Yeah, the 'Bee inserts interchange with the R/T insert, but that insert alone would probably cost you the price of one of those hoods all over again. I'd look for a smooth-bulge hood instead. The only difference between the '72/'73/'74 hoods is the cowl vents themselves. Everything else about them is identical. For the record, the '73 is my least favorite at the vents, but I like the paint treatment on the bulge better on the '73-'74 cars better than '71-'72.
A friend of mine, many years ago, pointed out a very-valid point about fresh-air hoods: You're essentially stuck with stock induction. Sure, you can put a Thunder Series AVS where the original Carter AVS sat, or replace your factory Holley with a higher-CFM version, but when it comes to intake manifolds you start to get a little sketchy as to height and whether it will fit. The center of the hood is actually a terrible spot for a scoop unless it's quite tall. It's a low-pressure area, and while providing cool air to the engine, very-few factory scoops on any make are actually effective in any kind of "ram" effect. The air is getting in there purely through vacuum.
Realistically, it's not worth having a Ramcharger hood other than for showing off the trap door or unless it's a restoration-style build. There's no easy way to make that trap door work without literally every underhood piece, and that takes up a bunch of space.
