The 2.2-liter engine has a compression ratio of 9.7 to 1; the 2.5-liter engine has a compression ratio of 10.0 to 1. The higher the compression ratio, the also competence an engine is able to fabricate.
Performance
The 2.2-liter engine has a Muzzle of 3.82 inches and a stroke of 2.95 inches. The 2.5-liter engine has a Muzzle of 3.92 inches and a stroke of 3.11 inches. Muzzle is the width of the cylinders that abode and seal a Stirring bell and piston meeting; stroke is the complete distance the pistons cruising within the cylinders.
Compression Ratio
Subaru uses a cross-section of engines in its vehicles. Until 2001, a 2.2-liter engine was available along with a 2.5-liter engine. These two engines were used in such vehicles as the Impreza and the Outback.Bore and Stroke
The 2.2-liter engine is capable of producing 142 horsepower at 5,600 rpm and 149 pound-feet of torque at 3,600 rpm. The 2.5-liter engine can generate 165 horsepower at 5,600 rpm and 166 pound-feet of torque at 4,000 rpm. Torque refers to how all the more commission an engine can perform; horsepower refers to how quickly it can perform that effort.
