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Quote:
Originally Posted by FL&WVMIKE
DOT 5 is Silicon based, and CANNOT be mixed with other fluids. It also does not absorb water, so it can be a good choice for something that sits in storage for long periods of time.
DOT 3 is basic brake fluid.
DOT 4 is the synthetic version of DOT 3, and can be mixed with it.
I don't know enough about DOT 5.1 to give rock solid advice.
I ran DOT 5 in my mustang for a few decades. Never had a problem.
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Not totally correct.
All brake fluid is
technically "synthetic". DOT 4 simply has a higher boiling point that DOT 3, and is the main reason you don't want to mix DOT 3, 4 or 5.1 glycol fluids, because of their different boiling point specs.