How much Hp does my truck produce and is this combo good?

I have a 1966 Ford Bronco. It has a 7'' Lift, 3 speed trany, 4:11 gearing, 31'' mud tires (Getting 38'' or 44'' soon), V8 351 Clevelend, holy four barrel carb with dual glaspacks (Getting FLowmasters). How musch HP does this combo produce? ive heard 221hp, 400hp, buti woul like to hear 1500hp but that may be a streatch. if it matters i am gona be running 93 octane in it or using octane boost