Are 1966 gto front fenders the same as 1967 gto front fenders?

No, the front fenders of the 1966 GTO are not the same as those of the 1967 GTO. While they share a similar overall design, the 1967 model features a slightly different shape and incorporates changes in styling, such as a different headlight configuration and grille design. Therefore, they are not interchangeable without modifications.