 Complete the following phrase:  The BT19 was not raced in serious competition after 1967. Brabham retired and moved back to Australia at the end of 1970. He retained ownership of the car until 1976, when it passed into the hands of Repco and was restored by the Repco Engine Parts Group. In 1986, Automotive Components Ltd. ACL was formed by the management buyout of Engine Parts Group, which included the transfer of the BT19 to the new company. Since its restoration, the car has frequently been demonstrated at events, including the 1978 Australian Grand Prix at Sandown where Brabham was involved in a spirited demonstration with Juan Manuel Fangio driving his Mercedes-Benz W196. Brabham and the car also appeared at the first Australian Grands Prix to be held on the Adelaide 1985 and Melbourne 