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McLaren details the 4.0-liter V8 Senna

Megane R.S Video

Ahead of it public debut at the Geneva International Motor Show next month, McLaren has released further information on the Senna. Fitted with a 4.0-liter twin-turbocharged V8 – McLaren’s most powerful IC engine ever produced for a road car – the limited release hypercar will develop 800ps and 800Nm.

Ford Ranger returns to the USA with a 2.3-liter EcoBoost engine

ecoboost_video

Fitted with the 2.3-liter EcoBoost engine taken from the Focus RS, the 2019 Ford Ranger marks the OEM’s return to America’s mid-size truck segment. Paired with a 10-speed automatic transmission, Ford promises torque comparable to a V6 and the efficiency of a four-cylinder.


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The next issue of Engine Technology International will bring you an extended HCCI technology feature, but will this innovative powertrain development ever jump from concept to mainstream production?

News

Allison unveils all-new xFE models

As the automotive industry continues to push for improved emissions, Allison Transmission has announced its latest technology for its 1000 series and 2000 series xFE, meaning medium-duty buses and trucks can use even less fuel.

Despite having the same space claim as previous the models, thanks to a redesigned torque converter damper – coupled with the FuelSense 2.0 Max package – the fully automatic bus and truck transmissions have demonstrated fuel economy improvements up to 7% when compared with baseline models.

The new damper enables first range lock-up, which means there is significantly more lock-up operation during lower engine speeds to further improve fuel economy. Additionally, the xFE transmissions are compatible with alternative fuel engines.

“Other than our electric hybrid products, xFE models represent the very best fuel economy technology we offer,” said John Coll, senior vice president of global marketing at Allison Transmission. “Our goal with this expansion of the xFE portfolio is to also now achieve the best fuel economy from an automatic transmission in smaller, medium-duty buses and trucks.”

“The new design works to achieve enhanced fuel economy in stop-start dense, low-average-speed duty cycles,” said Coll. “Transit and city buses are the ideal candidates for this technology and that’s why we’ve remained focused on those applications.”

Written by Sam Petters

12 October 2017


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