Before I start the vent line, I decided to mount the brake resevoir to the firewall as layed out in DWG 19. I marked the holes to be drilled, deburred and installed the resevoir using AN3-5A bolts. Left fuel vent line went much smoother than the right and had it in place in just a few hours. I also purchased a couple of cnc machined vents for the bottom of the fusalage instead of the one's Van's calls for
