BY DOUG ZANGER 1981. South Jersey. Me, a borderline Chachi-look-alike, heads over the Walt Whitman Bridge to his first Philadelphia 76ers game. There was Julius Erving, Mo Cheeks, Lionel Hollins and The Jones’ — Caldwell and Bobby. And then, there was Darryl Dawkins. A presence. A talent. My favorite Sixer after that game. And it was mainly because it looked…