Buick Gran Sport

The 1967 Buick Gran Sport engine had bigger manifold branches, larger valves, and improved exhaust headers that assured minimum gas flow restriction. Intake valves were 18 percent larger than in 1966 and the exhaust valves were 56 percent larger. There went the old "nailhead." (more…)

1966 Buick Gran SportThe next year proved to be a transition year for the 1966 Buick Gran Sport. The biggest changes came in styling. The 1966 Gran Sport looked more like a performance car after Buick designers had a chance to fiddle with the product. (more…)