Impreza GT F4-2.5L Turbo (2009)
Compression Check: Specifications
Compression (fully open throttle):
Standard .................................................................................................................................................... 981 - 1,177 kPa (10 - 12 kgf/cm2, 142 - 171 psi)
Difference between cylinders .......................................................................................................................................... 49 kPa (0.5 kgf/cm2, 7 psi) or less