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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.

2016 Chevy Silverado puts on a better face

When Chevrolet introduced the redesigned Silverado pickup for 2014, you, our loyal readers, gave the new truck's front-end a lukewarm response. Aside from saying it was ugly, one commenter came to the far more damning conclusion that this brand-new vehicle already looked dated. For 2016, Chevy has attempted to address opinions like that, issuing a comprehensive facelift to its bread-and-butter pickup. Designers cut way back on the chrome for 2016, fitting a body-color strip across the middle of the grille and going to a single-headlight design. Combined with twin LED running lamps, the new look is much more modern while still harkening back to the retro-ish look introduced a few years back. The new truck also gets a much more muscular and aggressive hood, while the front bumper is significantly more modern, and features vertical housings for what look like LED foglights. The bad news, here, is that there's only one picture, shown above. We have no idea what changes Chevy has made to the rear of the pickup, nor do we know what other versions of the truck beyond the Z71 seen here may be available. The Bowtie brand did, however, confirm that we'd see a wider application of the eight-speed automatic transmission, as well as a new version of the MyLink infotainment system, which will play nice with both Apple CarPlay and Android Auto. Look for much more on the freshened Silverado when it makes its official debut this fall. Until then, check out the press release and hop into Comments. We'd love to hear what you think about this facelift. 2016 Silverado: The New Face of Strong - Bolder, more sculpted look reflects Silverado strength, dependability - Available support for Android Auto and Apple CarPlay - Expanded use of 8-speed transmissions; additional safety technologies DETROIT – Chevy Trucks are on a roll, with Chevrolet pickup sales up 32 percent so far this year. Chevrolet intends to strengthen this momentum with significant updates for the 2016 Silverado 1500 full-size pickup. "The redesigned 2016 Silverado will build on Chevy Trucks' legacy of dependability. It will feature a more muscular appearance and offer new customer-focused technologies," said Sandor Piszar, marketing director for Chevy Trucks.

Nissan Leaf sells 1,553 in April, Volt climbs to 905

After three months in the 500 and 600 range, sales of the Chevy Volt climbed to 905 in April. That's up for the year so far – likely due to increasing discounts – but still down 41.5 percent from April 2014. As we've been saying every time the Volt turns in less-than-exciting monthly sales numbers, we suspect a large number of potential Volt buyers are waiting for the next-gen model to arrive in the second half of 2015. While the price for that car has not yet been announced, the updated tech specs show that it will probably be worth the wait for drivers who want the latest and greatest. Over on the Nissan Leaf side of things, April sales were 1,553 units this year. That's the second-best month of the year but down from the 2,088 units sold last April. After the Leaf finally climbed to the top of the cumulative best sellers list for plug-in vehicles last month, the difference between these two leaders is now 1,824 in favor of the Leaf. Nissan says that sales were influenced by the launch of its No Charge To Charge promotion in Indianapolis and Fresno, CA. This deal gives new Leaf buyers and lessees two years of no-cost quick charging in these markets. No Charge To Charge is not available in 15 US markets for (San Francisco, Sacramento, San Diego, Seattle, Portland, Nashville, Phoenix, Dallas-Ft. Worth, Houston, Washington, DC, Los Angeles, Chicago and Atlanta) and will expand to 10 more by the middle of this year. As we do every month, our full wrap-up of US green car sales is coming soon. For now, enjoy discussing these sales figures in the Comments below.