Hi all, I've been following this post for a while, preparing to build my Edge, then got distracted. Now I'm following again, making progress on my own plane. I have a question for Salty25: some pages back you posted pics of your 91 with what looks like a fuel filler valve and lots of plumbing. I am also using a 2stroke91 with a Pitts Muffler very similar to your installation. I think I will use a similar fuel filler set up, but I have no experience with fuel filler valves. I was just thinking the other day that I'll need to get at the muffler vent line to vent my overflow while refueling the plane. I think I will have to hang a bit of vent tubing and one 'coupler' thru the bottom of the cowl so I can access/disconnect it. It is hard to tell from your pics, but is that what you did? This has been a great thread to follow.