FB20 Engine
FB20 is a third-generation 2.0L flat-four engine, first released in 2010. It was constructed as a substitute to EJ motors. Though FB20 seems to be alike to EJ, it features a great number of differences. It features a restyled aluminum cylinder block with diminished piston bore. Growth of piston stroke helped to preserve the same offset, but increased torque at low revs. In order to make the motor exterior look like EJ, Subaru used asymmetrical connecting rods. FB20 keeps cylinder heads with...
FB25 Engine
FB25 are a new-generation engine by Subaru brand, first produced in 2010. It is a 2.5L non-turbo boxer 4-cylinder motor, meant to substitute EJ25 in Subaru Legacy and Forester. Being a more powerful modification of FB20, this motor features a great number of new technologies and innovations. It has aluminum cylinder block and identical stroke, but 94 bore cast iron sleeves contribute to greater displacement. Cylinder walls are 3.5 mm thick. To decrease friction inside the block and lessen...
FA20 Engine
2.0L FA20 motor is a common venture of Subaru and Toyota (4U-GSE). FA20 was employed for Subaru BRZ coupe car while Toyota utilized 4U-GSE for Toyota 86 and Scion FR-S. This motor is built on a framework of FB20. It features an absolutely restyled bottom. Fresh crankshaft, rods and pistons were employed. The motor has a square shape, having identical bore and stroke sizes and reaching 1:1 bore/stroke proportions. In comparison with FB20, compression index is bigger and equals to 12.5:1. Intake...
EJ22 Engine
Subaru EJ22 engine was released in 1990, and firstly placed in Impreza and Legacy models. Later, it was applicated on the Outback. During its existence, this engine has gone through many upgrades that were designed not only to increase the power but also on the efficiency and reliability. One of the major engine modifications that the pistons were coated with molybdenum. This reduced friction, and reduced susceptibility to scuffing. Subaru EJ22 engine...
EJ25 Engine
Subaru EJ25 engine The largest member of the EJ family was released in 1995 and carried the designation EJ25, and this engine is widely used in all major car models. The EJ25 Subaru engine used the same aluminum cylinder block with cast iron liners dry, which is applied in EJ20, but the diameter of the cylinder was raised from 92 mm to 99.5 mm, height remains the same (201 mm). The crankshaft was installed with 79 mm piston stroke, instead of 75 mm per 2 liter counterparts. The length of the...
EJ20 Engine
Subaru launched the production of EJ engines in 1989 and 2.0L EJ20 was the debut one of the series. It was created as an alternative to EA82 1.8L motor and soon, it turned into the main engine for all Subaru vehicles. Like its predecessor, EJ20 is a 4-cylinder opposed gasoline motor. It features aluminum cylinder block with dry cast iron sleeves. EJ20E is the most famous engine of the range. It’s naturally aspirated and features two SOHC cylinder heads with 4 valves per cylinder. Size of...
EZ30 Engine
This 3-liter engine was put into production in 1999 and was a successor of EG33 engine. At the time of its production, EZ30 was the flagman engine in the lineup and was installed on the biggest cars. This motor has been designed completely from scratch, he used an aluminum cylinder block height of 202 mm, with cast iron sleeves 2 mm thick. Inside was mounted crankshaft with stroke of 80 mm, crank length is 131.5 mm, the diameter of the piston 89.2 mm, height 30.3 mm, the compression ratio is...