Chevrolet had two versions of a new 454 big-block ready for the 1970 Corvette, and the wilder one was advertised at 460 horsepower. It never reached a single retail buyer — a labor strike had already shortened the model year and the LS7 was deleted from the order sheet, leaving the 390-horsepower LS5 as the only 454 anyone could actually order. Read on to find out why a Bridgehampton Blue four-speed roadster from that year sits at such an important point in Corvette history.