Who Knew? – Cadillac introduces first ever twin-turbo V-8 engine. Applying loads of technology they have developed a small displacement 4.2L V-8 that produces a whopping 550 horsepower. Exclusive to Cadillac the all-new engine design is code designated LTA and will be the power plant for the new CT6. It is the first Dual Overhead Cam (DOHC) eight-cylinder engine from Cadillac and GM since the discontinued Northstar V8 in 2010.
The DOHC design should offer smoother operation over the “old school” push-rod engines and a new “Hot V” layout places the turbochargers in the valley at the top of the engine to eliminate turbo lag and reduce the engine’s overall size. The twin-scroll design of the turbochargers, each with electronically controlled wastegates precisely balance output allowing 90 percent of the engine’s 627 lb-ft of peak torque to be available at only 2000 rpm and carried through 5200 rpm.
To enhance engine performance twin intercoolers are used to cool the air temperature going into the engine by more than 130 degrees. Cooler air is denser allowing it to hold more oxygen allowing optimal combustion resulting in more power.
Some of the other specialized technology being used include:
General Motors has a long-standing tradition of partnering with other leaders in engineering and innovation to make the world a better place. Now some of its out-of-this world accomplishments are finding a place in the here and now.
In the 1960s, GM teamed up with NASA to help create the Lunar Rover. It remains the first and only car ever driven by man on the moon. At the time they were pushing the envelope of creativity to develop, design, and test the Lunar Rover. Engineers from GM helped create the revolutionary electric motor drive system, suspension, mesh wire wheels and a unique drive controller adapted for lunar gloves.
Now that revolutionary technology is finding its place in electric vehicles being introduced today here on earth. The Lunar Rover had a price tag of $38 million, but paved the way for current long-range, affordable electric vehicles that do not require a space suit to operate.
General Motors is asking the Department of Transportation for permission to put their self-driving vehicles on the road in 2019. The first Production-Ready autonomous electric cars with no steering wheels or pedals have been named Cruise AV.
GM and Cruise Automation are combining over 100 years of automotive engineering experience with state-of-the-art software and hardware to create a Motor City/Silicon Valley matchup that can safely make driverless vehicles a reality.
Cruise control technology has come a long way. Cadillac’s new Super Cruise is the industry’s first true hands-free driving technology for the highway. Early cruise controls introduced decades ago were sort of neat. Set the speed and just cruise. If you ran into traffic you had to fuss with coasting or brake and resume. With today’s traffic in many places it could be more fuss than cruise.
Super Cruise uses LiDAR-based mapping, cameras, and real-time sensors to remove the fuss and it will even give you a nudge if it thinks you are not paying attention. This real-time data and precision mapping allows control of steering, braking and acceleration.
Some new Cadillac models are the first in the world to contain Vehicle-to-Vehicle (V2V) communication. The vehicles are able to communicate with other (V2V) equipped vehicles to share information to alert drivers of upcoming potential hazards.
This technology allows the vehicle to get and analyze information that is beyond the driver’s field of vision. Kind of like the ability to see through traffic and around corners. It shares vehicles’ locations, speeds, directions and traffic conditions.
Cadillac uses Dedicated Short-Range Communications (DSRC) and GPS and can handle 1,000 messages per second from vehicles up to nearly 1,000 feet away. If multiple vehicles are within range it can create a network of information to alert the driver of upcoming situations giving additional time to react.