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Ford will officially unveil its revised 2011 Super Duty pickups Thursday at the State Fair of Texas, and the all-new, Ford-designed and produced 6.7-liter Power Stroke (aka Scorpion) diesel is the star of the show. We've already given you the details on the Scorpion, as well as a description of how quiet it is, and now Ford has now posted a video of one of the diesels on a dynamometer switching from the old single injection pulse control to the new multi-pulse strategy.
The difference in sound levels is quite startling. By splitting the fuel delivery into multiple pulses (and ignition events) the pressure impulse on the piston is flattened out and spread over a larger time, mitigating the knocking sound. The new engine will be available in production trucks in the second quarter of 2010 and you can check it out for yourself in the video after the jump.
[Source: Ford]Continue reading VIDEO: Aural evidence new Ford 6.7L Scorpion diesel is quieter
VIDEO: Aural evidence new Ford 6.7L Scorpion diesel is quieter originally appeared on Autoblog on Thu, 24 Sep 2009 11:29:00 EST. Please see our terms for use of feeds.
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Click above to view the video after the jump
Ford will officially unveil its revised 2011 Super Duty pickups Thursday at the State Fair of Texas, and the all-new, Ford-designed and produced 6.7-liter Power Stroke (aka Scorpion) diesel is the star of the show. We've already given you the details on the Scorpion, as well as a description of how quiet it is, and now Ford has now posted a video of one of the diesels on a dynamometer switching from the old single injection pulse control to the new multi-pulse strategy.
The difference in sound levels is quite startling. By splitting the fuel delivery into multiple pulses (and ignition events) the pressure impulse on the piston is flattened out and spread over a larger time, mitigating the knocking sound. The new engine will be available in production trucks in the second quarter of 2010 and you can check it out for yourself in the video after the jump.
[Source: Ford]Continue reading VIDEO: Aural evidence new Ford 6.7L Scorpion diesel is quieter
VIDEO: Aural evidence new Ford 6.7L Scorpion diesel is quieter originally appeared on Autoblog on Thu, 24 Sep 2009 11:29:00 EST. Please see our terms for use of feeds.
Permalink | Email this | Comments
More...