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Chevy says not to look at the 2019 Silverado's fuel economy rating

The 2019 Chevy Silverado is hitting dealerships soon, and one of the most notable changes for the new full-size pickup is the addition of a 2.7-liter turbocharged inline-four. The engine replaces the naturally-aspirated 4.3-liter V6 in volume consumer models like the Silverado LT and promises more power, less weight and — most importantly — better fuel economy. The thing is, the gains in efficiency haven't been as dramatic as some might have hoped, especially when stacked up against competitors from Ford and Ram. As Automotive News reports, GM's response is a little murky. First, let's talk numbers. We're pulling all figures from FuelEconomy.gov, the official U.S. government source for fuel ratings. Fuel economy numbers on trucks vary greatly based on a number of factors. Bed and cab configuration play a part, but so does a four-wheel-drive system. You also have to factor in tires, transmissions, rear-axle gearing, hybrid systems and cylinder deactivation. Things like that can make the difference between best- and worst-in-class. The EPA's website doesn't give enough information a lot of the time, so there's really no easy way to compare apples-to-apples. First, take a look at the ratings for the 2019 Silverado. A 2.7-liter model with two-wheel drive is rated 20 city, 23 highway and 21 combined. That's both better and worse than a two-wheel drive 2018 Silverado with the 4.3-liter V6 (18 city, 24 highway and 20 combined). The updated 2019 Silverado with a 4.3-liter V6 has yet to be rated. With less weight and a smaller engine, many hoped Chevy would make bigger gains. It's unusual to see any decrease in a fuel economy metric these days. GM says that it's not done tuning the new 2.7-liter engine, so fuel economy could theoretically increase. Expanding further, a V8-powered 2019 Silverado (17 city, 24 highway and 19 combined) actually gets better highway fuel economy than a turbocharged four-cylinder powered truck in certain configurations, even if the latter has a better overall average. But that's only with two-wheel drive, the 8-speed transmission and cylinder deactivation. A Silverado with the 5.3-liter V8 and a 6-speed automatic is rated at 15 city, 22 highway and 17 combined. The biggest issue with the Silverado 2.7-liter doesn't come from within GM itself but from Ford and Ram. GM cites the Ford F-150 with the 3.3-liter V6 and the Ram 1500 with the 3.6-liter V6 as the closest competitors to its new 2.7-liter inline-four.

Ford Mustang Shelby GT350R-C set to storm Watkins Glen

Ford is bringing its latest high-performance Mustang back to the track with the new 2016 GT350R-C, which will debut and race in this weekend's IMSA Continental Tire SportsCar Challenge race at Watkins Glen. The spiritual successor to the Boss 302R that's still taking part in the Continental Tire series today, the first GT350R-C will be campaigned by Multimatic Motorsports. It's had its fully independent suspension completely revised for the track, and it gets everything from new spring rates to new anti-roll bars to a lowered ride height. Like the road-going GT350, a 5.2-liter, flat-plane-crank V8 sits under the hood, although Ford didn't release any specifics on power output. In fact, details are in short supply. We're expecting some sort of sequential racing transmission, wildly enhanced brakes, and a thoroughly race-prepared cabin, although Ford hasn't released any info on that stuff. The Blue Oval also hasn't said anything about the aerodynamic package, but strangely, it looks more or less like what's featured on the standard GT350R. The front fascia and rear wing are pretty much identical, and even the side sills seem roughly similar to the production model. "Like so many Mustangs before it, the Shelby GT350R is a car born to race," Ford's director of global performance, Dave Pericak, said in the attached press release. "We're taking it to the track as the GT350R-C and we're ready to see what it can do against the best competition in the world." Scroll down for the official press release from Ford. And if you're so inclined, you can check out the GT350R-C's debut race this weekend at IMSA.com, with coverage starting at 12:25 P.M. If you prefer normal TV, Fox Sports 1 will get around to re-broadcasting the race on July 5 at 10:00 A.M. Related Video: Ford Performance Shelby GT350R-C to Make IMSA Competition Debut at Watkins Glen • All-new Shelby® GT350R-C embodies Ford innovation through performance as race car makes its competition debut this weekend at Watkins Glen • Shelby GT350R-C to compete in the remainder of the 2015 IMSA Continental Tire SportsCar Challenge with Multimatic Motorsports • Competition version of Shelby GT350R features all-new 5.2-liter flat-plane crankshaft V8 created to extend on-track performance DEARBORN, Mich., June 24, 2015 – There's no mistaking the wicked sound or aggressive looks of the all-new Shelby® GT350R-C that Ford announced today would see its first official track time at Watkins Glen this weekend.

The U-2 spy plane needs high-performance cars to help land

Typically, aircraft deploy their landing gear from three main points. Most military aircraft, for example, deploy two gears at the back and one forward, like a tricycle. Some civilian aircraft flip the layout, with two in front and one in back - tail-draggers. The U-2 Dragon Lady is wildly different than any of these. With a 103-foot wingspan but a body that's just 63-feet long, the layout of the U-2 makes a traditional landing setup infeasible. Instead, the U-2 utilizes a pair of wheels, one up front and one in back. With such a bizarre layout, landings are so tough that since the U-2's earliest flights at Area 51, the US Air Force has used high-performance chase cars to guide the pilot down safely. The landing process isn't over there, though. As this video from Sploid shows, balancing out the aircraft to fit the detachable "pogos" – think training wheels for spy planes – is a comical procedure requiring a number of airman using their full body weight to even out the U-2. This video also recaps some of the great vehicles that have served as chase vehicles for this legendary spy plane. They include Chevrolet El Caminos, and the Fox-body Ford Mustangs so favored by the California Highway Patrol. For the last several years, the USAF has utilized products from General Motors, using fourth-generation Chevy Camaros, before switching over to the Pontiac GTO and most recently, the awesome Pontiac G8. It's fair to say that if you're a gearhead in the Air Force, this is the job you want. Check out the video, embedded up top. News Source: Sploid via YouTubeImage Credit: Sploid Chevrolet Ford GM Pontiac Military Performance Videos