Question: what is the 2.2 ecotec?
Answer: The 'Ecotec' name was adopted in 1994 for the new generation of Family II engines (2000 in North America) . ... The engine uses aluminum pistons and cast iron cylinder liners. Vibration is reduced with twin balance shafts. The first engine in the Ecotec Gen I line-up was Ecotec 2.2 L61, introduced in May 1999.