1971 340 right torque convert

Posted this earlier in the wrong section put it in small block not trans
Have a 1971 stock 340 was rebuilt but to stock. Putting it in a 1970
Duster with 727 323 gears 8 3/4 rear not going to race it but would
like it to have plenty of juice so was thinking a 24-2600 torque converter
but am hoping for some advice and what company was thinking TCI or ?