At Sebring in 1967, the Corvette L88 made its debut appearance. The L88 package included many competition components which included a M22 transmission, large disc brakes, upgraded suspension and an alumunim head 427. Shortly after the race, the L88 option would be offered on production cars which was a formidable package.
These Big Block cars would be the high-water mark of Corvette performance and refinement for the C2 series of cars. The 427/400hp L68 came standard from the factory with the Holley triple two-barrel carburetor arrangement called Tri-Power. Only 2101 Corvettes in 1967 received this rare engine option which was a $305.50 cost.
The L71 was Chevrolet’s most powerful engine in 1967 which replaced the big-block L71 from the previous year. Using it’s famous ‘Tri Power’ intake manifold was rated by the factory at 435 bhp. Costing $437.10, 3,754 Corvettes were made with the L71 options and they could not come with automatic transmissions nor air conditioning.
Those that have laid eyes on the Astro I will not soon forget it. This 1967 Chevrolet prototype featured sleek body lines that embodied the feel of a far more aggressively styled Mako Shark. Although the Astro I was built with the intent to aid in the study of aerodynamics, no official documentation has been uncovered as to the results of this testing.
The L88 was a special option package developed under the direction of Zora Arkus-Duntov, director of GM’s performance division. First introduced in 1967, the L88 Corvette featured a highly modified version of Chevy’s 427-cubic-inch V-8 engine. Although this engine received a factory horsepower rating of 435, actual engine output was somewhere between 540 and 580 horsepower, giving the “stock” L88 enough power to run a quarter-mile in the high-11-second range!