From the unmistakable shrill howl of the four-rotor 1991 Mazda RX-7-001 GTO to the thundering Chevrolet V-8 growl of a 1985 Lola Corvette GTP, the winners of the inaugural Historic Sportscar Racing ...

There's also the Mazda RX-7 FD, one of the fastest Mazda sports cars ... It won another big championship, the IMSA GTO, 10 ...