I've been considering the same trans for my build for some time now. I talked directly with Art Carr a couple of years ago and he told me a manual valve body was available for the 200R4 tranny. I talked with him again about six months ago and he told me it's not available. Give Art a call at California Performance Transmissions (800-278-2277) and let us know what he tells you. Years ago I drove my old '69 340 Swinger on the street with a 727 w/reverse pattern manual shift valve body and 4.89 gears on the street and loved it. Of course, that was in the land of 36-cent per gallon premium gas. Now I'd still like to have a reverse pattern manual shift 200R4 and some decent gears in my "new" '69 Dart.