...Powertrains and Performance: Three different engines are available for the 2008 Ford E-Series. A 4.6-liter V8 with 225 horsepower and 286 pound-feet of torque is standard on the E-150. Optional on the E-150 and standard on all E-350 models is a 5.4-liter V8 rated at 255 hp and 350 lb-ft of torque. Each of these gasoline V8s comes with a four-speed automatic transmission. E-350 Super Duty buyers can upgrade to the 6.0-liter Power Stroke turbodiesel V8 generating 235 hp and 440 lb-ft of torque, backed by a five-speed automatic transmission. When properly equipped, maximum tow ratings range from...