How many movies have M. S. Guhan and S. P. Muthuraman collaborated on?

They have worked on 8 movies together! Their first movie together was Thoongadhey Thambi Thoongadhey (1983) while their highest rated movie together was Mr. Bharath (1986). They have not worked together since Ayan (2009). They are most known for their drama films together.