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Re: DOT 5 Brake fluid?
[Re: cudabitten]
#1459666
06/28/13 06:51 PM
06/28/13 06:51 PM
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Joined: Jan 2003
Posts: 7,489
Minnesota
Hemi_Joel
master
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master
Joined: Jan 2003
Posts: 7,489
Minnesota
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DOT 5 is the best! I have been using it for over 30 year with no problem. One car was parked for 23 years with DOT 5 in it, pulled it out of storage, fixed the motor and drove it from minnesota to florida and back without touching the brakes. Try that with DOT 3, you would be rebuilding the whole system from moisture damage. Wilwood says not to use it in their brakes, I do anyway. No problems in 10 years with it in my wilwoods. Go for it! 
[img]http://i.imgur.com/boeexFms.jpg[/img]31 Plymouth Coupe, 392 Hemi, T56 magnum RS23J71 RS27J77 RP23J71 RO23J71 WM21J8A I don't regret the things I've done. I only regret the things I didn't do. "Wise men talk because they have something to say; fools because they have to say something. ~ Plato"
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Re: DOT 5 Brake fluid?
[Re: Hemi_Joel]
#1459667
06/28/13 08:24 PM
06/28/13 08:24 PM
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Joined: Jan 2003
Posts: 21,070
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,070
Niles , Ohio
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A lot of Dot 5s problems came years ago.The old seals and boots didnt like it.My buddy used it in his 69 and the master seal swelled.I used it in my 58 when I did all new brakes on my 58 HD in the early 90s.Its still in and works perfect.Dont mix it with other types.Rocky
Chrysler Firepower
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Re: DOT 5 Brake fluid?
[Re: cudabitten]
#1459668
06/28/13 09:47 PM
06/28/13 09:47 PM
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Joined: Apr 2012
Posts: 18,880
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RSNOMO
Moparts Torchbearer
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Moparts Torchbearer
Joined: Apr 2012
Posts: 18,880
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Quote:
Dot 5 fluid is easy on painted surfaces should it come in contact with them.
Yep...
Been using it for many years...
I'd never go back to DOT 3...
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Re: DOT 5 Brake fluid?
[Re: zrxkawboy]
#1459670
06/29/13 11:26 AM
06/29/13 11:26 AM
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Joined: Jan 2003
Posts: 3,920
n.e. pa.
65rbdodge
master
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master
Joined: Jan 2003
Posts: 3,920
n.e. pa.
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Quote:
Quote:
DOT 5 is a silicone brake fluid,and is the best stuff out there.Use it with no worries!
+1
+2
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Re: DOT 5 Brake fluid?
[Re: cudabitten]
#1459672
06/29/13 11:32 AM
06/29/13 11:32 AM
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Joined: Dec 2003
Posts: 22,696
Bitopia
jcc
If you can't dazzle em with diamonds..
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If you can't dazzle em with diamonds..
Joined: Dec 2003
Posts: 22,696
Bitopia
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I wonder how many no longer bother to respond to threads like this that pop up every 9? months, year after year, and how many people think incorrectly that little is left to be discussed?
Archiving one in depth brake fluid discussion would sure break the repeating cycle, IMO
This is not directed at OP or anyone special, but wonder if one searched first what they would find?
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
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Re: DOT 5 Brake fluid?
[Re: Pacnorthcuda]
#1459673
06/29/13 12:17 PM
06/29/13 12:17 PM
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Joined: Dec 2007
Posts: 18,157
Mass
DAYCLONA
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 18,157
Mass
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Quote:
DOT 4 user here. Never spilled a drop on paint, by accident anyway. Never had a fluid related problem. To me DOT 5 tries to solve a problem that doesn't exist.
Same here, I run ATE DOT4 Super Racing Blue in my brake systems and hyd clutch set ups,...DOT5 is the preferred fluid for the collector/show car because it doesn't adsorb water, and being silicone based has an added advantage of a slightly higher boiling point than that of DOT3 and DOT4 fluids, and prolonged storage/non use makes it user friendly to the system...however DOT5 while not absorbing water/moisture, does absorb oxygen, which over a period of time makes the fluid aerated with micro air bubbles, causing a "spongy" pedal...
DOT4, is of the Glycol base, which puts it temperature operating wise, in the middle range of petroleum/mineral base DOT3, and Silicone DOT5, DOT4 is the preferred fluid for high performance braking systems, or systems that will see boiling points reached for extended time periods (as in road racing, or HP driving), where as DOT5 when nearing it's boiling point, if oxygen entrained, will diminish the line pressure in repeated braking, hence not often used in a performance braking system,...downside to DOT4 is it will absorb water, although at a much slower rate than than DOT3 fluids, there are modified DOT4 fluids, such as ATE Blue or Gold, that have higher/finer properties than "standard" DOT4's, but the costs are much higher, but the performance results are higher....
