4.10's and get a good converter in it. My friends convertable was a totall pig with 3.08's and the stock convertor. he put 4.10's in it and it was WAY better, then he put a shift kit and a B&M Tork Master 3000 convertor (flashed to 3500 in his car) in it and it was a totally different car. It ripped. Dam near ran neck and neck with my 5 speed w/ 3.73's. Only real difference in our cars was the tranny and rear gears.