3. How much should it cost to get done at a shop? I've not done it at a shop but I purchased a power bleeder for ~100 bucks and I just do it at home, takes like 10 mins. |
10-13-2020, 08:40 AM | #11 |
Senior Member
Join Date: Mar 2018
Drives: 17 Asphalt 86
Location: Ottawa
Posts: 2,165
Thanks: 1,706
Thanked 2,198 Times in 1,125 Posts
Mentioned: 13 Post(s)
Tagged: 0 Thread(s)
|
DOT4/DOT5.1 should be enough.
RBF600/660 is an option but I find it expensive for my application. Mainly street/occasional track setup. I bought 2 liters of motul 5.1 for something like $30CAD. 1 liter was used when I flushed the system. |
10-13-2020, 08:57 AM | #12 | |
Senior Member
Join Date: May 2011
Drives: '23 BRZ
Location: Providence, RI
Posts: 4,584
Thanks: 1,376
Thanked 3,890 Times in 2,032 Posts
Mentioned: 85 Post(s)
Tagged: 0 Thread(s)
|
Quote:
So to RE-repeat: off-the-shelf name-brand DOT4 or DOT5.1 is gonna be just fine for OP... Last edited by ZDan; 10-13-2020 at 11:21 AM. |
|
The Following User Says Thank You to ZDan For This Useful Post: | NoHaveMSG (10-13-2020) |
10-14-2020, 10:51 AM | #13 | |
Senior Member
Join Date: Jun 2019
Drives: 2013 BRZ Sport-Tech
Location: Toronto
Posts: 354
Thanks: 184
Thanked 179 Times in 121 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
|
Quote:
Still, I wouldn't say no to name brand dot 4/5.1. Motul stuff is too expensive for my tastes. 2-3x as much as ATE200 where I've looked. |
|
10-14-2020, 12:30 PM | #14 | ||
Senior Member
Join Date: May 2011
Drives: '23 BRZ
Location: Providence, RI
Posts: 4,584
Thanks: 1,376
Thanked 3,890 Times in 2,032 Posts
Mentioned: 85 Post(s)
Tagged: 0 Thread(s)
|
Quote:
That was my one foray into "specialized" brake fluid. IMO it's overprescribed and overused and in most cases for tracked cars, totally unnecessary. Quote:
|
||
|
|
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
CSG Brake Thread - Expert Tuner/Motorsport Brake Advice & Experience | CounterSpace Garage | Brakes, Suspension, Chassis | 14 | 10-23-2019 12:54 PM |
Advice for leaked brake fluid from front lower caliper pin? | EndlessAzure | Issues | Warranty | Recalls / TSB | 17 | 08-26-2019 08:11 PM |
Brake Pads and Fluid For DD/AutoX/Track Days/HPDE | ToyoburuBRZ | Suspension | Chassis | Brakes -- Sponsored by 949 Racing | 29 | 07-23-2016 03:59 PM |
Local shop selling Motul 300V, high end brake fluid, etc. for track? | mike_ekim1024 | Northern California | 12 | 03-09-2014 02:08 PM |
Track Day Brake Fluid | Skorov | AUSTRALIA | 2 | 11-11-2012 07:10 PM |