In Wolfe's most recent test, he was able to push the naturally aspirated pushrod engine over 780 horsepower. ... Truthfully, it's set up to run a 3.0-liter Whipple, but Wolfe wanted to warm the engine up beforehand so he could deconstruct it and analyze how it performed. As such, it's got a billet intake as well as a 90-millimeter throttle body mounted on top. There's also a good deal of head work; think CNC ported with titanium valves. Still, they're the stock Ford castings, so that's got to be good for something.
Wolfe also notes that it's running the stock block, stock timing chain and stock oil pump. All of these factory parts have supposedly been strong enough to withstand the mountainous pulls they've performed on the dyno with some tests even reaching 7,600 rpm. ... currently running on VP Racing Fuel's C16 blend. ... an upgraded Westcott mechanical roller cam, Wiseco pistons and MGP aluminum connecting rods, it's enough to knock on the door of 800 hp. According to Wolfe, there's "no doubt" it could make over 900 hp in top naturally aspirated form.