Saturday, December 24, 2022

What Ever Happened to Five-Valve Cylinder Heads?

The theory was that adding a third intake valve would get more air into your engine. In practice, it didn't work all that well.

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Driven: How the Corvette ZR1X Stands on the Shoulders of Groundbreaking Porsche 918 Spyder

The limited-run 918 set the standard for hybrid hypercars, the mass production ZR1X pushed the technology to new heights. ...