Originally Posted by Sniper
...DOT 5 doesn't mix with DOT 3 which is why you want all of the DOT 3 out of there. Use DOT 5.1 instead.

https://www.valvolineglobal.com/en-eur/vehicle-maintenance-brake-fluid/


Agreed...unless your major concern is the potential paint impact, but performance wise the 5.1 stuff is right up there, and of course there are specific products that claim to go beyond this.