Stall Converter help please.

I have a 71 scamp 318 .60 KB 399 pistons 11.3 to 1. 62cc milled 360 steel heads with lots of work 2.02/1.60 super Vicktor intake 750 BG silver claw carb MP 590/312 solid cam 265 at 50. JR fender well headers msd 6al and pro billet and baster 2 and wires eagle H beam rods 273 steel crank moroso eltc water pump TCI comp 727 cheata reverse valve body 8.75 rear end with 4.86 gears 26" MT ets. the thing likes RPMs so what converter? It has a tci 10" 4100 flash but it not enough. It dont leave hard. HELP brand and stall numbers please.