Not DOT 4 -- Sent from my Palm Pre Conrad Klahn wrote: hah! so technically, brake fluid is an oil, but we can save that debate for later... :-) On Sep 16, 2009, at 9:47 PM, sammie smith wrote:HMMM! If I were you I probably wouldn't put any oil in the MC or the brake lines. --- On Wed, 9/16/09, Conrad Klahn <conradk@xxxxxxx> wrote: From: Conrad Klahn <conradk@xxxxxxx> Subject: [tcb] Re: Another Brake question To: tcb@xxxxxxxxxxxxx Date: Wednesday, September 16, 2009, 9:08 PM I now have dual circuit on my 65 bus - but haven't put oil in the system yet. I wasn't quite sure how to route the lines, so we'll see how well it works. :-) On Sep 16, 2009, at 3:25 PM, ATX BUS wrote: I want to replace the master cylinder on my early 67. It has the 66 style MC. I was talking to the guys at WW, and they suggested that I consider converting to the 67 style for more safety. Has anyone done this? They made it sound easy. Jeff (atx_bus) 66 So-42 67 sportsmobile camper