Re: Anyone convert to SILICONE break fluid ?
[Re: biggE]
#2908982
04/11/21 10:06 AM
04/11/21 10:06 AM
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Joined: Jan 2003
Posts: 12,171 Benton, IL.
DaveRS23
Special needs idiot
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Special needs idiot
Joined: Jan 2003
Posts: 12,171
Benton, IL.
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I have used nothing but the silicone fluid in my muscle cars for 20 years or more. Mostly so I didn't damage the paint anywhere. But I don't use it in any of my driver vehicles. No advantage there for me.
If you do convert, be sure to flush the entire system with alcohol and them blow the system dry with air. As mentioned, don't mix the different kinds.
Master, again and still
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Re: Anyone convert to SILICONE break fluid ?
[Re: DaveRS23]
#2908988
04/11/21 10:18 AM
04/11/21 10:18 AM
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Joined: Sep 2007
Posts: 1,053 Ont, Canada
gygeneral
super stock
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super stock
Joined: Sep 2007
Posts: 1,053
Ont, Canada
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I have used nothing but the silicone fluid in my muscle cars for 20 years or more. Mostly so I didn't damage the paint anywhere. But I don't use it in any of my driver vehicles. No advantage there for me.
If you do convert, be sure to flush the entire system with alcohol and them blow the system dry with air. As mentioned, don't mix the different kinds. Agree, I converted when restoring my car, every component had not been used and clean.
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Re: Anyone convert to SILICONE break fluid ?
[Re: DaveRS23]
#2908989
04/11/21 10:25 AM
04/11/21 10:25 AM
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Joined: Jun 2003
Posts: 21,450 It's a dry heat
gtx6970
Too Many Posts
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Too Many Posts
Joined: Jun 2003
Posts: 21,450
It's a dry heat
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I have used nothing but the silicone fluid in my muscle cars for 20 years or more. Mostly so I didn't damage the paint anywhere. But I don't use it in any of my driver vehicles. No advantage there for me.
If you do convert, be sure to flush the entire system with alcohol and them blow the system dry with air. As mentioned, don't mix the different kinds. Same here. But ONLY when everything is brand new
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Re: Anyone convert to SILICONE break fluid ?
[Re: lewtot184]
#2909033
04/11/21 12:14 PM
04/11/21 12:14 PM
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Joined: Jan 2011
Posts: 15,902 Central Florida
larrymopar360
Stud Muffin
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Stud Muffin
Joined: Jan 2011
Posts: 15,902
Central Florida
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Converted a long time ago to silicone BREAK (?) fluid. First time I was flushing brakes completely. In fact aren't the shelves in stores almost solely silicone fluid now? I use DOT 3 (whole new can of worms)
Facts are stubborn things.
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Re: Anyone convert to SILICONE break fluid ?
[Re: larrymopar360]
#2909057
04/11/21 01:23 PM
04/11/21 01:23 PM
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Joined: Sep 2014
Posts: 1,408 Central Pa
moparjim79
pro stock
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pro stock
Joined: Sep 2014
Posts: 1,408
Central Pa
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Converted a long time ago to silicone BREAK (?) fluid. First time I was flushing brakes completely. In fact aren't the shelves in stores almost solely silicone fluid now? I use DOT 3 (whole new can of worms) No, its synthetic now.
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Re: Anyone convert to SILICONE break fluid ?
[Re: dOoC]
#2909114
04/11/21 03:29 PM
04/11/21 03:29 PM
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Joined: Jan 2011
Posts: 15,902 Central Florida
larrymopar360
Stud Muffin
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Stud Muffin
Joined: Jan 2011
Posts: 15,902
Central Florida
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DoC iF YoU hAnG oUT At SoMe SHoPs MaYbE tHeY wIlL gIvE yOu sOmE uSeD DoT3
Facts are stubborn things.
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Re: Anyone convert to SILICONE break fluid ?
