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Old 06-24-2013, 09:45 PM   #1
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Hi-Temp Brake Fluid

Recently I have been reading up on High Temp. Brake Fluids for not only Tow Vehicles but other RV uses as well. With some mountain driving conditions coming up for us in the future, I think an extra edge of having this better than factory brake fluid would be a tremendous asset according to what I have read. One condition that people get confussed with a brake rotor out of round situation is, when the brake fluid gets hot, it causes the brakes to " chatter " under a heavy braking, thereby giving the driver a false reading as to what is actually going on. The better High Temp Brake Fluids helps to reduce and eliminate this condition. Wondering if anyone else has some experience with these products. High Temp Blue Brake Fluid.
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Old 06-24-2013, 10:03 PM   #2
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Just read a couple of reviews of guys who changed it on their cars and both reported the pedal pressure require to stop increased significantly. Both said the first time they stopped it scared them but after a couple of days, they liked it. Both were going to do some sort of pedal mod. I would guess to increase the length of the pedal arm.
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Old 06-24-2013, 10:14 PM   #3
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Quote:
Originally Posted by OldCoot View Post
Just read a couple of reviews of guys who changed it on their cars and both reported the pedal pressure require to stop increased significantly. Both said the first time they stopped it scared them but after a couple of days, they liked it. Both were going to do some sort of pedal mod. I would guess to increase the length of the pedal arm.
This topic is also in the PPP thread.

If I had any doubts at all about using this, just hearing that some sort of brake pedal mod may be needed is all I would need to walk away.

ymmv.
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Old 06-24-2013, 10:38 PM   #4
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I was a 12 year BMW CCA member and an owner of an older vintage BMW.

ATE racing blue brake fluid was recommended for years as an upgrade, but several years ago, there was a long term study done by the club and they found this fluid absorbed moisture faster than standard dot 4 fluid.

Most people who use the racing fluid change the fluid after each race, so the higher temp fluid was great for this, but not for street cars that only change the fluid every two or three years.

I used ATE racing blue in my car and my 01 Dodge 3500 for a number of years. I changed them everyother year and had no problem. At my last change, I went back to standard dot 4 fluid.

There was NO change in pedal height with ATE from my experience. If the fluid had not been changed for many years, I could see how the pedal feel would be so different. With so much air in the system, the brake pedal was probably really spongy feeling.

Thanks.

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Old 06-24-2013, 10:39 PM   #5
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Originally Posted by OldCoot View Post
Just read a couple of reviews of guys who changed it on their cars and both reported the pedal pressure require to stop increased significantly. Both said the first time they stopped it scared them but after a couple of days, they liked it. Both were going to do some sort of pedal mod. I would guess to increase the length of the pedal arm.
I believe all brake fluid these days, even from the factory, is high temperature due to the high temperatures brake pads produce.

As for more pedal pressure required to stop. It is all in their minds. You could use water, as long as it did not boil, and it would take the same pedal pressure to stop as any fluid would. Pressure is pressure, physics is physics. You can't change what can't be changed and fluid pressure in a brake system is one of those items.
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Old 06-24-2013, 10:49 PM   #6
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I believe all brake fluid these days, even from the factory, is high temperature due to the high temperatures brake pads produce.

As for more pedal pressure required to stop. It is all in their minds. You could use water, as long as it did not boil, and it would take the same pedal pressure to stop as any fluid would. Pressure is pressure, physics is physics. You can't change what can't be changed and fluid pressure in a brake system is one of those items.
I agree with you 100%, that the pressure should not change one iota.

I just quoted what the 2 guys reported.
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Old 06-25-2013, 12:20 AM   #7
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I know up here I like to use DOT4 LV http://www.pentosin.net/specsheets/Pentosin_Dot4_LV.pdf fluid in my car and DOT 4 in the truck (the car gets more use in the below -30 & colder temps) while the truck IMHO benefits from the higher boiling point of DOT4 -- Just remember do not mix DOT3/4 or 5.1 with DOT5 (Silicone based) -- they do not mix and may require significant effort to clean up / repair

IMHO Change your brake fluid every 24 months considering this for the truck on the next brake flush
ATE -Our Featured Product for Electronic Brake Systems

Dry boiling point Wet boiling point
DOT 3 205 C (401 F) 140 C (284 F)
DOT 4 230 C (446 F) 155 C (311 F)
DOT 5 260 C (500 F) 180 C (356 F)
DOT 5.1 260 C (500 F) 180 C (356 F)

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Old 06-25-2013, 11:09 PM   #8
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I changed the brake fluid in my 10 year old Dodge Ram 1500 and the difference in braking while pulling was amazing! I just used the stock fluid.
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Old 06-26-2013, 07:09 AM   #9
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Wow, never knew that there was so much to learn about brake fluids. Like most, I have always used whatever the factory put in at the factory and then changed same every couple of years when brake pads etc; wore out. The one thing that has bugged me about todays brake fluids is, why there seems to be some much rust and contamination from everyday brake fluids and then, don't ever get any on your factory paint. Got to be something better as most fluids from the factory are always based on economics, the cheapest has to be the best. Like someone said, brake fluid should not change pedal pressure, if it does then you still need to bleed them puppies and with a bleeder up to the task and not just mechanical. After replacing the rubber brake hoses with Stainless Steel Braided Carbon Fiber and then installing then High Performance Fluid, the 2500HD stops almost like a new Corvette, which I have done the same thing too and I don't have to worry about spilling some on the finish by mistake.
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Old 06-26-2013, 07:03 PM   #10
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Quote:
Originally Posted by OldCoot View Post
Just read a couple of reviews of guys who changed it on their cars and both reported the pedal pressure require to stop increased significantly. Both said the first time they stopped it scared them but after a couple of days, they liked it. Both were going to do some sort of pedal mod. I would guess to increase the length of the pedal arm.
I've used ATE Super Blue and Super Gold for years in my cars and love it. I originally started using them for track days on my BMWs but then soon realized that it makes flushes nicer too. Use Blue the first flush, then Gold the 2nd flush, Blue the 3rd, etc. With alternating the colors, you know when you've flushed out the old fluid.

As far as higher pedal pressures, I've never seen that in all the cars I've used it in.
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