The 1968 Buick GS 400: Detroit’s ‘Gentleman’s Muscle Car’ Just Squared Off With a 454 Corvette in a Pure-Stock Drag Race by Jack Harmon A numbers-matching 1968 Buick GS 400 met a 1970 Corvette LS5 454 on the strip at the Pure Stock Muscle Car Drag Race — no cheater parts, no shortcuts, just two factory engines settling an old argument about who built the better big-block.
