1966 Chevrolet Corvette

1966 Corvette Coupe – L72 427/425 HP. The L72 represents the top-performance big-block for 1966, featuring forged internals, 11.0:1 compression, solid lifters, and a Holley 780 cfm carburetor. Factory-rated at 425 HP, these engines are widely known to produce significantly higher real-world output.