 Complete the following phrase:  In 1966 Attwood competed in Australia and New Zealand as a part of BRMs Tasman Series squad. His Tasman performances were very promising, including a win at Levin, but despite this  perhaps due to his underwhelming 1965 Formula One performances and growing success in sports cars  Attwood sat out the majority of the and Formula One seasons. His only appearance came as a substitute for works-Cooper driver Pedro Rodríguez at the 