Will it be ideal with a stock converter? No. Can you get by with a stock converter? Depends on what you can live with. It will likely idle a little above stock at 8-900 rpm so when you pop it in gear it might be a tad harsh. It MIGHT be a little lazy getting away from a light but with it installed 4 deg adv and with a 3.23 I doubt it would be an issue around town, like it will roll out 10 feet and then blow the tires off it. If you can make those compromises, you will be grinning. On the highway it will be a none issue, just grab 2nd (up or down) and wave good bye.

A buddy of mine has a 74 Challenger with a basic 440, 727, 3.23's and that cam. With the so-called factory hi-stall (2200 rpm?) he runs 12.90's

Kevin