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Home >> Pontiac >> 2002 >> Grand Prix V6-3.1L VIN J >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> Piston Ring, Engine
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Piston Ring, Engine

Piston Diameter-Gaged
on the skirt (0.47 in) below the centerline of the piston pin bore		3.5029-3.5040 in
Clearance 0.0013-0.0027 in
Pin Bore 0.9057-0.9060 in
Piston Ring Top Groove Side Clearance 0.002-0.0033 in
Second Groove Side Clearance 0.002-0.0035 in
Top Ring Gap 0.006-0.014 in
Second Ring Gap 0.0197-0.0280 in.
Oil Ring Groove Clearance 0.008 in.
Gap with segment at 89.0 mm (3.50 in) 0.0098-0.05 in
Piston Pin Diameter 0.9052-0.9054 in
Clearance In Piston 0.0004-0.0008 in
Fit In Rod (press fit) 0.0006-0.0018 in
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