47-59 DOT 5.0 brake fluid question

[mr48chev]

I had to read that a couple of times to make sure that I did not have the wrong answer and then studied up on dot 5 brake fluid a bit.

What I found is that dot 5 is not compatible with Viton but does not eat paint nor does it absorb water like dot 3 does and the boiling point is a tad higher than others but it does not have the same properties as silicone brake fluid. Remembering that Silicone brake fluid was first sold on Corvettes and the big deal was that if you spilled it on paint it didn't eat the paint like Dot 3 does. Street rodders went for that whole hog.

In the end my thougts are that on your hoses from your remote reservoirs the hoses are just not sealing right on the fittings on the master cylinder for one reason or another. Either hose size vs fitting size, clamp design or hose composition. My other thought is if there is the least bit that brake fluid can leak brake fluid will find that least bit place. Even without pressure the same setup that will seal off gas, oil or coolant may not handle brake fluid.