Sometimes theory is neat, but sometimes it fails to describe what actually takes place. The theory of internal combustion engines falls into this category, especially with respect to the function of ...

For most gearheads, there's nothing quite thrilling like the roar of a tuned engine and the instant kick of improved acceleration. Of course, buying a muscle car to enjoy lots of raw power and torque ...

Porting an intake manifold essentially helps increase airflow into the engine. Improved airflow equates to more horsepower and helps the engine feel more responsive at the throttle. A standard intake ...

Few hobbyists will deny that from the mid-'70s forward, the Second-Gen Trans Am was Pontiac's performance leader. Its front and rear spoilers, wheel flares, and fender-mounted air extractors all ...

We may receive a commission on purchases made from links. Automakers strive to produce the highest-performing engines that meet their budget goals. That often means the performance gains from porting ...