Engine Mechanical: Compression
WARNING: This page is about a different car, the 2004 Subaru Outback, 2004 Subaru Legacy, and 2004 Subaru Baja. However, it is still accessible from the selected car via links, so may be relevant.
COMPRESSION SPECIFICATIONS - H4DOTC
| Application | Specification |
|---|---|
| Normal Compression Pressure | 142 - 171 psi (10-12 kg/cm2 ) |
| Minimum Compression Pressure | 128 psi (9 kg/cm2 ) |
| Maximum Variation Between Cylinders | 7 psi (0.5 kg/cm2 ) or Less |
COMPRESSION SPECIFICATIONS - H4SO
| Application | Specification |
|---|---|
| Normal Compression Pressure | 185 psi (13.0kg/cm2 ) |
| Minimum Compression Pressure | 156 psi (11.0 kg/cm2 ) |
| Maximum Variation Between Cylinders | 7 psi (0.5 kg/cm2 ) or Less |
COMPRESSION SPECIFICATIONS - H6DO
| Application | Specification |
|---|---|
| Normal Compression Pressure | 185 - 213 psi (13.0 -15.0 kg/cm2 ) |
| Minimum Compression Pressure | 164 psi (11.5 kg/cm2 ) |
| Maximum Variation Between Cylinders | N/A |