I would stick with a low deck if I was doing the swap just because it gives you a slightly smaller package.The one positive thing you have is that they used a Torqueflite transmission so your shifter,kickdown,mount,slip yoke,and speedo cable will be easier.
They used GM engine mounts.

Gus beer


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60