While small-block Chevy engines sound good, it's a different note ... the 2023 Portofino M also features a twin-turbocharged flat-plane crank design. The 3.8L V8 produces 612 horsepower and ...

One might assume that there is only one way for an engine's crankshaft to work, but that is not the case. In actuality, there are two different crankshafts: flat-plane and cross-plane cranks.

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A V8's flat-plane crank appears very similar to ... The Temerario's redline is 10,000 rpm, which its engine designers used to produce a thrilling sound when combined with its flat-plane whine.