Gary Omel and I have had lots of discussion about fuel lines and our general dislike of the old Winn System on our 320s. He removed his and replaced it with a Winn Filter Head and Baldwin filter with separator and drain. He added isolation ball valves to maintain prime when replacing the filter. I had my 50' of Trident 5/8" ID line in hand ($120.00), but no fittings. <br/>I...