A big part of this choice is how you plan to use this car.
Race only? Street Only?
Torque Convertors usually have a stall rating, but in reality it's just a guess by the manufacturer as to what it'll stall out at. The actuall stall will depend on how much torque your engine puts out at the stall RPM. More torque = more stall.
Usually the manufacturer guesses you have a mid level performance engine.
You also need to think about things like vacum operated accessories. Do you have power brakes?
The higher the stall, the bigger of a tranny fluid cooler you'll need. An aftermarket cooler is a must for street driven cars with a high stall converter.
