Minilites are totally correct for this style of car. They could perhaps be an inch smaller.

Yes, the minilites are correct, and wires aren't common at all. Production of TR6's started in 1974 I believe, after wires had come to be seen as old fashioned. Even MGB's with wires from around this date are fairly rare and their production started in '62. These cars are generally found with steelies and chrome…