[1][2][3] Lung went on to play 14 seasons with Universitatea Craiova, being part of the "Craiova Maxima" generation, helping them win two consecutive league titles in 1980 and 1981, at the first, coach Valentin Stănescu gave him only three appearances because he was diagnosed with hepatitis and at the second he played 20 games under the guidance of coach Ion Oblemenco.

[1][3] Silviu Lung was an integral part of "U" Craiova's team that reached the 1982–83 UEFA Cup semi-finals in which he made 10 appearances in the campaign.

[1][3][7][8] Silviu Lung played 76 games for Romania, making his debut under coach Ștefan Kovács on 21 March 1979 in a friendly which ended with a 3–0 victory against Greece.

[9] He was used two games by coach Mircea Lucescu at the Euro 1984 final tournament in a 1–1 against Spain and a 2–1 loss against West Germany as Romania did not pass the group stage.

[2][15] In January 2014, Silviu Lung was involved in a car accident which killed the driver of the other vehicle, receiving a punishment of one year and four months suspended sentence.