Thats not what I meant, DOT 3 or 4 mix together just fine and are interchangeable with DOT 5.1, these are all glycol based fluids with different temperature ratings and viscosities.
You can't mix DOT 3,4,5.1 (glycol) with DOT 5 (silicone) you will get a jelly, give it a try and see for yourself.
[ April 09, 2002: Message edited by: 4 Jaw Chuck ]</p>
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