[VIDEO] Superformance ’63 Grand Sport is Rocking a 750-hp Mercury SB4 427 Boat Motor

Credit: Original article published by Corvette Blogger.

This Superformance 1963 Corvette Grand Sport replica is powered by a Mercury Marine 7-liter naturally aspirated SB4 boat motor which makes 750-horsepower.

Continue reading [VIDEO] Superformance ’63 Grand Sport is Rocking a 750-hp Mercury SB4 427 Boat Motor at Corvette: Sales, News & Lifestyle.