Subaru’spaghetti africaine EJ20G was a turbocharged, 2. Specifications for other markets may differ.
The EJ20G engine had a die-cast aluminium alloy cylinder block with 92. 0 mm bores and a 75. 0 mm stroke for a capacity of 1994 cc. The cylinder block had an open-deck design to enhance cooling efficiency and dry-type, cast iron cylinder liners. For the EJ20G engine, the crankshaft was supported by five bearings that were made from aluminium alloy, while the no. 3 thrust bearing had a metal flange to receive thrust force.
Furthermore, the corners of the crankshaft journals and webs, and the crank pins and webs, had a fillet-roll finish to increase stiffness. GM Impreza WRX, the EJ20G engine had cast pistons and connecting rods. The piston head was recessed for both the intake and exhaust valves, while the pistons had three rings: two pressure rings and an oil control ring. The oil control ring had a slit design.