I'm going to start off with a reminder: You've checked that you put on the AN-818 B-nut and 819 sleeve before starting the flare, right? Right! You've been warned! Firewall-aft (FWA), rigid fuel lines ...
Using the correct components in a proper manner is essential. We decided to keep this project as economical as possible, so we used Russell3/8-inch (also available in 1/2-inch diameter) ...