I currently have 3 fun cars - 98 GTS, 65 427 Cobra replica, and a 72 Pantera.
The Pantera is amazing. It is very fast. It topped out at 160mph in 1974 (road tests), and that was with a stock 351C. Mine has aluminum heads, cam, 4" crank, Dart block, so to be honest, I don't really know how...