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AUTOS: Ford F-150 Touts Mileage Gains
2011 pickup with 302-horsepower V6 rated at 23 mpg highway and 5-liter V8 gets 21 mpg, automaker says.
Bengt Halvorson  | http://thecarconnection.com  |  Posted October 15, 2010   Dearborn, MI
The 3.7-liter V6 in the Ford F-150 gets comparable power as last year's base V8 with improved fuel mileage. (Photo: Ford)
Ford has revealed fuel-economy figures for most of its 2011 F-150 lineup, all pending final EPA approval. While the numbers aren't yet out for the much-anticipated EcoBoost V-6 version, Ford is claiming best-in-class results for both for its 3.7-liter V-6 with 23 mpg highway and 5-liter V-8 at 21 mpg highway.

The base engine on the F-150 pickup will be a version of the new V-6 that's used in the 2011 Ford Mustang, among other models. Here, it makes 302 hp and 278 pound-feet, effectively replacing last year's base V-8 for some customers, and will get 16 mpg city, 23 highway mated to a six-speed automatic transmission. Ford is the only automaker to equip all of its full-size trucks with six-speeds.

Ford has installed a higher-capacity, deep-sump oil pan in the truck application to allow effective lubrication even under severe towing situations and to extend oil changes to 10,000 miles under normal use.

With the new 5-liter 'Coyote' V-8, the 2011 F-150 comes with EPA ratings of 15 mpg city, 21 highway. Ford assures truck shoppers that it "didn't just put a car engine in a truck." The engine makes 360 horsepower and 380 pound-feet of torque, and has a lower 10.5:1 compression ratio to work well on regular fuel, as well as a different intake cam profile that's been optimized for truck use.

The Dearborn automaker said that it found in a poll of F-150 owners that 70 percent wanted improved fuel economy, and it hopes to conquest more current owners of full-size trucks from the other brands with these higher-mpg offerings.

At the top of the lineup is a 6.2-liter V-8, which Ford says brings "the heart of a Super Duty but available in the F-150." The big V-8, producing 411 hp and 434 pound-feet, has two valves per cylinder, but they provide as much flow as four, according to engineers, and the roller-rocker valve train and overhead-cam design helps allow huge valves that aren't shrouded by the bore. A fuel economy rating of 12 city, 17 highway accompanies this engine.

The star of the F-150 lineup is quite possibly the 3.5-liter EcoBoost V-6, which will provide a full 11,300-pound tow rating. Versus the car-duty EcoBoost V-6 that's featured in a number of vehicles including the Ford Taurus SHO and Lincoln MKT, the truck-duty EcoBoost has significant differences. Ford points out its different fuel system and airflow, as well as various durability improvements.

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