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Home >> Oldsmobile >> 1975 >> Starfire Base, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Tune-Up Procedures - V6 >> Engine Compression
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Engine Compression

Test compression with engine warm, all spark plugs removed and throttle and choke valves wide open. If using a remote starting switch, disconnect the ignition switch connector (Pink wire) from HEI distributor.

ENGINE COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio 8.0:1
Recommended Fuel Unleaded (87 AKI Minimum)
Compression Pressure (Minimum) 100 psi
Maximum Variation Between Cylinders 30%
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