In 1998, Pontiac handed its Firebird Trans Am the same all-new V8 architecture GM had just introduced in the Corvette a year earlier. A functional Ram Air hood pushed the WS6 package to 320 horsepower, the strongest regular-production Trans Am Pontiac had built up to that point. Here’s how a car built in the shadow of the Firebird’s own cancellation became one of its most important engineering stories.