Best 70s movies off the top of my head:
Jaws, Star Wars, Rocky, Sting, the Herbie series, Animal House, Godfather Godfather II, Vacation (79 or 80, i forget)

80s: Stripes, Caddyshack, Fast Times at Ridgemont High, Airplane, Porky’s, Beverly Hills Cop, Once Upon a Time in America, Hoosiers,