A freind is trying to buy a 67 mustang it has a 428 in it. by all my research fir never put a 428 in 67 mustang the engine code on the stang is C = 289 2V did ford ever put a 428 in a 67 mustang I know they did strange thing back then what would the idenify it with if they did put the 428 in a 67 mustang