Wow, So I'm seeing a lot of info here. I know nothing about converters but now I feel like I have an idea. I will have to call one of those companies.
My setup (in full restoration.)
69 Dart GT, 440 10 1/2 compression. Common Mopar purple camshaft. Schummacher block hugger headers and full dual exhaust. 727 and 8 3/4 Sure Grip with 323s. Mini tubbed. Stock bodied with 6 pt cage and frame connectors. mostly for street driving with maybe an occasional trip down the track.
Anyone have an idea?