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  #1  
Old 05-10-2008, 07:51 AM
t walgamuth's Avatar
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The new non silicone synthetic brake fluid compatable with natural rubber?

Anybody know definitively if the new synthetic brake fluid is compatible with natural rubber brake parts?

Tom W

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..I also have a 427 Cobra replica with an aluminum chassis.
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Old 05-10-2008, 10:23 AM
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Do you mean the silicone labeled brake fluid or the synthetic labeled ones? I have silicon on two MGs and it is not corrosive or reactive, but I don't have natural rubber. If you have a brand and type, perhaps you can find a Material Safety Data Sheet (MSDS) for it on the web and see what it reacts with.

Bert
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  #3  
Old 05-10-2008, 10:42 AM
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The DOT number will tell you if it's compatible.
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  #4  
Old 05-10-2008, 12:34 PM
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And what dot number is compatible with natural rubber, please? Or is there a place to look for a table.

Tom W
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #5  
Old 05-10-2008, 12:50 PM
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Quote:
Originally Posted by t walgamuth View Post
And what dot number is compatible with natural rubber, please? Or is there a place to look for a table.

Tom W
Except for DOT #3 and #4, I don't know which DOT numbers are compatible with natural rubber. The DOT does. I could google around for an answer, but so can you.
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  #6  
Old 05-10-2008, 01:14 PM
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OK, I googled and found a forum where they are fellows who do track days with their sprites and midgets. It looks as if the brit cars still use natural rubber. They recommended valvoline synpower 5.1.

I am looking for something which will not attack the paint on my collector car.

I think that will work.

Tom W
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #7  
Old 05-10-2008, 01:55 PM
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Quote:
Originally Posted by t walgamuth View Post
OK, I googled and found a forum where they are fellows who do track days with their sprites and midgets. It looks as if the brit cars still use natural rubber. They recommended valvoline synpower 5.1.

I am looking for something which will not attack the paint on my collector car.

I think that will work.

Tom W
Synthetic brake fluid doesn't attack the paint?
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  #8  
Old 05-10-2008, 01:59 PM
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There ya go.
I'm curious, have most cars stopped using natural rubber brake parts?
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  #9  
Old 05-10-2008, 02:56 PM
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Originally Posted by Chas H View Post
There ya go.
I'm curious, have most cars stopped using natural rubber brake parts?
American made cars have had synthetics for at least 30 years.

Tom Walgamuth
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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  #10  
Old 05-10-2008, 02:56 PM
t walgamuth's Avatar
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Quote:
Originally Posted by Chad300tdt View Post
Synthetic brake fluid doesn't attack the paint?
I hope not but I don't know for sure.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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