See also:

Tachometer
The tachometer shows the engine speed in thousands of revolutions per minute. CAUTION Do not operate the engine with the pointer of the tachometer in the red zone. In this range, fuel injection wi ...

The Ultimate Performance Subaru
The 2011 WRX STI continues as the ultimate-performance Subaru with its high-boost 305-hp turbocharged/intercooled 4-cyl. Boxer engine and 6-speed manual transmission. The STI also features Multi-M ...

Recommended grade and viscosity
Use only engine oil with the recommended grade and viscosity. Refer to “Engine oil”. NOTE Engine oil viscosity (thickness) affects fuel economy. Oils of lower viscosity provide better fu ...