So, IMHO, DOT5 if your building a trailer queen, or garage ornament, showcar, anything of that nature...
DOT4 Racing fluids if your concerned with high/repeated performance braking use, and are using the car for it's intended purpose
I've run the gambit of fluids from DOT3 to DOT5 over the years, and while I like the paint protection that DOT5 offers, it pails in comparison to the repeated performance usage of modified DOT4's, anyone who's brought a braking system's fluid up to it's boiling point, and for extended periods will understand... 
Mike
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Re: DOT 5 Brake fluid?
[Re: cudabitten]
#1459674
06/29/13 02:13 PM
06/29/13 02:13 PM
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Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
torkrules
I'm neurotic
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I'm neurotic
Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
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Quote:
Hey I did a little research and thought I had read that the Dot 5 fluid is easy on painted surfaces should it come in contact with them. My system is completely empty so I have the choice of which Dot to go with. Any input???
Works great for me!
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Re: DOT 5 Brake fluid?
[Re: DAYCLONA]
#1459675
06/29/13 02:45 PM
06/29/13 02:45 PM
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Joined: Apr 2012
Posts: 18,880
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RSNOMO
Moparts Torchbearer
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Moparts Torchbearer
Joined: Apr 2012
Posts: 18,880
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Quote:
So, IMHO, DOT5 if your building a trailer queen, or garage ornament, showcar, anything of that nature...
In 20 years of road time, with Dot 5 from day one, I've experienced no change in pedal firmness...
The system has been flushed one time...
Dot 5's advantages far outweigh its disadvantages...
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Re: DOT 5 Brake fluid?
[Re: RSNOMO]
#1459676
06/29/13 02:48 PM
06/29/13 02:48 PM
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Joined: Feb 2003
Posts: 18,582
Rust Belt, SW PA
Silver70
I Live Here
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I Live Here
Joined: Feb 2003
Posts: 18,582
Rust Belt, SW PA
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If I start with everything new, I use dot 5. The worst part of it is the price. I think it has tripled in price since the first time I used it.
68 Road Runner, 69 Belvedere, 71 Challenger Vert
340 barracuda, 01 Ram CTD, 95 Ram, 04 Ram, 85 Daytona turbo Z
66 GTO, 06 Magnum RT AWD. 07 Ram CTD, 07 Ram
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Re: DOT 5 Brake fluid?
[Re: Silver70]
#1459678
06/29/13 03:53 PM
06/29/13 03:53 PM
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Joined: May 2008
Posts: 958
eastern, pa.
cudabitten
OP
super stock
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OP
super stock
Joined: May 2008
Posts: 958
eastern, pa.
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Quote:
If I start with everything new, I use dot 5. The worst part of it is the price. I think it has tripled in price since the first time I used it.
Checked it out at Pep Boys yesterday, Dot3 is 3.99, Dot 4 is 5.99 and Dot 5 is 9.99.
The price doesnt bother me too bad since I don't plan on replacing it for a long time maybe never.
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Re: DOT 5 Brake fluid?
[Re: cudabitten]
#1459679
06/29/13 04:13 PM
06/29/13 04:13 PM
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Joined: Jul 2003
Posts: 1,212
Canton, Ohio
Crazy68Dart
pro stock
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pro stock
Joined: Jul 2003
Posts: 1,212
Canton, Ohio
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I just finished bleeding the brakes on the Dart, brand new system with DOT 5 (da purple stuff  ). Brakes seem to work, although it seemed more challenging to get the air out.
383, Hemi 4-Speed, AlterKtion, D60
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Re: DOT 5 Brake fluid?
[Re: Crazy68Dart]
#1459680
06/29/13 07:30 PM
06/29/13 07:30 PM
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Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
torkrules
I'm neurotic
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I'm neurotic
Joined: Nov 2003
Posts: 2,715
closer to Canadian beer!
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Quote:
I just finished bleeding the brakes on the Dart, brand new system with DOT 5 (da purple stuff ). Brakes seem to work, although it seemed more challenging to get the air out.
Trick is to not jar the bottle too much. It does tend to foam up if the bottle is jostled too much.
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Re: DOT 5 Brake fluid?
[Re: jcc]
#1459683
06/30/13 01:33 PM
06/30/13 01:33 PM
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Joined: Mar 2003
Posts: 9,099
Rogue River, OR
Jeremiah
master
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master
Joined: Mar 2003
Posts: 9,099
Rogue River, OR
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Quote:
Quote:
I use it in my hot rod, my "restoration", daily driver, etc. It is pricey but works great for cars that are irregularly driven.
So you drive your "daily driver" "irregularly"? 
I don't buy into your senseless trolling. I remember way back when you used to be cool. Not sure what happened in your life to make you act like this? Let's pretend that's not my thumb. 
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