So, in 2003, Ford unveiled its second Power Stroke engine. The 6.0 had features like a variable geometry turbo for a wide power band and exhaust gas recirculation to clean up emissions.
The new Ford-exclusive 6.4-liter Power Stroke® turbo-diesel is quieter, powerful and more capable, yet it still meets stringent new emissions regulations thanks to Ford Clean Diesel Technologyâ„¢.