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Brake Fluid #1147020 12/30/11 07:14 PM 12/30/11 07:14 PM
Joined: Dec 2005 Posts: 130 North Carolina M Mikeymopar68 OP member
Mikeymopar68 OP member M Joined: Dec 2005 Posts: 130 North Carolina	I am in the process of restoring a 77 Warlock and will be replacing all the brake lines, wheel cylinders, calipers and master cylinder with new ones. Is there a brake fluid other than DOT 3 I can use that will not harm the paint finish if I spill some? I was thinking of using DOT 5 synthetic in the rebuilt system but are the brake system seals compatible?

Re: Brake Fluid [Re: Mikeymopar68] #1147021 12/30/11 07:31 PM 12/30/11 07:31 PM
Joined: Sep 2004 Posts: 491 B BLACKHEMIRR mopar
BLACKHEMIRR mopar B Joined: Sep 2004 Posts: 491	I've had synthetic in my Road Runner for 15 years and in my Fury for 3 years. I haven't had a single problem, but I'm sure you'll hear from somebody who has. I've heard that there are brake manufacturers who won't guarantee there parts if you use dot 5, but I don't know that for certain.

Re: Brake Fluid [Re: BLACKHEMIRR] #1147022 12/30/11 07:37 PM 12/30/11 07:37 PM
Joined: Jan 2008 Posts: 1,300 Washington 19cuda73 pro stock
19cuda73 pro stock Joined: Jan 2008 Posts: 1,300 Washington	Everything I've heard Dot 5 is the way to go. Thats what Im getting to put in the Cuda over the weekend. It has all new parts. 1966 Charger 383 4 speed (Black with Red interior) 1973 Cuda 340 4 speed (Lemontwist) 1972 Corvette

Re: Brake Fluid [Re: 19cuda73] #1147023 12/30/11 07:53 PM 12/30/11 07:53 PM
Joined: Sep 2003 Posts: 3,426 weymouth,mass. M meepmeep70 master
meepmeep70 master M Joined: Sep 2003 Posts: 3,426 weymouth,mass.	everything new and i used it(dot 5),no complaints,you can not mix them,but i do love that it won't hurt paint

Re: Brake Fluid [Re: meepmeep70] #1147024 12/30/11 10:25 PM 12/30/11 10:25 PM
Joined: Apr 2007 Posts: 905 SD Z zrxkawboy super stock
zrxkawboy super stock Z Joined: Apr 2007 Posts: 905 SD	First, all brake fluid is synthetic. DOT 5 is silicone-based, and the others are glycol-based. I have switched my vehicles to DOT 5 by sucking as much out of the MC as I can, filling with DOT 5, and then bleeding until I see purple at each wheel. No problems whatsoever. If anyone doubts compatibility, think of the assy grease that comes with wheel cyl kits, etc. It is silicone grease, and seems to do just fine in a glycol-filled system. It's Swifty! Swifty, you toad sucker!

Re: Brake Fluid [Re: zrxkawboy] #1147025 12/30/11 11:45 PM 12/30/11 11:45 PM
Joined: Aug 2005 Posts: 697 Central IL 70Sbird mopar
70Sbird mopar Joined: Aug 2005 Posts: 697 Central IL	Quote: First, all brake fluid is synthetic. DOT 5 is silicone-based, and the others are glycol-based. I have switched my vehicles to DOT 5 by sucking as much out of the MC as I can, filling with DOT 5, and then bleeding until I see purple at each wheel. No problems whatsoever. If anyone doubts compatibility, think of the assy grease that comes with wheel cyl kits, etc. It is silicone grease, and seems to do just fine in a glycol-filled system. I've done this many times, get all of the old stuff out of the M/C as you can and bleed until you see purple! NEVER had any issues in over 20 years and numerous cars!

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