General Motors has filed a new patent that offers a look at how the company may be rethinking cylinder deactivation for its next generation of pushrod engines.

Sanderson Engine Development of Upton has been named “Emerging Company of the Year” by consulting firm Frost & Sullivan. The award recognizes the company’s “Sanderson rocker-arm mechanism, which does ...

The debate over the optimum rocker arm ratio to use has dragged on probably since the invention of the pushrod V-8. Even though Chevrolet made the decision easy for us when it engineered the original ...