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Home >> Pontiac >> 1998 >> Grand Prix V6-3.8L SC VIN 1 >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> Piston, Engine
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Piston, Engine

Piston
Clearance (39 mm from Top of Piston) 0.010 - 0.051 mm (0.0004 - 0.0020 inch)

Piston Ring Groove Depth
Top Compression 4.019 - 4.146 mm (0.158 - 0.163 inch)
2nd Compression 4.214 - 4.341 mm (0.0166 - 0.171 inch)
Oil Control 3.814 - 3.941 mm (0.150 - 0.155 inch)