March 1 & 2, 1990: 1990 ZR-1 Corvette Shatters 50-Year Speed Record!!!
On March 1 and 2, 1990, the Morrison Motorsports prepared ZR-1 Corvette shattered the 50-year old, 24-hour speed record with an astonishing average speed of 175.885-mph with a “near-stock” ZR-1 Corvette! The details of the ZR-1 speed machine are a genuine testimonial to the quality of the new ZR-1.