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.

One of These Cars Will Be Our 2026 Performance Car of the Year

This year's field includes nine contenders, including the two most ambitious American cars since the Ford GT40. View in Browser   EXCL...