The First 1967 383 A-Body, 'Barracuda or Mr. Norms's Dart'
Gino,
This from late-1966.
Chevrolet was already talking about dropping a 427 in the Camaro.
Pontiac was in discussions with 'Hurst' {out source} to install a 428 in the Firebird.
Ford had the 428/355 HP in the Shelby Mustang, and was in the process of putting a
428 in the Mustang GT.
Mercury was in the beginning stages of putting a 427 'FE" in the Cougar GT.