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Re: Which Brake Fluid Do I Use? [Re: Big Bad Bee] #2300740
05/07/17 04:18 PM
05/07/17 04:18 PM
Joined: Jan 2003
Posts: 6,531
Jacksonville, FL
Chris2581 Offline
master
Chris2581  Offline
master

Joined: Jan 2003
Posts: 6,531
Jacksonville, FL
I use DOT 5 in my cars and even with Wilwood brakes on the front of my Demon. Never any problems.


Nautilus Racing-
We use Superformance gaskets and Turbo Action converters/products.
Re: Which Brake Fluid Do I Use? [Re: dvw] #2300889
05/07/17 10:32 PM
05/07/17 10:32 PM
Joined: Mar 2003
Posts: 9,096
Rogue River, OR
Jeremiah Offline
master
Jeremiah  Offline
master

Joined: Mar 2003
Posts: 9,096
Rogue River, OR
Originally Posted By dvw
My Willwood brakes are on their 2nd drag car. Same calipers I've used since the mid 80's. Always have had and still running Dot 5. Never an issue.
Doug


Second that. I have dynalites on three cars with dot5 and they are excellent. We are switching to Cartel due to issues with the normal stuff we use getting lots of air.

Re: Which Brake Fluid Do I Use? [Re: Big Bad Bee] #2301279
05/08/17 06:08 PM
05/08/17 06:08 PM
Joined: Jan 2003
Posts: 1,944
Olympia, Washington
T
tallzag Offline
top fuel
tallzag  Offline
top fuel
T

Joined: Jan 2003
Posts: 1,944
Olympia, Washington
Have had bad luck lately with the repop drum brake master cylinders and DOT 5 FYI.


Rocket Restorations
Re: Which Brake Fluid Do I Use? [Re: tallzag] #2301380
05/08/17 10:11 PM
05/08/17 10:11 PM
Joined: Jan 2007
Posts: 7,664
IN
A
ahy Offline
master
ahy  Offline
master
A

Joined: Jan 2007
Posts: 7,664
IN
Which brake fluid? One answer would be whichever you like. Seems like the all have their + and -.

DOT3 has great tolerance for water and is readily available and cost effective.

DOT4 has higher boiling point when it is dry but not so good wet.

DOT5 silicone does not attack paint if spilled and does not absorb water. The water just collects in the low spots. Heaven help if you do need to repaint where it has spilled however.

I drive mine "hot" time to time and run DOT4. I also change it pretty often to get the water out. I have also touched up the inner fender where the MC leaked and messed up the paint. No issues boiling the fluid.

They all work 99.9+% of the time.

Re: Which Brake Fluid Do I Use? [Re: tallzag] #2301557
05/09/17 02:26 AM
05/09/17 02:26 AM
Joined: Mar 2003
Posts: 9,096
Rogue River, OR
Jeremiah Offline
master
Jeremiah  Offline
master

Joined: Mar 2003
Posts: 9,096
Rogue River, OR
Originally Posted By tallzag
Have had bad luck lately with the repop drum brake master cylinders and DOT 5 FYI.


I have been fighting with a new 15/16" disc brake master cylinder on our '67 300. I'm going to try a new master tomorrow after work. Very irritating lol.

Re: Which Brake Fluid Do I Use? [Re: ahy] #2301666
05/09/17 12:09 PM
05/09/17 12:09 PM
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
R
RapidRobert Offline
Circle Track
RapidRobert  Offline
Circle Track
R

Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
Originally Posted By ahy
Which brake fluid? One answer would be whichever you like. Seems like the all have their + and -.

DOT3 has great tolerance for water and is readily available and cost effective.

DOT4 has higher boiling point when it is dry but not so good wet.

DOT5 silicone does not attack paint if spilled and does not absorb water. The water just collects in the low spots. Heaven help if you do need to repaint where it has spilled however.

I drive mine "hot" time to time and run DOT4. I also change it pretty often to get the water out. I have also touched up the inner fender where the MC leaked and messed up the paint. No issues boiling the fluid.

They all work 99.9+% of the time.
Ding ding ding I do believe we have a winna.


live every 24 hour block of time like it's your last day on earth
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