Jason, with your plans on the new rad. and fan setup I think you will be sufficient there and the current setup with hoses, etc. should be fine. The main reason for a degas tank is for the way the bodies and drivetrains are configured. With aerodynamics in mind, the radiator usually gets dropped lower in the front end to accomodate the body panels, etc. Since the radiator is mounted lower than other parts of the cooling system, the degas tank is employed to purge the air from the other parts of the system. These systems use a pressure only cap (1 way) and most times have a "puke tube" attatched to the top of the tank in case the coolant is too high, too much pressure built up, and so on. Not all have the "puke tube" though, some just release around the cap, I believe. If you want to go the other route, delete the degas tank, saleen t-stat housing, run a single hose from lower rad. outlet to driver block inlet adapter, and connect a small vent hose from the inline adapter to your new recirculating catch can, blocking off the hose port on top of rad. that used to go to degas tank. You can get the inline fill like Ross linked, add a seperate recirculating catch can and a pressure/vacuum cap such as the Ford Racing M-8100-A. This should fit the inline adapter Ross linked and is rated at 16lbs, which is better on an older car as long as the system can support the pressure because it helps increase the boiling point that much further. Almost all modern cars have 16 pound caps factory. This is same cap I have on my 66 with stock radiator. I also added a catch can and made it recirculating, although you can buy them already recirculating. I did this because if it were a catch can only, you would lose coolant when it gets hot and expands too much but don't have a way to draw it back in. This is a self-equilizing system, it takes and disperses as need be. It also doesn't matter if the recirculating catch can is higher or lower than rad., because it will draw coolant under vacuum and spit out under pressure. Mine is located on the side of my rad., about halfway up just for best fitment. I will try to get some pics tomorrow of my setup. Good luck whatever you decide.