Dot 3 was O.E. in my '54 GMC when I replaced everything new in the system I used Dot 3 again, now the brakes work fine. I use Dot 5 in my Harley but the rubber components are compatable so I have had no problems in the 17 years I have owned the Harley.
Last edited by chevman32; 11/14/2007 4:46 PM.
