Subaru's FB20 was a 2.0-litre horizontally-opposed (or 'boxer') four-cylinder petrol engine. Effectively replacing the EJ204 engine, the FB20 engine was a member of Subaru's third generation 'FB' boxer engine family which also included the FB25, FA20D, FA20E and FA20F engines.The FB20 engine first offered in Australia in 2012 Subaru GP/GJ Impreza.sp.info Subaru EJ20G Engine - australiancar.reviewsSubaru's EJ20G was a turbocharged, 2.0-litre horizontally-opposed (or 'boxer') four-cylinder petrol engine. For Australia, the EJ20G engine powered the GC/GM Impreza WRX from 1994 to 1996; key features of the EJ20G engine included its:. Die-cast aluminium block and cylinder head;sp.info Associate Members Institute Of Infectious Disease and Associate membership to the IDM is for up-and-coming researchers fully committed to conducting their research in the IDM, who fulfill certain criteria, for 3-year terms, which are renewable.sp.info Membership Institute Of Infectious Disease and Molecular Election to IDM membership requires fulfilment of the following criteria, which vary depending upon the category of membership. In exceptional circumstances, membership may be granted to an applicant who does not meet the criteria for research productivity, but for whom there is evidence of particular academic distinction, and an especially good fit with the Institute’s research focus areas.