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 ...

Your fuel lines are a network of tubes and hoses that bring gas or diesel from your fuel tank and fuel pump to the fuel injectors in your engine. They don’t last forever, though, and you can usually ...