Burcă was involved in the early formations of the Christian-Democratic People's Party, and was its executive chairman from 1994 - 1999. He later served as a member of the Parliament of Moldova (1998–2001).He was expelled from the party in 2005 for his opposition to its endorsement of Vladimir Voronin as president. The following year he joined the Social Liberal Party, which he was a member of until 2008, when he retired following the partys merging into the Democratic Party of Moldova.