Sevenstock 16, the world’s largest gathering of rotary vehicles, will take place at Auto Club Speedway in Fontana, CA on November 9th, 2013. Early news mentioned a salute to the the 1993-95 RX-7, track demos of Mazda’s historic 4-rotor race cars, and more! More info at Sevenstock’s Facebook page, keep checking back for more info.