07/23/2008, 11:43 AM
Spied again: Ford tests ĎScorpioní 6.7-liter V8 diesel
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While itís tough to camouflage the purpose-built nature of Fordís upcoming F-150 ĎRaptorí desert runner, donít let the subtle looks of the F-350 Super Duty mule in this picture fool you. Reliable sources tell us that whatís under the hood of this pickup is much more important to Ford. Itís the all new, Ford designed ĎScorpioní 6.7-liter V8 diesel engine that will replace the current Navistar supplied 6.4-liter V8 Power Stroke by 2011.
Sources say Ford continues to make good progress testing its upcoming in-house-designed 6.7-liter V-8 diesel engine. The new engine will replace the Navistar-sourced 6.4-liter V-8 Power Stroke diesel engine in Fordís heavy-duty pickups by 2011. Code-named Scorpion, the new motor is said to pack plenty of sting ó plus a few other surprises.
The latest power targets are said to be more than 390 horsepower and 720 pounds-feet of torque. Todayís Power Stroke diesel is rated at 350 hp and 650 pounds-feet.
Scorpion fuel economy is expected to improve by 3 mpg or more compared to the current Power Stroke. Helping the Scorpionís mileage will be a new six-speed automatic transmission, like the 2009 Ford F-150 will have.
How important is this motor? The move is expected to permanently end Fordís longtime use of Navistar-built diesel engines in its heavy-duty pickups, due to an ongoing legal battle between the two companies over warranty and cost issues related to the old 6.0-liter V-8 Power Stroke (model years 2003-07). Ford has used Navistar diesels in its F-Series trucks since 1982.
Itís not yet known if the Scorpion will continue to use the Power Stroke name or if Ford will create a brand new label for the engine.
Hard to believe but from the looks of this mule, the Super Duty may grow a bit bigger than the current truck to accommodate the larger displacement Scorpion diesel. Its raised hood is taller across almost its entire width and it has an overbite, hanging slightly over the current modelís big chrome grille.