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Maserati switching to in-house twin-turbo V6 and turbo four

Automotive News has been able to put some output figures to the two primary engines that will power Maserati's renaissance. Last year the Italian luxury brand sent notice that it would terminate its deal to with Ferrari to use the Maranello-sourced F160 3.0-liter twin-turbo V6 and F154 3.8-liter twin-turbo V8. As new Maserati models appear and current models are overhauled, the brand will begin installing either Maserati's own 3.0-liter twin-turbo V6, or an FCA-sourced 2.0-liter turbocharged four-cylinder. The V6 will greet the world from the middle of the MC20 supercar poised for debut in September, assuming nothing goes worse with the world than it already has. Rumor from Mopar Insiders and Allpar forums is that Maserati began building its V6 based on Alfa Romeo's 690T V6. Alfa Romeo puts the 690T in the Stelvio and Giulia Quadrifoglio, the engine's development having started seven years ago with Ferrari's F154 V8 as its heart. Tuned for speed, peak output could reach 542 horsepower. After making its home in the racy coupe, the V6 will also serve a new midsize Maserati crossover coming next year, as well as the next GranTurismo coupe and GranCabrio convertible. In the crossover, power is apparently limited to no more than 523 horses. In Maserati's new V6, one piece of technology that permits such high output and emissions friendliness is turbulent jet ignition (TJI). German supplier Mahle has been developing the technology for at least 10 years, and put it to use in Ferrari's Formula 1 engine about five years ago, after which Japan's Super GT manufacturers picked it up. Instead of a spark plug igniting fuel directly in the combustion chamber, TJI places the spark plug and an injector nozzle at the top of a "jet ignition pre-chamber assembly." The injector shoots a mist of gasoline into the pre-chamber, the spark plug fires, and the force of ignition in the pre-chamber sprays the combustion through tiny holes at the bottom of the pre-chamber into the cylinder as the piston rises. Mahle says the shorter burn and improved combustion spread means cleaner-burning gas engines that emit fewer emissions.   AN says that the "new V-6 engine will be 'electrified' in some form." It's not clear if that means all versions of the V6 will get some sort of hybrid assistance, or if — as had been thought — there will be a non-hybrid unit.

Ram/Jeep Ecodiesel engine has Maserati roots

The 3.0L turbodiesel V6 in the 2014 Ram 1500 EcoDiesel earned a slot on Ward's Automotive 2014 10 Best Engines for its power, fuel economy and refinement. In a piece looking at how Fiat subsidiary VM Motor developed the engine, Ward's also makes note of the fact that the same lump goes in diesel versions of the Maserati Quattroporte and Ghibli. They're tuned a bit differently, naturally, with the QP putting out 275 horsepower and 442 pound-feet of torque, the smaller, lighter Ghibli making do with the same number of horses but a lower torque output of 420 lb-ft.
The 240 horsepower and 420 pound-feet put out by the oil-burning six-cylinder in the Ram was tamed with a host of advances, but it appears that Ram hasn't tamed demand: the initial allocation of 8,000 engines was spoken for within three days of the truck going on sale. Head over to Ward's to read the story of how Ram worked out the equation light-duty-pickup + diesel = success.

2023 Maserati MC20 Cielo offers unlimited headroom and 621 hp

Maserati is returning to the convertible segment after a brief hiatus with a topless version of the MC20 named Cielo. The roadster offers the same twin-turbocharged V6 engine and carbon fiber chassis as its coupe counterpart but it gains a power-retractable glass roof panel. "Cielo" means "sky" in Italian — it's a fitting name. Visually, the MC20 Cielo is nearly identical to the MC20 coupe from the rocker panels to the belt line. It's what's above that counts: Maserati fitted the roadster with a glass roof panel that opens or closes at the push of a button in about 12 seconds. The space that it occupies is located behind the passenger compartment so engineers had to redesign the decklid, and the engine is no longer visible through a glass cover. We're told that the transformation adds only about 143 pounds to the MC20 for a curb weight of roughly 3,400 pounds. Maserati planned the convertible model from the get-go so few compromises were made during the development process. The Cielo keeps the cool butterfly-style doors, and it offers the same amount of cabin and trunk space as the coupe. Folding away in a couple of seconds isn't the roof's only trick: it can go from clear to opaque in a matter of seconds thanks to Polymer-Dispersed Liquid Crystal (PDLC) technology. Like the coupe, the MC20 Cielo is powered by Maserati's excellent 3.0-liter Nettuno V6 engine. The mid-mounted six is twin-turbocharged to 621 horsepower and 538 pound-feet of torque, and it spins the rear wheels via an eight-speed automatic transmission. Maserati quotes a zero-to-62-mph time of approximately 3 seconds and a top speed of around 200 mph, which sounds like a quick and fun way to dry your hair. Brembo-built six-piston front and four-piston rear brake calipers keep the engine's power in check. Built in Italy, the 2023 Maserati MC20 Cielo will reach showrooms in the coming months. Pricing will be announced closer to the model's on-sale date. At launch, buyers will be able to order a limited-edition version called PrimaSerie Launch Edition that stands out from the standard model with a specific, three-layer paint color called Acquamarina that was initially developed for Maserati's customization program.