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'Killing a Duramax' Gale Banks YouTube series methodically tunes a diesel to death

Learning or perfecting a skill by watching YouTube videos is known as attending YouTube University. GM Authority picked up on one of the video site's more fascinating courses, hosted by Gale Banks; in a fair world, he should be referred to as Professor Banks when it comes to diesel engines and truck tuning. A few months after GM introduced the updated L5P 6.6-liter Duramax diesel V8 in the 2020 Chevrolet Silverado HD and GMC Sierra HD that ships with 454 horsepower and 910 pound-feet of torque, Banks decided he wanted to methodically tune the engine to death. The purpose of the resulting series, called "Killing a Duramax," is to push more power out of the engine in order to discover which parts break and when — or, as Banks puts it, force-feed the Duramax "until the crank hits the street and the heads hit the hood." With that knowledge, Banks can figure out all the weak points on his way to building what he calls a "Superturbo," that being a supercharged, twin-turbo race engine with more than 1,000 hp. What makes the series fascinating is Banks' knowledge, paired with the company's comprehensive iDash engine monitoring system that keeps tabs on a glut of parameters every step of the way. So for instance, you get Banks explaining the differences between inches of mercury and barometric pressure, how those are different from the water content of the air measured in grains, then showing those readouts on the iDash, then explaining in detail how they affect the air density in the Duramax system. The stock Borg-Warner variable turbo gets a lot of airtime — Banks accuses it of being "out to lunch" because he feels it's the weakest link on the engine. That turns into a turbo teardown and a deep explanation of performance pitfalls, such as when air pressure on the turbine begins to diverge from the boost pressure coming from the compressor. Banks says he can keep close tabs on where power's coming from, because the iDash monitors the horsepower contribution provided by the ambient air, the turbo, and the intercooler separately. The major changes so far are a stouter Precision 7675 turbo and TurboSmart wastegate (episode 5), a twin intake (episode 6), a custom liquid-cooled intercooler from a marine engine, a new GM oil cooler and synthetic oil (episode 10), and new injectors (episode 11).

2016 Chevrolet Camaro starts at $26,695

Parking the new 2016 Chevrolet Camaro in your driveway will cost $26,695, including the $995 destination charge. That's a cut from $27,000 for the same trim on a 2015 Camaro. If you prefer a V8 under the hood, then the base 1SS goes for $37,295, compared to $34,500 for that model currently. The 2016 Camaro is offered as a coupe and convertible in four trim levels: 1LT, 2LT, 1SS, and 2SS. The LT is available with a 2.0-liter turbocharged four-cylinder with 275 horsepower and 295 pound-feet of torque or a 3.6-liter V6 with 335 hp and 284 lb-ft. The SS gets a 6.2-liter V8 with 455 hp and 455 lb-ft. The first examples arrive before the end of the year, but droptops and the turbo engine don't materialize until the first quarter of 2016. Base models come with tech like Chevy's MyLink infotainment system with Apple CarPlay, a rearview camera, automatic climate control, and multiple driving modes. The RS Package adds to the style with 20-inch wheels, HID headlights, LED taillights, a different grille insert, and rear spoiler. Opting for the SS brings a more aggressive exterior look, plus performance upgrades like Brembo brakes, differential and transmission coolers, and a limited slip differential on those with a manual gearbox. Upgrading to the 2SS adds amenities like heated and ventilated front seats, wireless phone charging, a Bose stereo, rear cross-traffic alert, and Side Blind Zone Alert with Lane Change Alert. Options like a Magnetic Ride Control suspension and dual-mode exhaust offer additional sportiness. Reading about the 2016 Camaro is nice, but Chevy now has a visualizer for the pony car. It's not quite a full configurator but lets you check out different colors, wheels, and stripes to imagine your future purchase. Enjoy finding just the right combo. Related Video: CHEVY REVEALS PRICE, ONLINE VISUALIZER FOR 2016 CAMARO 21/08/15 Gen Six Camaro offers more performance, technology and customization choices DETROIT – As production of the lighter, more powerful, more advanced 2016 Camaro grows near, Chevrolet revealed more details to help customers tailor their Gen Six exactly how they want it, including pricing information and an online visualizer. The 2016 Camaro offers higher levels of performance, technology and refinement, starting at a suggested retail price of $26,695 for the Camaro 1LT, while the most powerful Camaro SS ever starts at $37,295 for the 1SS.

Sunday Drive: Tracking Tokyo's top performers

The big news of the week mostly came from Tokyo. All of Japan's biggest automakers made waves at the Motor Show, but the winner of the event has to be Mazda. The big Vision Coupe and little Kai Concept stole the show, won our hearts, and earned a ton of attention for the automaker. We can't wait to see how these two concepts impact the design, engineering, and technology of future production models. Take a look at our mega image gallery post below to see everything in high-resolution glory. Interestingly, the single biggest click-magnet of the 2017 Tokyo Motor Show was the BMW X2. We shouldn't be surprised. Crossovers of all shapes and sizes dominate the American marketplace, and the X2 is clearly the most attractive of BMW's even-numbered, coupe-influenced X models. Plus, it's headed for production, with sales starting in the spring of 2018. Moving past the Tokyo Motor Show, Autoblog readers are apparently very interested in the 2019 Chevy Camaro. Spy shots of just about every iteration of Chevy's muscle car lit up the 'net last week, leaving us very interested in seeing what's hiding behind all that camouflage. As always, tune in to Autoblog next week for a front-row seat to all the happenings worth following in the automotive industry. 2017 Tokyo Motor Show | Mega Gallery Mazda Vision Coupe | Tokyo Motor Show's big, sensuous 4-door Mazda Kai concept hints at a more muscular, refined Mazda3 2018 BMW X2 crossover revealed, adorned in gold and silver 2019 Chevrolet Camaro: 1LT, SS, ZL1 all spied with updated styling