Spies have caught a pack of “Coyote” powered Ford F-150 pickups undergoing hot-weather testing. The 4-vlave 5.0L V8 engine is expected to pump out approximately 400-hp with a maximum torque of 400 lb-ft. Ford plans to replace the 5.4L V8 engine with the Coyote V8 in 2010. The naturally aspirated engine is expected to deliver 5.4L V8 performance while providing an increase in fuel-economy. It was previously reported that the 2011 Mustang GT is expected to carry the new Coyote 5.0L V8 and i