The redesigned 2011 F-Series Super Duty has once again stepped up its game in the competitive heavy-duty pickup market. There’s a new, more powerful 6.2-liter V-8 and, for the die-hard haulers, a new 6.-7-liter Power Stroke V-8. How do these engines stack up against the other domestic HD pickups from General Motors and Chrysler? Watch the MotorWeek video above to find out.