[Re: biggE]
#2909139
04/11/21 04:37 PM
04/11/21 04:37 PM
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Joined: Jan 2003
Posts: 25,886 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,886
Rio Linda, CA
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I was told by the place that I use to rebuild master cylinders and boosters that mixing DOT 5 with regular brake fluid will cause the fluid to gel. They said that you must remove all traces of the standard fluid to keep this from happening. E-booger says: Tech Question Gary Boak, Chilliwack, BC, Canada, 1969 Dart Swinger 340 I notice in the April 04 issue you say that DOT 5 brake fluid can be used without flushing the system. Everything I have heard and read states that Dot 5 does not mix with anything except DOT 5. When switching to DOT 5 are you not supposed to use new rubber? Gary- Another old wive's (or Mopar Muscle) tale. First, realize that DOT specs don't specify the composition of the fluid, the rating relates only to the boiling point. So, therefore, it would be possible to have DOT 3 fluid that's silicone, and DOT 5 that's not (and this latter combination does exist.) These specs are covered in detail in Federal Motor Vehicle Safety Standard section number 571.116, which is part of the Code of Federal Regulations, #49, Chapter V Subchapter S6.5.4 addresses miscibilty, specifying that the fluid being tested must mix with a standard type fluid, and this miscibilty test DOES apply to DOT 5 fluids, and can't gel, swell cups, etc. when mixed. So there!"
The INTERNET, the MISinformation superhighway
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Re: Anyone convert to SILICONE break fluid ?
[Re: John_Kunkel]
#2909149
04/11/21 04:51 PM
04/11/21 04:51 PM
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Joined: Apr 2005
Posts: 4,923 new berlin wisconsin
Mr T2U
master
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master
Joined: Apr 2005
Posts: 4,923
new berlin wisconsin
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JK you are CORRECT. the 2 different fluids won't cause each other to gel. the 2 different fluids won't mix with each other also. they also have a slightly different compression rate so mixing A LOT of the 2 fluids together can give you troubles.
i have replaced regular brake fluid with silicone on a LOT of old vintage cars without flushing anything. i just remove as much fluid from the master as i can. them pour the DOT 5 in. now bleed the brakes until you see the DOT 5 come out of the bleeders.the DOT 5 will push most of the old fluid out of the system without giving you any troubles. after doing this to all 4 wheels i start over and bleed another cup or more of fluid from each wheel just to make sure the old stuff is out. i also like to tap on the brake lines to get any small air bubbles out that like to hide in sharp bends of the brake lines.
keep in mind DOT 5 brake fluid RETAINS AIR just like the old fluid does water. this is why you can't use it on ABS cars. i also like to heat up the new DOT 5 in a pan of hot water to force any air mixed into the fluid when it sits on the shelf or shaken up during shipping.some installers don't do this and can never gets the brakes bled properly. this is why DOT 5 brake fluid gets such a bad rap.
DO A SEARCH on DOT 5 brake fluid. this subject popped up a lot in the past so there are multiple threads with the exact same info already here.
Last edited by Mr T2U; 04/11/21 04:55 PM.
perception is 90% of reality
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Re: Anyone convert to SILICONE break fluid ?
[Re: Mr T2U]
#2909167
04/11/21 05:31 PM
04/11/21 05:31 PM
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Joined: Dec 2005
Posts: 11,621 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,621
Fulton County, PA
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I wouldn't use it unless it was specified - some motorcycles, etc. - or the system was all new and/or rebuilt. No advantages and a number of disadvantages for me. DOT 4 or 5.1 if you need the higher boiling point. Your requirements may differ. Doc gonna do some breakdancing?
Last edited by CMcAllister; 04/11/21 05:33 PM.
If the results don't match the theory, change the theory.
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Re: Anyone convert to SILICONE break fluid ?
[Re: dOoC]
#2909200
04/11/21 07:55 PM
04/11/21 07:55 PM
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Joined: Jan 2011
Posts: 15,902 Central Florida
larrymopar360
Stud Muffin
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Stud Muffin
Joined: Jan 2011
Posts: 15,902
Central Florida
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LarryLOVEit... you must have been VERY TIRED typing that ALL OUT ! The humidity in Florida is a DOT3 fluid killer ... and THAT is a phenolic piston SWELLER No PhEnOlIc PiStOnS FoR Me. SteEl.
Facts are stubborn things.
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Re: Anyone convert to SILICONE break fluid ?
[Re: dOoC]
#2909316
04/11/21 11:35 PM
04/11/21 11:35 PM
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Joined: Jan 2003
Posts: 1,043 Slidell, La.
doctor_mopar
super stock
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super stock
Joined: Jan 2003
Posts: 1,043
Slidell, La.
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I converted my Barracuda about 30 years ago when I put all new components . I have converted several other Mopars through the years , some with all new parts , and others by flushing fluid through , with great results both ways !
------------------------ It doesn't matter what you do.........As long as you look good doing it !
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