Autoblog Podcast #283

Dan Roth — Tue, 22 May 2012 17:45:00 EST

Filed under: Podcasts, Hybrid, Performance, Audi, Chevrolet, Ford, GM, Honda, Kia, Toyota, Diesel

Ford Shelby GT500, Chevrolet SS, Kia diesels

Episode #283 of the Autoblog Podcast is here, and this week, Chris, Dan and Zach chat about the 2013 Ford Shelby GT500, the Chevrolet SS, and Kia exploring diesels for the U.S. market. Your questions and comments power the end of the 'cast, and for those of you who hung with us live on our UStream channel, thanks for taking the time. We've embedded our Q&A module after the jump for you to scroll through and follow along, too. Thanks for listening!

Autoblog Podcast #283:

Topics:

In the Autoblog Garage:
2012 Toyota Camry Hybrid
2012 Audi A6
2012 Honda Fit

Hosts: Dan Roth, Chris Shunk, Zach Bowman

Runtime: 01:08:54

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Autoblog Podcast #283 originally appeared on Autoblog on Tue, 22 May 2012 17:45:00 EST. Please see our terms for use of feeds.

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Ford V8 boss says no twin-turbo 5.0L for Shelby GT500

Sam Abuelsamid — Fri, 08 Jan 2010 12:29:00 EST

Filed under: Coupe, Performance, Technology, Ford

2010 Ford Shelby GT500 - Click above for high-res image gallery

In recent months, rumors have been rampant that the next generation of Ford's Shelby GT500 Mustang would dump the existing 5.4-liter supercharged V8 in favor of a twin-turbo version of the new 5.0-liter Coyote V8 that debuts this spring. Unfortunately, in spite of earlier reports confirming the development, it appears that such an engine will not be installed in the GT500 any time soon. Autoblog had the chance to talk with Mike Harrison, Ford's chief engineer for the 5.0-liter and 6.2-liter V8 engines this morning, and he made it clear that the mooted engine is not part of the program for the Blue Oval bomber.

Harrison explained that such a configuration would be almost impossible for Ford to engineer because the 5.0-liter already consumes virtually the entire engine compartment. There is evidently no room to mount the turbos on the outside of the block where the exhaust currently resides. One possibility would be to put the turbos in the valley of the block similar to the new 6.7-liter diesel or BMW's 4.4-liter twin-turbo V8, but this creates a bunch of new problems as well. The heat generated by having the turbos up top would probably cause the paint on the hood to bubble and peel unless Ford could add some exotic and undoubtedly expensive heat shielding, which is unlikely to happen.

The other issue is that this configuration would really only work if the intake and exhaust flow were reversed, putting the exhaust in the valley. Without this change, the paths from the exhaust ports to the turbos would be too long, resulting in excess turbo lag and unacceptable performance. However, this would require a level of engineering investment for new heads that Ford is unlikely to make in such a low-volume program. Thus, we'll have to be satisfied with the aluminum block 5.4 that is arriving later this year.

Gallery: First Drive: 2010 Ford Shelby GT500, Part 1

Ford V8 boss says no twin-turbo 5.0L for Shelby GT500 originally appeared on Autoblog on Fri, 08 Jan 2010 12:29:00 EST. Please see our terms for use of feeds.

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