With the combination you have now, there is not need for anything other than a stock converter. With a new camshaft there might be need for a higher stall, but the spec sheet supplied with the cam will give you recommendations. As a driver, you might want to check out
www.ringpinion.com and see the rpm your engine will be turning over at a given MPH. If at 60MPH for instance, if your engine/axle/tire combination is only turning over at 2600 rpm, a converter that stalls in the 3000 to 3500 rpm range is slipping and sliding, creating a bunch of unwanted heat and burning far too much 3.50+ per gallon gas.
Match whatever converter you buy
TO YOUR ENGINE/AXLE/TIREcombination you have and you'll be a happy camper. A properly applied high stall is a great $$ investment, a poorly applied high stall isn't.
If you send me a pm, along with your home email, I'll send you the spec sheet we used at my old employers that was used when someone ordered a high stall.