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Hyundai CVVD engine brings another dimension to valve timing

A new technology from Hyundai Motor Group places another marker on the march to more efficient internal combustion engines. Called Continuously Variable Valve Duration, the innovation permits two options for how long the intake valves remain open during the combustion cycle. The feature adds a third take on valve chicanery, atop variable valve timing that changes when valves open, and variable valve lift that changes how far valves open. Hyundai says the feature returns a 4% improvement in performance, a 5% increase in fuel economy, and lowers emissions by 12%. Hyundai applied for two patents on the valvetrain process in South Korea in 2011 and again in 2015. The altered valve duration in this latest iteration is made possible by two movable arms inside the camshaft. Each arm is anchored at its base to a pin at the center of the camshaft, while the end of each arm extends toward the edge of the camshaft. Changing the position of the pin in the center of the camshaft changes the angle of the arms relative to one another, which moves the camshaft along its mounting rod. Voila, a new intake cam profile that either lengthens or shortens valve overlap.   During low-speed spells at low load, CVVD opens the intake valve from the middle to the end of compression stroke. The weaker detonation isn't a factor at low load, and the reduced friction during compression improves fuel economy. During heavy engine loads, the intake valve closes at the beginning of the compression stroke to maximize the amount of air mixed for detonation, boosting torque. Four additional features enhance the benefits of CVVD. A more powerful direct injection system increases fuel spray pressure from 250 bar to 350 bar. Hyundai doesn't go into details on its Integrated Thermal Management System, but says the ITMS "quickly heats or cools the engine to the optimal temperature." Low-friction components lower overall engine friction by 34 percent. And a low-pressure exhaust gas recirculation layout diverts low-pressure exhaust gas from the traditional EGR route to the turbocharger compressor under high load for better fuel efficiency.   The first engine to boast the new tech is the Smartstream G1.6 T-GDi four-cylinder, which produces 180 horsepower and 195 pound-feet of torque. It will appear in the 2020 Hyundai Sonata Turbo going on sale in South Korea later this year.

Kia goes Rebel with Forte Mud Bogger for SEMA

Kia is planning a raft of six custom creations for the SEMA show this year, each representing a different region of the United States. Just the other day we brought you a teaser showing off the Sorento built for adventure to represent the Pacific region. Now the Korean automaker is giving us a glimpse at the next addition to the lineup. Based on the Forte Koup is this Mud Bogger concept, representin' the Dirty South "and the inexplicable joy of getting dirty on four wheels." It's got a suspension lifted by four inches, 28-inch off-road tires, riveted fender flares, a panoramic vinyl roof panel, and a stripped-down interior. The seats have been replaced by a pair of Sparco racing buckets, the carpet's been removed and replaced with a spray-on bed-liner, and a full roll cage has been fitted and powder-coated to match the white wheels and brush guard. Scope it out in the teaser video, and watch this space for more on the rest of Kia's localized lineup for the Vegas tuner expo. FORTE KOUP MUD BOGGER Kia returns to SEMA this year embracing the spirit of adventure found on the open road with six highly customized, hand-built concepts, each showcasing unique geographic regions found throughout the country. Bringing to life the various car cultures that help define America's love of the automobile, here's a behind-the-scenes glimpse of the Forte Koup Mud Bogger, representing the adventurous American South and the inexplicable joy of getting dirty on four wheels. Giving this one-of-a-kind Koup the clearance to tackle extreme terrain started with a generous four-inch body and suspension lift along with meaty 28-in. off-road tires. To further accommodate the massive wheel and tire combo, the fenders and side skirts were modified and custom riveted fender flares added. A panoramic roof with a vinyl pushback top gives way to the stripped-down interior where the carpet has been removed and the entire floor is lined with Line-X protective coating. The stock seats of the Forte Koup have also been replaced with two Sparco Evo II Red Race Seats and the Forte Koup Mud Bogger incorporates a hand-built roll cage powder coated white to match the wheels. This Kia with a southern flare is purpose-built for off-road fun that takes you down the road less traveled. News Source: Kia Aftermarket SEMA Show Kia Coupe Off-Road Vehicles kia forte SEMA 2015 kia forte koup

2020 Kia Soul gets funkier and adds a long-range Soul EV

The Kia Soul, the clear victor of the funky box fad of the mid-2000s, has been completely redesigned for the 2020 model year. It's still very square, but it's even funkier than before. The big, cute headlights of previous models have been swapped for a more futuristic, almost brooding set of slender lamps up top connected by a piece of plastic for a full-width look. They're supplemented by additional lights in large pods in the front bumper. There's a large grille in the bottom of the bumper, too. The overall nose is a bit more rounded, but the whole profile is about as upright as ever. The rear is completely vertical and retains vertical taillights that now have a wraparound look. The fenders don't visually protrude as much, but they're highlighted by deep creases around the wheel arches. There are an array of trims to pick from on the new Soul, some of which have significant style tweaks. LX, S and EX make up the basic Soul, with an EX Designer Edition offering up two-tone paint between the roof and body as well as big 18-inch wheels. The Kia Soul Turbo is replaced by the Soul GT-Line, which can be had with the turbo engine or the naturally aspirated engine. It has a much more aggressive front fascia with extra slots around the grille and side sill extensions with red accents. The turbo version gets center-exit exhaust, bigger brakes and stiffer suspension. Then there's the new X-Line that gives the Soul a crossover look with plastic body cladding, fender flares and fog lights. It also has two-tone paint as an option. 2020 Kia Soul View 11 Photos Despite all the design changes, the new Soul is almost exactly the same size as the old one. It's just over 2 inches longer, and adds a little over an inch between the wheels, but width and height are the same. Passenger space is nearly the same, too, giving or taking a couple tenths of an inch here and there. There is much more cargo space now, though, picking up an extra 5 cubic feet for a total of 23.8. The restyled interior also gets some nice new features such as customizable ambient lighting, an available 10.25-inch touchscreen and a heads-up display. There are three powertrains available for the Kia Soul, and only one is a carryover from the previous model. Starting at the bottom is the naturally aspirated 2.0-liter engine. This engine is also found in various other Hyundai and Kia products such as the Forte. It makes 147 horsepower and 132 pound-feet of torque.