Similar to Wizard's post, the 767's best angle (Vx) can be found on the Climb page and, funny old thing, it comes out as Vref30 + 80 i.e. min clean. Best rate (Vy) is either Vx + 50 or Vref30 + 130 (stunningly close to the 777
), whichever you can calculate easier on your iPhone.
There, that's my technical knowledge displayed for the year, so now back to Down Under and hearing about how Australian cadets are going to ruin the World
.