FB20 Subaru EngineSubaru's FB20 was a 2.0litre horizontallyopposed (or 'boxer') fourcylinder petrol engine. Effectively replacing the EJ204 engine, the FB20 engine was a member of Subaru's third generation 'F
fb20 subaru enginesubaru's fb20 was a 2.0litre horizontallyopposed (or 'boxer') fourcylinder 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.
ej20x and ej20y subaru enginesthe subaru ej20y and ej20x were turbocharged, 2.0litre horizontallyopposed (or 'boxer') fourcylinder petrol engines. for australia, the ej20x engine was introduced in the 2003 subaru bl liberty gt and mated to a fivespeed automatic transmission; the ej20y was subsequently introduced in 2004 and had a fivespeed manual transmission. the ej20y and ej20x engines