Chevrolet’s small-block V8 has outlived entire automotive trends, surviving turbo crazes, multivalve revolutions, and now the industry’s pivot to electrification. The constant through all of that has ...

General Motors has spent decades refining overhead-valve V8s while much of the industry pivoted to dual overhead cam designs, turbocharging, and downsized blocks. I set out to understand why Chevrolet ...

Four-valve-cylinder-head technology is the current darling of the O.E.M. auto industry, primarily because it allows manufacturers to increase power without using a turbocharger or experiencing the ...