The GM 10-bolt rearend isn't considered by many muscle car enthusiasts to be a high-performance axle, mostly because earlier examples built prior to 1973 had a smaller, weaker 8.2-inch ring gear which ...
That said, there's still the matter of actually building the car to do what you intended in the first place: go fast. But if you find yourself getting annoyed at the prices complete cars are fetching, ...