The car that raced on the 60's was from Grupo Iusa and was raced by pilot Moises Solana and it was a white 427 Cobra, but later they bought a 289 and raced to.
I am a friend of Nanan Solana who is the Moises brother.
If you want more info search Moises Solana and there is a lot information of him.
Moisés Solana, Biografía del Piloto mexicano
Alfredo Canalizo
kitcarsmexico.com