 In 1968 Prahova promoted to Third Division and in 1975 to the Second Division where it stays until 1978.Will come back in the Third Division in 1983 and in 1984 the club changes its name to "Prahova CSU".The decline was accentuated after 1989 when the club was relegated to the Third Division in 1991 and in 1995 in the regional championship.