[The Deuce]

The easiest thing for you to do is put a for sale sign in the window. If you want a 5.0 and want to go fast, but a fox bodied notch. The 89-92 cars would be the best starting point.

If you like the body style of the car you bought, buy a 94-95 and swap the tailights. That's the only exterior difference.

Either way, it will be cheaper than rewiring the 4.6 to a 5.0.

But like Dark said, if you want a blower, stick with the 4.6.