How do you intend on using the car? How much cam is in it? Gear ratio? If it is just a stock motor and you don't want any extra out of hole launch, a stock convertor would be fine. But if you have a hotter cam, intend on driving a little harder, and want more kick out of the hole you might step up to maybe a 2400 or so.

We have the same motor in my Sons rpu and at first used a 2500 but it wouldn't let the cam do it's thing out of the hole, so we are moving up to a 3000 stall and going from a 12 incher to a 10 incher. That should make a lot of difference.

Don