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Home >> Oldsmobile >> 1999 >> Aurora V8-4.0L VIN C >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> Piston Ring, Engine
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Piston Ring, Engine

Piston Rings Side Clearance - Compression Ring 0.0016 - 0.0037
Side Clearance - Oil Rings None-Side Sealing
Ring End Gap- Top Compression Ring 0.010 - 0.016
Ring End Gap- Second Compression Ring 0.014 - 0.020
Ring End Gap - Oil Rings 0.010 - 0.030
Number of Compression Rings 2
Number of Oil Rings 2 Rails - 1 Expander
Width of Compression Ring Groove - Top Ring 0.048 - 0.049
Width of Compression Ring Groove - Second Ring 0.060 - 0.061
Width of Compression Ring Groove - Oil Ring 0.119 - 0.120
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