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First privately owned Corvette Stingray blitzes 1/4 mile in 12.23 at 114.88 mph

Chevrolet's latest road rocket, the Corvette Stingray, is a very quick car. If one needs further proof of that, we recommend they take a look at this video from Hennessey of what is claimed to be the first privately owned C7 Corvette to make a pass down the quarter mile. Not just any quarter mile, mind, this black C7 blitzed its way down the tuner's primary testing dragstrip. The Chevrolet ran the quarter in just 12.23 seconds at 114.88 miles per hour. That is a very quick time for a stock car.
Equipped with the Z51 package and a six-speed automatic transmission, not only does the C7 run a solid time, but it does so with little to no drama. That won't last though, as Hennessey will likely return it to its owner with far more power - we just hope they show a drag run of the completed product. Take a look below to watch the C7's 12.23-second run on video.

Callaway, Lingenfelter boost Corvette Z06 way beyond 700 hp

With 650 horsepower and just as much torque on tap, few would accuse the latest Corvette Z06 of being down on power. But for those who'll always demand more, two leading Corvette tuners have just announced new tuning packages for the Z06 to boost Chevy's flagship well beyond 700 horsepower. The more powerful of the two comes from Callaway Cars, which has added a larger supercharger, a triple-action intercooler, and more to increase output to a massive 757 horsepower and 777 pound-feet of torque. The result, according to Callaway, is a 0-60 time quoted at 2.8 seconds and a quarter-mile run in 10.5. The package also includes a reshaped hood, all manner of trim upgrades, and a three-year warranty, and will set you back nearly $17k on top of the cost of donor vehicle that currently lists for $79,000. In what could only come second relative to Callaway's kit, Lingenfelter Performance Engineering has also released a Stage 1 package for the Z06. The kit includes a new dry sump damper, upgraded supercharger pulley and drive belt, and more – all of which Lingenfelter says will boost the Vette's output up to 720 hp and 730 lb-ft. Revised performance figures weren't released, but despite the 37-horse, 47 lb-ft deficit, we doubt it'd trail Callaway's by much. But both would likely leave the stock Z06 in their dust, and you can read more about them in the press releases below. Related Video: Callaway Cars Releases Their Most Powerful Corvette - 757 bhp / 777 lb-ft - Z06-based Corvette upgrade boasts 32% larger supercharger, triple intercoolers, and consistent power - lap after lap The Numbers - Callaway Cars today announced power numbers and performance for the flagship model in their performance car lineup. Equipped with Callaway's GenThree Supercharger, the Corvette Z06 now produces 757 bhp @ 6,200 rpm and 777 lb-ft @ 4,500 rpm (SAE). A launch to 60 mph is now achieved in 2.8 seconds, and a quarter-mile in 10.5 seconds at 131 mph. Why Go Big, When You Can Go Bigger? - Size Matters. To reach that power (which is up from 650 bhp / 650 lb-ft) the supercharger itself needed to be bigger since the output of a positive displacement supercharger is proportionate to its size. The Callaway GenThree supercharger is 32% larger in displacement (2300cc vs 1740cc). Cooling - Callaway engineers recognize that a key contributor to maximizing power is reduction of inlet air temperature associated with forced induction.

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.