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Home >> Acura >> 1998 >> Integra GS-R, 2D Coupe >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Engine Controls - Basic Diagnostic Procedures) >> Preliminary Inspection & Adjustments >> Engine Compression

Engine Compression

WARNING: This page is about a different car, the 1999 Acura Integra, 1999 Acura 3.5RL, 1999 Acura 3.2TL, 1999 Acura 3.0CL, and 1999 Acura 2.3CL. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE COMPRESSION (1)

Application Specification
Integra
Compression Ratio
B18B1 Engine 9.2:1
B18C1 Engine 10.0:1
Compression Pressure At 250 RPM & WOT
Standard
B18B1 Engine 200 psi (14.0 kg/cm2 )
B18C1 Engine 270 psi (19.0 kg/cm2 )
Minimum 135 psi (9.5 kg/cm2 )
2.3CL
Compression Ratio 9.3:1
Compression Pressure At 250 RPM & WOT
Standard 242 (17.0 kg/cm2 )
Minimum 135 psi (9.5 kg/cm2 )
3.0L
Compression Ratio 9.4:1
Compression Pressure At 200 RPM & WOT
Standard 178 (12.5 kg/cm2 )
Minimum 135 psi (9.5 kg/cm2 )
3.2TL
Compression Ratio 9.8:1
Compression Pressure At 200 RPM & WOT
Standard 206 psi (14.5 kg/cm2 )
Minimum 135 psi (9.5 kg/cm2 )
3.5RL
Compression Ratio 9.6:1
Compression Pressure At 200 RPM & WOT
Standard 200 psi (14.0 kg/cm2 )
Minimum 142 psi (10.0 kg/cm2 )
(1) Maximum variation between cylinders is 28 psi (2 kg/cm2 ).