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Submit your questions for Autoblog Podcast #313 LIVE!

We record Autoblog Podcast #313 tonight, and you can drop us your questions and comments regarding the rest of the week's news via our Q&A module below. Subscribe to the Autoblog Podcast in iTunes if you haven't already done so, and if you want to take it all in live, tune in to our UStream (audio only) channel at 10:00 PM Eastern tonight.
Discussion Topics for Autoblog Podcast Episode #313
2014 Chevrolet Silverado and GMC Sierra introduced

Callaway debuts its new C7 Stingray at National Corvette Museum

Callaway showed off its first tuned version of the 2014 Corvette Stingray at the National Corvette Museum last week, giving the rampant enthusiasts of America's sports car a look at the roughly 620-horsepower, supercharged rocket.
Unlike the Corvette SC610 we showed you back in January, this Stingray packs a fair bit more oomph. Horsepower is only up ten ponies, but torque has jumped from 556 pound-feet to "at least" 600 pound-feet. Neither horsepower nor torque is official quite yet, although Callaway is expecting to know just what its creation can do once testing and validation is completed later this month.
The 6.2-liter, supercharged V8 now boasts a new, three-element intercooler, which Callaway claims only allowed the inlet air temperature to increase by ten degrees Fahrenheit during dyno runs. Previous designs saw a 35-degree-Fahrenheit jump. The exhaust system has also been fettled with, and now is even less restrictive.

Chevy reveals Colorado Z71 Trail Boss Edition

Chevrolet wants to make sure that if people are in the market for a midsize pickup, then there is a Colorado available to fit their desires. For businesses, there's the recently unveiled box delete package and for those looking for a customized look, there's the GearOn Edition. For the latest Z71 Trail Boss version, the automaker is going for folks planning to go off-road. As the name suggests, all Trail Boss versions of the Colorado start with the already off-road-inlined Z71 trim level, including its 305-horsepower, 3.6-liter V6 and six-speed automatic, and the package can be added to practically any body variant: extended or crew cab, long or short bed and rear- or four-wheel drive. To set things apart, there's a locking rear differential, front tow hooks, darkened 17-inch wheels that are shod with Goodyear Wrangler DuraTrac tires and on the four-wheel drive models, a transfer case shield. For some extra style, the Colorado Trail Boss wears black parts for the fender flares, side steps and Bowtie badges. The bed also gets a spray-on liner and a few parts from the GearOn accessory catalog, including the tie-down rings, load bar and cargo divider. The Trail Boss goes on sale in the spring, and to add all of this equipment to a Colorado, it costs $3,320 in addition to the price of any Z71 trim model. Related Video: Chevy Colorado Z71 Trail Boss Edition: On Point, Off Road When adventure calls, the Trail Boss has your back 2015-03-06 CLEVELAND – For those who want to blaze their own trails, Chevrolet introduces the 2015 Colorado Z71 Trail Boss edition today at the Cleveland Auto Show. The Trail Boss combines the capability of Chevrolet's Z71 off-road truck suspension package with more aggressive tires and additional appearance enhancements. It is offered in extended and crew cab configurations, with a choice of a long or short cargo bed and available 4WD. The Trail Boss goes on sale this spring with a starting price of $28,505 plus the package price of $3,320. "The Chevrolet Colorado Z71 Trail Boss Edition is equally at home blazing an urban trail or following one to a favorite remote campground," said Tony Johnson, Colorado marketing manager.