Trick Flow designed the Twisted Wedge head with a 13-degree intake-valve angle along with the standard 23-degree exhaust-valve angle. Despite the intake-valve angle change, the head is a 100-percent ...

Multidimensional simulations of coupled intake port/valve and in-cylinder flow structures in a pancakeshape combustion chamber engine are reported. The engine calculations include moving piston, ...

The accompanying charts and graphs indicate relative flow improvements gained when out-of-the-box Street Replacement (SR) heads are treated to mild bowlwork, radiused valve angles under the seat, and ...

One of the quickest and easiest ways to improve your truck's performance is to modify the intake system to increase airflow and reduce pumping losses. This allows an engine to produce more power ...

No truck has been more influential for the automotive aftermarket than the Chevrolet Silverado. Throughout its history, the Silverado has sported a distinctively pure performance aesthetic. Void of ...