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Electric supercharger + turbocharger = future Dodge?

by David Zatz on

Steven St. Laurent pointed out a recent FCA US patent which covers a combination of an electric supercharger and a turbocharger. The engine computer monitors the performance of both units (along with the usual sensors) to optimize power delivery.

The idea behind the system is to increase ready power at any moment — avoiding turbo lag — without an ordinary supercharger’s parasitic losses at times when full power is not needed.

Electric supercharger with turbocharger

While there is likely no engine coming out in the immediate future with this setup, it may be a sign of things to come. The Hemi is reportedly due to leave passenger cars around calendar-year 2019, replaced by a powerful Chrysler V6, and this could be a way to get 400 horsepower out of that engine.

Even if the “2019 rumor” is true, the company could still use a newer V8 engine — though we are unaware of any being developed in Auburn Hills. Allpar sources specifically mentioned the Hemi V8 being removed from passenger cars, and it will almost certainly continue in Ram trucks as long as it can pass emissions tests.

For certain cars, such as a midsize rear wheel drive crossover, coupe, or sedan, a powerful V6 would be desirable; it would reduce development costs, as the Dodge and Alfa Romeo bodies could be developed at once, cut weight by having a smaller engine bay, and have better natural cornering by coming closer to a 50/50 weight ratio. The 485 horsepower 392 Hemi is a hard act to follow, even without its 707 horsepower cousin.

 

 

David Zatz founded Allpar in 1998 (based on a site he had begun in 1993-94), after years of writing reviews for retail trades. He has been quoted by the New York Times, the Daily Telegraph, the Detroit News, and USA Today. Before making Allpar a full-time career, he was a consultant in organizational psychology. You can reach him by using our contact form (much preferred) or by calling (313) 766-2304


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