The newer BMW 335 use the twin scroll turbo I believe, if that's what you're referring to.
Twin power turbo 4 cyl
I was reading about these on popular science. AMAZING. the concept is so cool. I wonder if there is one out there that could be modified to be put on our engines. I would anticipate at least a ten to twenty percent increase in mpgs.
Look in google and search popular science and two in one turbochargers.
Look in google and search popular science and two in one turbochargers.
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VW and Volvo both have new "twincharged" engines. A supercharger for low-end torque (eliminates turbo lag, even from a small turbo, entirely) and turbocharger for top-end HP. Think it's a great concept, although expensive.
The CTD, though, has a variable geometry turbo to allow it to create boost at both low and high RPM...not a simple one-sized turbocharger with a wastegate like the 1.4T engines use.
The CTD, though, has a variable geometry turbo to allow it to create boost at both low and high RPM...not a simple one-sized turbocharger with a wastegate like the 1.4T engines use.
I twin charged my cobalt and it was cool I could have got a lot more power if I would have stuck with just a turbo. The problem with big numbers on twin charge is controlling intake air temps.
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