Jim, I had this happen on my 88" also. It seems that the linings on the shoes are thicker than they should be. I think perhaps the designers were working with worn out brake drums (or else they expected the end user to have worn out drums). In addition to this, the linings are a little thicker at the top and bottom edges of each shoe. I chamfered the top and bottom edges of each lining about 1/4" in. This helped the drums turn somewhat better even though they still feel tight. After that, I decided to just run mine and let them wear in.
61 II 109" Pickup (Restomod, 350 small block, TR4050)
66 IIA 88" Station Wagon (sold)
66 IIA 109" Pickup (Restomod, 5MGE, R380)
67 IIA 109" NADA Wagon (sold)
88, 2.5TD 110 RHD non-hicap pickup
-I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.