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New Chevy Small Block crate engine has 405 hp, endless possibilities

With decades of history, the Chevrolet Small Block V8 has definitely stood the test of time, and the company has kept finding ways to make it better. At this year's SEMA Show in November, Chevy Performance is unveiling the latest upgrade to that legacy with the new ZZ6 350-cubic-inch (5.7-liter) crate engine. Offering 405 horsepower and 405 pound-feet of torque, the mill should add a big dose of power to any project car. For the ZZ6, Chevy is working to improve the Small Block's high-rpm performance. To make that happen, the engine has Fast Burn aluminum cylinder heads and an updated valvetrain inspired by the LS family of powerplants. Large intake runners help with the airflow, and the valve springs use a tapered design that allows for less reciprocating mass. The mill also packs a forged steel crankshaft and high-silicon aluminum pistons inside of a cast iron block. Chevy is offering the engine in two versions depending on what the builder needs. The Base configuration comes with an intake, distributor, water pump, and a few other parts but lacks carburetor and accessories. Conversely, the Turn Key option has everything, including the carb, air cleaner, starter, alternator, and more. More details about their availability will be announced at SEMA. NEW ZZ6 CHEVY SMALL BLOCK ADVANCES CRATE ENGINE LEGACY Revised Fast Burn heads with LS-inspired valvetrain enhance high-rpm performance 2015-10-02 DETROIT – Developed with contemporary technologies, including a high-rpm valvetrain, Chevrolet Performance's new ZZ6 crate engine offers builders a modern twist on the classic Chevy Small Block 350. It uses updated Fast Burn cylinder heads with beehive-style valve springs inspired by the LS engine family – a feature that enhances high-rpm capability, enabling the new high-performance engine to achieve 405 horsepower and 405 lb-ft of torque. That's more power than any factory produced 350 engine ever installed in a Chevrolet production vehicle and it's one of the most powerful 350 Small Block-based crate engines in the nearly 27-year history of the "ZZ" lineup. "The new ZZ6 is the ultimate ZZ 350-based crate engine from Chevrolet Performance," said Jim Campbell, GM U.S. vice president of Performance Vehicles and Motorsports.

GM recalls select Tahoes, Yukons, Escalades for rear driveshaft issue

GM is recalling a number of its full-size SUVs due to an issue with the rear driveshaft assembly that could ultimately result in driveshaft failure. The actual number of total vehicles involved in the recall is small at just 1,789, but it’s spread out across the entire 2021 model year full-size GM vehicle lineup. That means a small number of every model is being recalled, including the Chevrolet Tahoe, Suburban, GMC Yukon, Yukon XL and the Cadillac Escalade and Escalade ESV. GM traced the issue back to certain driveshaft assemblies with ball bearings that were not properly heat treated. If theyÂ’re not properly heat treated, GM says that the balls may deform over time, causing noise and vibration. Continue to drive in this condition, and GM says the affected joint in the driveshaft assembly could seize, causing loss of drive power. However, the problem wonÂ’t present itself all at once, as GM says there will be a gradual increase of noises and vibrations before total failure. For those few owners with affected vehicles, GM says that it will replace the left and right rear driveshaft assemblies with properly-built units. Per usual with recalls, this will be done at your local dealership at no cost to the owner. If you have one of the recalled SUVs, expect to be notified mid-March. Related video:

See all seven colors available on 2016 Chevy Volt

General Motors has been happy to promote the 2016 Chevy Volt in the shiny blue color. On the company's website for the car, though, we can find all seven exterior colors, thanks to the magic of digital technology. We went through the site and played around with the option picker and put together a gallery of all the colors the new Volt will be available in as well as the five interior options. For the record, the exterior colors are: Kinetic Blue Metallic, Iridescent Pearl Tricoat, Summit White, Silver Ice Metallic, Mosaic Black Metallic, Siren Red Tintcoat, Heather Grey Metallic. You'll be forgiven if you can't quite tell the difference between the Pearl and the White in these images, but both colors have been available on the 2015 model year Volt. GM spokesperson Michelle Malcho told AutoblogGreen that buyers do have a preference, with Pearl accounting for 10 percent of the sales and Summit White accounted for 17 percent. The Pearl color is a tri-coat and thus has a $995 price premium, which was likely a factor as well. The interior of the new Volt will have two cloth options (Dark Ash and Jet Black) and three leather choices (Dark Ash, Jet Black, and Jet Black/Brandy). That last one will only be available in the LTZ trim level. You can play around with the color adjuster yourself here. Kathy Sirvio, the color and design manager of the Volt design team, told AutoblogGreen that, "Kinetic Blue is a marketing name. At Design we call it 'Blew Me Away'. That is it in a nutshell. The blue color is vibrant, rich and eye catching. It may not sell at the highest volume, as we know from history whites, blacks and silvers are the dominant color sales. However, it will tell everyone who sees it on the street that here comes a new vehicle and it is expressive in all the right ways." The next-gen Volt arrives later this year with a starting price of $33,995. The powertrain upgrades will push the all-electric range to 50 miles and the gas-only fuel economy to 41 miles per gallon. Related Video: