The 1987 Buick Regal Grand National remains one of the most talked-about American performance cars of the 1980s, and its factory-built GNX variant pushed the platform even further. Built through a ...

When Larry Tores first considered the Buick V6 as a racing powerplant, he studied it with a keen awareness of the mechanical attributes that lend themselves to the production of maximum horsepower. He ...

Buick Motor Division engineer T. F. Wallace published a technical paper in 1978 describing a production-ready turbocharged 3.8-liter V6 designed to replace the division’s larger-displacement V8 ...

1Here, again, the oil filter mounting angle can be clearly seen, as can the location of the water inlet neck. Assembly on the right is the 3.0 liter version. 2Disassembled, the difference in water ...

In the sixties and early seventies, Buick was actively involved in the horsepower wars, ultimately stomping on everyone’s right foot with the GS 455 and GSX just as the muscle car era was drawing to a ...