Buildin a 492 bbc with a th400,410 gears.....3000# 78 malibu. Cast merlin 2.30's, 10/1 comp. Been told i need a 3000-3400 stall for the cam im runnin. So hears my question......this car is gonna b on the street 90% of the time, what is a good convertor for this? Hughes,tci,bm? Dont wanna waste my money on junk.....