1957 SCCA Corvette FI Historic Racecar: This Was One Hell Of A Racecar This 1957 SCCA Corvette FI Historic Racecar is the earliest known RPO 684 produced at St. Louis, and perhaps the most successful 1957 Corvette in SCCA Racing during 1957. This article appeared in the September 2007 issue of Vette Vues Magazine in … Continue reading 1957 SCCA Corvette FI Historic Racecar