2011 Cadillac Escalade Esv Platinum**awd**4 Dvd Screens**26" Forgiato Wheels on 2040-cars

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GM patent reveals new two-stage turbocharger

Modern turbochargers may be some of the best ever made, but performance is something that engineers are always trying to improve. According to GM Inside News, General Motors (GM) is hoping to alleviate some of the negative aspects of a two-stage turbocharger setup with a newly-patented design. The patent, that was filed on May 19, 2016, reveals a clever bypass system that allows the engine, a four-cylinder unit, to optimize both the low-pressure and high-pressure inlets for its respective functions. According to the filing, a conventional two-stage turbocharger setup is engineered to allow both turbines to operate simultaneously at low and mid engine speeds. At high engine speeds, only the low-pressure turbine works. The setup can't isolate either the low or high pressure side, which can impair low-end performance. GM's new two-stage turbocharger setup looks to eliminate this by linking the high-pressure turbo to the exhaust manifold through the high-pressure inlet duct. The low-pressure turbo is attached to the high-pressure turbo by a low-pressure inlet duct, which is linked to a connecting channel. A single actuator that is housed in the exhaust manifold creates a bypass that can opens the high-pressure inlet or close the connecting channel. Depending on what the engine load and speed is, the ECU guides the actuator—a single rotating spindle with discs corresponding to flanges on the high and low pressure sides—to isolate one of the two turbos. Isolating the turbos allow the respective inlets to be engineered for the best possible fluid dynamic performance. The setup should increase performance and decrease lag. There's no word on what car this setup will make an appearance on, but it will most likely be used in premium vehicles before trickling down to the rest of GM's vehicles. Related Video: News Source: GM Inside News, AutoGuide via GM Authority Cadillac Chevrolet GM Technology Sedan turbo patent engine turbocharging

The 2021 Cadillac Escalade's triple curved OLED screens are gorgeous

The centerpiece and crown jewel of the 2021 Cadillac Escalade is the triple OLED screen setup facing the passengers. It’s an imposing cowl with 38 inches of screen real estate in total, and itÂ’s a Cadillac Escalade-exclusive piece of technology. An interesting and unique feature like this has the potential to set Cadillac apart from the stiff competition in the luxury space.  Its appearance is just like that of the Cadillac Escala concept. We donÂ’t often get to see interior concepts carried into production, so thatÂ’s exciting on its own. The layout consists of a 16.9-inch touchscreen infotainment system, a 14.2-inch instrument cluster and a 7.2-inch touchscreen to the left of the cluster. All of the screens are curved and use OLED technology, which is commonly used on the screen of your Android phone, iPhone or TV. It allows for the deepest blacks, best contrast ratios and extremely vivid colors. In short, an OLED screen is going to look better than an LCD screen, and thatÂ’s why Cadillac is using it. We sat down with a few folks who could tell us more about it. Phil Kucera, Cadillac interior design manager, gave us some background on the decision to implement this tri-screen layout. “To be honest with you, it was a high-end leadership decision,” Kucera says. “There was a lot of, 'Hey maybe we donÂ’t put that on the base level. And why do you have to use OLED?' Because OLED is not the cheap way to go. So the fact that it stayed that size and remained OLED Â… I would bet that youÂ’re going to see other people doing something like this. There was a real push to try and get here first.” Sounds like the screen could have ultimately been a victim of cost-cutting measures. WeÂ’re glad it made it into production, because it looks promising. Sameer Gupta, GM's engineer manager responsible for infotainment, walked us through the new digital landscape. If you didnÂ’t like the old Cadillac software from before, youÂ’ll be happy to learn that this system is a completely new user interface, sharing nothing with any software before. Gupta told us that this is “a complete first-of use of this interface.” “When we started doing the system, we envisioned a system that had rich graphics, but was also simple and adaptive,” Gupta told us. After spending some time poking around in an Escalade, we can report that the new menus are full of rich graphics, pleasing animations and snappy transitions.

Lutz dishes dirt on GM in latest Autoline Detroit

Bob Lutz sits down for Autoline Detroit - Click above to watch video after the jump
Autoline Detroit recently played host to Bob Lutz, and, as is always the case, the former General Motors vice chairman dished out some great commentary. Lutz was promoting his new book Car Guys vs. Bean Counters: The Battle for the Soul of American Business, and talk quickly turned to his role as it related to product development and high-level decision making at GM. While on the topic of brand management, Lutz revealed a few rather interesting tidbits about his former employer:
All Chevrolet vehicles were required to have five-spoke aluminum wheels and a chrome band up front, as part of the Bowtie brand's overall image.