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 ...

You don't have to be a Mazda fan to ... in its class in the IMSA GTU. It won another big championship, the IMSA GTO, 10 years ...