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FCA inline-six rumored to be real, headed for Jeep Wagoneer

In September, Allpar reported that that clues being dropped at Fiat- Chrysler headquarters, in the carmaker's factories, and on engineer resumes pointed to the development of an inline six-cylinder engine. The site has just proclaimed the rumor is reality, writing that the straight-six, "turbocharged to meet or beat 5.7 Hemi power ratings, with a smoother torque curve, is on the way." The motor's first outing is expected to be either the next-generation Jeep Grand Cherokee, debuting perhaps next year, or the Jeep Wagoneer, debuting in 2020 or 2021. "Tornado" is the purported codename for the power plant said to be just under three liters in displacement, expanding the family begun with the Global Medium Engine 2.0-liter turbo codenamed Hurricane. Engine bay constraints and a long use horizon mean engineers won't simply add two more cylinders to the GME, however. Allpar says the brief is to keep the Tornado GME-T6 — the alphanumeric for "turbocharged six" — no more than three inches longer than the Tigershark 2.4-liter four-cylinder. That means "major design changes" that could include a space-saving head, more closely spaced cylinders, and no cylinder liners. An FCA division called Comau could be called on for its "SmartSpray" plasma lining technology. Allpar muses that the standard version of the engine for Chrysler, Dodge, Jeep, and Ram could get a single twin-scroll turbocharger. Performance trims for Alfa Romeo and Maserati could get different heads and maybe twin turbos, an SRT version might also get both those tweaks. History shows that the Italian versions would make changes to the block, as well. Even so, the Tornado would be less expensive than any Ferrari-supplied V6. A straight-six would put FCA in company with current adopters BMW and Mercedes-Benz, future users like Jaguar, and perhaps Aston Martin. The engine would span the widest range of use cases in the U.S. carmaker's portfolio, though. Potential applications include being a base engine for Ram trucks, serving double duty as a base engine and 5.7-liter Hemi replacement for the Dodge Charger and Challenger, working in the high-end Jeeps, and as a properly hot trim — with Ferrari-designed heads — in the luxury Italian sports cars. The Alfa Romeo Giulia begs for just such motivation to fill the gap between the 280-hp, $42,695 Ti Sport RWD and the 505-hp, $73,700 Giulia Quadrifoglio RWD. And a twin-turbo inline-six in a Maserati Alfieri would stack up nicely with the Germans.

Maserati Boomerang concept could fetch millions at auction

It's not every day that a truly head-turning, show-stopping, one-of-a-kind concept car goes up for auction, but that day is coming soon. Bonhams consigned the one and only Maserati Boomerang concept for its upcoming auction in Chantilly, France. The concept, designed by the inimitable Giorgetto Giugiaro at his Italdesign studio, debuted at the Turin Motor Show in 1971, and resurfaced at the Geneva Motor Show the following year in fully functional form. It was based on the Maserati Bora (by the same designer), packing a V8 engine good for 300 horsepower and 300 kilometers per hour (186 mph). What really set it apart, however, was its dramatic wedge shape that could only have been penned by Giugiaro. Of course it was never put into production, but its design was said to have influenced the original Golf that Giugiaro designed for Volkswagen shortly thereafter – to say nothing of the BMW M1, DeLorean DMC-12, Lotus Esprit, and so many others. In correspondence with Autoblog, Bonhams specialist Philip Kantor quoted its pre-sale estimate range at ˆ3-4 million (about $4 million, give or take half a million, at current exchange rates). That might seem like a big chunk of change, but as Kantor points out, "It's a unique, road registered concept car by the best car designer of the 20th century, so in comparative terms it's very realistic." We'll look forward to seeing bidding reach that range when the gavel drops on Sept. 5. For now, you can check out its sharp lines in the high-resolution image gallery above. THE ONE-OF-A-KIND MASERATI BOOMERANG OFFERED AT BONHAMS 5 Sep 2015, The Chantilly Sale A signature concept car of the 1970s, the Maserati Boomerang was a one-off prototype unlike anything seen before. Using geometric shapes and ruler straight lines, its angular style made a strong statement at the 1971 Turin Motor Show. Now the Boomerang is set to cause a stir once again as a highlight lot of Bonhams 5 September Chantilly Sale. Philip Kantor, Bonhams European Head of Motoring, said: "The Boomerang was the first car of its time to create such a strong, angular style statement. It's considered by many to be one of the most remarkable designs of the 20th century and the 'grandfather' to the Volkswagen Golf Mk 1.

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.