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Comment by philjackson | Hacker News Reader

You can also fill in the gaps with clever twin turbos these days. BMW are particularly good at it. Small one to spool up quickly and fill in the low range, larger one to take you through the mid.

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Nissan is pretty good at it, too. The twin turbo GTR destroys all of Ferrari's best offerings and costs 2.5-10x less while doing so. It's interesting that the author implies that only naturally aspirated engines give you the precise control you need in cornering when a 3.8L V6 with two enormous turbos strapped to it handily beats almost every other road-legal, non-gokart, NA-engine'd car except the Aventador... for only $100,000 brand new.

http://en.wikipedia.org/wiki/List_of_Top_Gear_test_track_Pow...

A tuned GTR easily beats the Aventador, though, for a fraction of the price.

https://nurburgringlaptimes.com/lap-times-top-100/

Similar things have been done for decades. The Porsche 959 (1986-1989), Toyota Supra MKIV (1993.5-1998 USA), and FD RX-7 all had a sequential turbo setup, but they were all using two turbos of the same size. All The exhaust gas is diverted through a single turbo at low RPM to spool it quickly, then after a certain RPM is reached gas begins being diverted through both turbos equally.

The problem is the control systems and extra plumbing get pretty complicated. The setup in the Supra is lovingly referred to as "the rat's nest"

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