With Norm's upgrades, the '67 390 GT picked by Wolfe was likely ... not quite as much as those builds packing Ford's fabled 427 engine. As for what one might be worth on the open market, despite ...

That's when Ford added the 390-cubic-inch (6.4-liter ... And it was the first engine with more than 300 horsepower fitted in a non-Shelby Mustang. The four-barrel unit was carried over into ...