Quote:
Originally Posted by dared3vil0
I really don't know where to put this but does anyone know if mixing RBF600 with another DOT 4 fluid is okay? I want to bleed with it before the next track day on the 16th but I don't want to do a complete flush from the ATE TYP 200 i'm currently running.
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As far as compatibility is concerned -- that is, whether anything will break -- there are no issues. As a matter of fact, IIRC, RBF600 is labelled as a DOT 4 brake fluid. For what it is worth, DOT 3, 4, and 5.1 are all compatible. It is the DOT 5 silicone based fluid that is incompatible with the 3, 4, 5.1 stuff.
What will end up happening is, when you mix a high temp brake fluid with a lower temp brake fluid, the resulting mixture will give you a lower boil point than the high temp fluid. In that sense, you are "wasting" the high temp fluid's potential to handle higher temperatures.