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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.

Use this PowerPoint when convincing your spouse to let you buy a Corvette

When you are not the one in charge of the purse strings, creativity is a must when trying to get the string-holder to bankroll that next shiny object you just can't live without.
When I was a kid, I decided that life wasn't worth living if it weren't in pursuit of owning a GMC Typhoon. My 12-year-old self crafted a fiscal strategy that, when combined with my offer of a 49-percent share of ownership in the car in return for my parents' contribution of 80-percent of the purchase price, would see me behind the wheel of a Typhoon by the time I hit college. They walked away from the negotiating table and, the economic climate of the 8th grade being what it was at the time, another partner wasn't found before the Typhoon was discontinued.
Roy El-Rayes, however, has succeeded where 12-year-old me failed, and he did it by using the sort of professionalism that only a PowerPoint presentation can provide, along with some humor and bold-faced flattery.

2017 North American Car, Truck, and Utility of the Year entries announced

Over 40 vehicles will compete for the 2017 North American Car, Truck, and Utility of the Year awards. If that name looks a little strange, it's because the competition added a third category. In years past, pickup trucks, crossovers, SUVs, commercial vans, and minivans competed for the same award. That's why there were occasionally weird comparisons, like last year's competition between the Volvo XC90 and Nissan Titan XD. The new format separates pickups and commercial vans into the truck contest and CUVs, SUVs, and minivans into the utility competition. A complete list of eligible vehicles is below, but here are a few highlights. For one, the entire list of entries has a luxurious lean. Of the 43 vehicles, nearly half of them are from premium brands. There are two eligible Bentleys – the Bentayga and Mulsanne – the Rolls-Royce Dawn, Jaguar F-Pace, Audi Q7, and the Mercedes-Benz GLS-, E-, and S-Class Maybach. The performance ranks are lofty, too, with the Audi R8, Acura NSX, Alfa Romeo Giulia, Mercedes SL- and SLC-Class, Porsche 718, and F-150 Raptor. The mainstream entries are just as comprehensive. From the Chrysler Pacifica to the Chevrolet Cruze to the Fiat 124 Spider to the Mitsubishi Mirage, NACTOY has covered an enormous price range with this year's contestants. Of course, these are only the eligible vehicles. They'll need to run through three rounds of judging, starting in September at NACTOY's traditional Hell, MI, test drive. The Canadian and American journalists involved in the judging will announce this year's nine finalists – three in each category – on December 6. Cars Acura NSX Alfa Romeo Giulia Audi A4 Audi R8 Bentley Mulsanne Buick Cascada Buick LaCrosse Cadillac CT6 Chevrolet Bolt Chevrolet Cruze Fiat 124 Genesis G90 Hyundai Elantra Infiniti Q60 Jaguar XE Kia Cadenza Lincoln Continental Mercedes-Benz E-Class sedan Mercedes-Benz S550 Maybach Mercedes-Benz SL-Class Mercedes-Benz SLC-Class Mini Clubman Mitsubishi Mirage/G4 Porsche 718 Boxster and Cayman Rolls-Royce Dawn Toyota Prius Prime Volvo S90 SUVs Audi Q7 Bentley Bentayga Buick Envision Cadillac XT5 Chrysler Pacifica GMC Acadia Infiniti QX30 Kia Sportage Mercedes-Benz GLS-Class Jaguar F-Pace Mazda CX-9 Nissan Armada Trucks Ford F-Series Super Duty pickups Ford F-150 Raptor Honda Ridgeline Nissan Titan half-ton Related Video: Featured Gallery Bentley Bentayga View 23 Photos News Source: Automotive News - sub.