heads (624). 1969 Corvette Stingray Coupe In 1969 displacement of small block engines increased from 327 cu in (5.4 L) to 350 cu in (5.7 L). 1969 models featured 8-inch wide wheels (increased from 7-inches), front fender "Stingray" nameplates, all black front grills , optional side exhausts and front fender vents trim, and revised door panels for