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Lightweight boxed frame

Lightweight boxed frame
The 2009 Ford F-150 has a fully boxed frame constructed with hydro-formed and high-strength, steel side rails. The lightweight frame delivers 10 percent more torsional rigidity, which provides increased durability and safety. This helps improve towing and hauling capacity as well.

There is a choice of three modern V-8 engines, mated to either a four-speed or a new fuel-efficient six-speed automatic transmission. The engines include a 5.4-litre, three-valve Triton V-8 (which has been optimized for better performance with improved horsepower and torque, and is capable of running on E85, regular unleaded gasoline or any blend in between), and a 4.6-litre, three-valve V-8, which is new for F-150. Both the 5.4-litre and 4.6-litre 3-valve V-8’s utilize open valve injection. Also available is a 4.6-litre, two-valve V-8.

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