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Chevy to resume engine-building program for 2015 Corvette Z06

One of Chevrolet's most popular and unique customer features is set to return for 2015, as the company has announced that the Engine Build Experience is back. Interested owners will be able to screw together their engines beginning in March. The $5,000 option (which does not include the cost of travel) will give future owners of the 2015 Corvette Z06 the chance to screw together their car's actual 6.2-liter, supercharged V8. Available on each of the Z06's three trims, the Engine Build Experience includes a day at the Performance Build Center, instruction from an engine assembly tech, photographs of the experience and a personalized engine plaque. Once the build process is completed, the engine will (eventually) be fitted under the hood of the customer's personal Z06. "Chevrolet recognizes the passion customers have for Corvette and the Engine Build Experience offers them a truly unique opportunity for hands-on involvement in the creation of the heart of their new car," Corvette product manager Harlan Charles. "It's important for customers to understand their engine won't be installed the day after they built it. It will flow into the scheduling process for vehicle assembly, which depends on a number of logistical variables." Scroll down for the official announcement of the Z06's Engine Build Experience, available below. Exclusive Corvette Engine Build Experience Returns Program renewed for supercharged LT4 engine at new Bowling Green build center 2015-01-07 BOWLING GREEN, Ky. – Chevrolet announced today it is resuming the exclusive Engine Build Experience for Corvette Z06 customers – the only program of its kind for supercar customers. Starting in March 2015, Corvette Z06 customers will be able to assemble the 650-hp supercharged LT4 engine for their cars at the new Performance Build Center inside the Bowling Green Assembly Plant. "Chevrolet recognizes the passion customers have for Corvette and the Engine Build Experience offers them a truly unique opportunity for hands-on involvement in the creation of the heart of their new car," said Harlan Charles, Corvette product manager. "It's a chance to bond with their new car." The Engine Build Experience is selected with order code PBC and is offered on all Z06 trim levels.

Chevy's 6.6-liter Duramax is pretty much all new

To say there's a heated battle in heavy-duty pickups is an understatement, with Chevrolet, Ford, and Ram constantly trading blows of increased torque, horsepower, and towing capacity. The latest salvo is the revised, more powerful turbo diesel 6.6-liter Duramax V8 in the 2017 Chevy Silverado. It has 910 pound-feet of torque, an increase of 145, putting it nearly level with the Ford Super Duty. Here's a closer look at where those gains come from. How exactly did Chevrolet add all that torque plus 48 horsepower? The automaker essentially took a fine-tooth comb to the entire engine. Chevy says it changed 90 percent of the V8, and the cumulative effect of those small changes adds up to big increases. As you might guess, the turbocharger is updated. The larger unit features electric actuation of the variable nozzle turbine (VNT), and what Chevy calls a double axle cartridge mechanism that separates the VNT moving parts from the housing. That helps with heat performance as well, with a claim that the exhaust side of the turbo can run continuously up to 1,436 degrees Fahrenheit. Helping that cause are six exhaust gaskets made of Inconel - an nickel alloy that contains chromium and iron – and upgraded stainless steel for the exhaust manifold. Despite having the same cast iron cylinder block, albeit with some minor enhancements, the engine has new cylinder heads, pistons, piston pins, connecting rods, and crankshaft, which have all been upgraded to handle 20 percent higher cylinder pressures. Alongside the increase in pressure, Chevrolet also increased the cylinder head's structure with a honeycomb design. The pattern features high-strength aluminum with dual layer water jackets that not only improve strength, but also optimize water flow for better cooling. For 2017, the cylinder head also benefits from integrated plenum that aids the engine in getting more air under heavy loads. The cylinder head isn't the only component to get a minor update, as the pistons have a larger diameter pin for improved oil flow. The same detailed improvements has been bestowed to the humble connecting rods (second in our hearts only to the inanimate carbon rod). The new design has the bolts oriented roughly 45-degrees to the rod instead of parallel. The angle split design, as it's called allows for easier passage through the cylinder.

Nissan Leaf ends 2013 with best sales month ever, but can't catch Chevy Volt

Nissan and Chevrolet both ended 2013 with solid sales figures for their plug-in vehicles, the first two that were released (all the way back at the end of 2010) from major automakers. As has been the story for most of 2013, December sales for the Nissan Leaf and the Chevy Volt were roughly the same. When we left the year-to-date running tally at the end of November, the Volt was at 20,702, while the Leaf was at 20,080. As you can tell from the image above (if you've been noticing the trend in these EV sales monthly flash-reports), the Leaf outsold the Volt, but was it enough to put the Nissan on top for the year? In 2013, Nissan sold 22,610 Leafs, more than twice as many as in 2012. Almost. The Leaf made a valiant attempt, and did have its best month ever with 2,529 units sold. That means that for 2013, Nissan moved a total of 22,610 Leafs, more than twice as many as in 2012 (that year, Nissan sold only 9,819 Leafs in the US) and actually more than 2012 and 2011 Leaf sales combined (which was 19,493). Nissan continues to see the effects of its price drop and expanded sales areas, with Georgia rapidly becoming a Leaf hotbed. Nissan's Paige Presley said that Atlanta was once again the Leaf's number one market and that, "sales are expanding deeper into Georgia markets such as Macon and Columbus." The Volt saw a boost upwards from a November slump and sold 2,392 units in December. That puts the plug-in hybrid's annual total at 23,094, just down from the 23,461 sold in 2012. For all of 2013, though, the Volt outsold the Leaf by 484 vehicles. In a competition like this, we'll count that as a win for both sides. We will our more detailed monthly green car sales report, which covers more of the fuel efficient vehicles on the market, up soon. News Source: GM, Nissan Green Chevrolet Nissan Electric Hybrid PHEV ev sales hybrid sales