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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).

Star Wars Car Drives To The Dark Side Of Comic Con

When it comes to designing coveted collectible toys for sale at Comic-Con, the annual celebration of pop culture lifting off Thursday in San Diego, the sky's the limit for the designers at Mattel. Fittingly, the building where Mattel's dreamers conceive of their limited-edition playthings is just down the street from the Los Angeles International Airport. Inside the colorful design center - a Hot Wheels-themed shuttle bus transports employees from Mattel's parking garage - the designers have spent the past year working on 10 toys created especially for the Comic-Con crowd, including a replica of the Batmobile from the upcoming game "Batman: Arkham Knight" and a 9-inch-tall action figure of Superman killer Doomsday. "We don't have to worry about retail. We don't have to worry about margins," said Doug Wadleigh, Mattel's senior vice president of global brand marketing for boys and entertainment. "We don't have to worry about operational efficiencies. We only have to worry about creating the coolest toys for our fans. Period." It also offers some escape from Mattel's reality these days. Like other toy makers struggling in this digital, video-centric age, the company is trying to remain relevant in the retail world. Core brands like Barbie have seen less of a demand, with a 14 percent drop in sales in the first quarter of this year. Mattel had a net loss for the first three months ending March 31 that totaled $11.2 million. But things will at least seem rosier at Comic-Con, where eager buyers for the toys await (the only other place they will be sold is on the Mattel collector's site). Mattel's exclusives this year run between $20 and $85, but elite toys can fetch much more when they're put up for auction. The crown jewel for Wadleigh and his team this year is a Darth Vader die-cast car, the first official collaboration from Hot Wheels and the "Star Wars" franchise. The car - imagine if a Chevrolet Corvette C5 and the villainous Sith lord's helmet had a baby - comes in a sleek black box and encased in a replica of Vader's lightsaber, complete with a swooshing sound effect. "We've been trying to partner with Lucasfilm and Disney on this property for a long time," said Wadleigh. A full-size working replica of the Vadermobile will be on display at Mattel's booth at the massive San Diego Convention Center.

More than half of Mazdas sold in 2018 are CX-5s, and other interesting sales facts

Last year was a seriously good year for carmakers. Overall, more vehicles were sold than in 2017, and the total number wasn't far off of the all-time record in 2016. Digging deeper into the numbers, you'll find some pretty usual stuff including the Ford F-Series still being the bestselling pickup truck in America, and a continued trend toward crossovers. But there are also some oddball factoids tucked in these sales reports, some that defy the trends, and some that are extremes of the public's buying preferences. We've compiled several interesting tidbits from last year's sales right here for your enjoyment. More than half of Mazda's sales were of CX-5s Yes, over half of all Mazda sales were of this one model. The company sold 300,325 cars in America last year, and 150,622 of them were CX-5 crossovers, or 50.1 percent. Just for emphasis, that means the other 49.8 percent of Mazda's sales were split among five other models, the Miata, 3, 6, CX-3 and CX-9. Breaking that down further, the second-best seller was the Mazda3 at 64,638, which isn't even half of the CX-5's sales. People are crazy for Mazda's middle crossover. Volkswagen actually sold more cars than crossovers It's clear that the crossover is the future king of car sales. For most mainstream brands, it already is. Chevy, Ford, Honda, Toyota, Subaru, Mazda and Nissan all sold more crossovers and SUVs than they did conventional sedans and hatchbacks. There are holdouts, though, and one of them is Volkswagen. At the end of 2018, the company sold 189,343 cars and 164,721 crossovers in the U.S. So that's one win for the classic car set, and it's justification for VW to maintain its car line for the foreseeable future. It's a bit of a hollow victory, though. Look closer and you'll see that car sales were down 28 percent from 2017, when VW sold 262,029 cars. Crossovers, on the other hand, jumped 112 percent from 2017 when 77,647 crossovers moved through U.S. dealers. So expect the tables to turn very soon. Mustang is still the muscle-car sales king, but Challenger is the only one to improve Once again, the Ford Mustang topped the muscle-car sales charts, beating out the Dodge Challenger and Chevy Camaro. Ford moved 75,842 of the ponies in 2018, while Dodge sold 66,716 Challengers for second place, and Chevy sold 50,963 Camaros to bring up the rear.