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Engine Compression

COMPRESSION SPECIFICATIONS

Application

Specification

Compression Ratio

1.8L & 2.0 Non-Turbo

9.0:1

2.0L Turbo

7.8:1

2.2L Non-Turbo

9.5:1

2.2L Turbo

8.0:1

2.5L Non-Turbo

8.9:1

2.5L Turbo

7.8:1

3.0L (VIN 3) & 3.3L

8.9:1

3.0L (VIN U)

N/A

Compression Pressure

1.8L

⁽¹⁾ 131 psi (9.2 kg/cm² )

2.0 (DOHC)

⁽¹⁾ 137 psi (9.6 kg/cm² )

2.0L (DOHC) Turbo

⁽¹⁾ 114 psi (8.1 kg/cm² )

2.2L, 2.5L & 3.3L

⁽²⁾ 100 psi (7.0 kg/cm² )

3.0L (VIN 3)

⁽²⁾⁽³⁾ 178 psi (12.5 kg/cm² )

3.0L (VIN U)

9.3:1

⁽¹⁾	Minimum compression pressure is given. Maximum difference between cylinders should not exceed 14 psi (.98 kg/cm² ).

⁽²⁾	Minimum compression pressure is given. Maximum difference between each cylinder should not exceed 25 percent.

⁽³⁾	At 250 RPM.