https://www.hemmings.com/stories/20...powered-electra-wagon-broke-gms-cardinal-rule Apparently the Buick performance team threw the Turbo 3.8L V6 in just about everything they could fit it in, including an Electra Estate wagon that they called the superwagon. According to the article: “Chevy showed up with twin-turbo Callaway Corvettes, and we put them on the drag strip, and we beat them with four straight runs. And one of them was the wagon.” “The Chevy guys snuck away like spies, and that’s when they told GM management,” Mr. Doble said. “GM did not like it. Chevrolet hated it.” Heh, cool.