Chevrolet Corvette ZR1 (LT5) Engine

1990


1990 Corvette ZR1 (LT5) Motor

  • Known as “The King of the Hill”
  • The only official Corvette engine that was not built by Chevrolet
  • In March 1990, the Morrison Motorsports team using a 1989 Corvette powered by a production LT5 engine covered 4,221 miles in 24 hours, averaging 175.88 mph at Fort Stockton, Texas. This effort shattered the previous record of 161.80 mph set back in 1940
  • An extremely complex all aluminum 4-valve engine built by Mercury Marine, designed by Lotus Engineering, and commissioned by GM specifically for the C4 Corvette
  • 350 cubic inches, 375 hp @ 5,800 rpm, with a 7,200 rpm redline (1990-1992) and 405 hp @ 5,800 (1993-1995)