Cadillac’s Next-Gen V-6 Engines: The Fun One Has Two Turbos and 400 Horsepower

Cadillac is about the march to eventually become the world class high-end brand of your dreams. Additionally, General Motors has refurbished its Michigan, Romulus, engine plant to the tune of $540 million, empowering that facility to assemble the two all- .

The two new V6 engines will appear in the 2016 CT6 flagship sedan of Cadillac, but the engines may also make their way to the CTS as well as the ATS.

2016 Cadillac CT6 double-turbocharged 3.0-liter V6 cutaway
When GM says "all new," it actually means it. Both have vehicle stop- cylinder and start shutdown capacity for improved efficiency. They are engineered for both longitudinal and transverse orientation, but it is worth noting that Cadillac will stick together with the latter arrangement.

These engines are, basically, the fourth generation descendants of GM's so called "high-characteristic" V6 produced in 2004. Based on Dave Muscaro, GM's worldwide leader engineer for V6s, the precedence that guided development were low sound, vibration, and harshness; high output (electricity and torque per unit of displacement); responsiveness; operation; and efficiency in every planned use.

Muscaro goes on to call the twin turbo, "the auto industry's most sophisticated V6," based on the very first-ever mix of turbocharging, direct injection, vehicle stop-start, and cylinder deactivation.

Dave Leone, the executive chief engineer of Cadillac, is quick to indicate that these two new V6s aren't the death knell for V8s. While the wreath dropped encircling its crest as the classic V insignia as well as early gear has not been seen for ages, strong V8s will live on in V series and Vsport versions where they are crucial for stature, operation, and refinement. Want evidence? Cadillac has declared that in addition to these brand new sixes, the 2016 CT6 will get a double-turbo V8. Sweet.

Thus, streamlined V6s that can run as V4s during light load conditions to conserve fuel. The savings come from less heat and decreased throttling declines.

GM patents were earned by several of the special features. The titanium aluminide turbine wheels inside the Mitsubishi turbos reduce rotating inertia by a promised 51 percent. Incorporated exhaust manifolds save price, volume, and mass. A two-phase variable displacement oil pump manages valve and lubrication - while minimizing parasitic drag disabling needs. Intake-interface flow that results in the atmosphere tumbling to the cylinder helps air and fuel mix and fire propagation . Roller-finger cam followers have a latch apparatus activated by oil pressure to supply either no or complete lift to disable a cylinder. Big-diameter, rubber-cushioned, out-of-round cam sprockets damp sound and friction to reduce. Two parallel coolant courses through the heads and block reduce declines that are parasitic in the water pump.

2016 Cadillac CT6 3.6-liter V6
The 3.6-liter engine generates 335 hp at 6800 rpm and 284 lb-feet of torque at 5300 rpm on standard fuel. It's an 11.5:1 compression ratio to produce a higher specific output signal than similar Audi, BMW, and Mercedes Benz sixes. Compared to GM's current Gen 3 V-6, there is a 9-percent increase in fuel efficiency plus 14 more hp and an additional 9 lb-feet of torque. Assistant chief engineer Ameer Haider reports model brake-specific fuel consumption (BSFC, or hp per increment of gas used) and 5 decibels less sound than Audi's 3.0-liter TFSI V-6.

Having a bore of 86 millimeters, it follows world practice that is popular, joining 500 cc-per-cylinder displacement, improved direct fuel injection, and aspiration. While BSFC is about 8-percent more compared to LGX, in accordance with GM it's still a lot better than direct competitors. Airflow roar is quelled by resonators involving the turbos and intercoolers. Special output signal is 20 percent more compared to BMW and Audi engines.

This box provides a manual mode via paddle shifters, fast shifts, as well as the capacity to hold a gear in the redline before a shift is commanded by the motorist. The electronic control in charge is four times faster to respond. Including a transfer case below the engine to a front differential as well as the tail gives CT6 buyers the choice of choosing four-wheel drive with both of both new V6 engines.

From what we have seen, the brand new CT6 might be understated in look but it bristles with interesting technology, including a unibody constituted of aluminum and steel and these innovative, state of the art powertrains. Add everything together and you have got a competitive poke at eyes belonging to high-end-group leaders BMW, Mercedes-Benz Lexus,, and Audi.

21.03.2015
ID:1599

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