Most power out of 1978 ford bronco?

How can I get the most power out of a 78 bronco. It has the 351m motor with 3 inch straight pipes and fuel injection conversion Would it be worth putting a supercharger on it? I heard you can put the 460 crank and pistons in it to make the 351m a 460 but I don't want to rebuild the motor again. What are your Guy's thoughts on it?

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