Why this rare engine wasn’t the formidable muscle car V8 Pontiac hoped for
Chris Mercer/Shutterstock In the late 1960s, Pontiac had some serious V8 engines that ate large amounts of air, what the brand called “ram air” induction. Later Ram Air V8s used a round exhaust port design, allowing more airflow than the standard D-shaped port. However, Pontiac ran into