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Home >> Ford >> 1997 >> Thunderbird V6-3.8L VIN 4 >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Block Assembly >> System Specifications >> Piston
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Piston

* Diameter
Coded Red 96.761-96.777 mm (3.8095-3.8101 inch)
Coded Blue 96.791-96.807 mm (3.8107-3.8113 inch)
Coded Yellow 96.821-96.837 mm (3.8119-3.8125 inch)
Piston-to-Bore Clearance Limit 0.036-0.056 mm (0.0014-0.0022 inch)
Piston Pin Bore 23.170-23.185 mm (0.9122-0.9128 inch)
Ring Groove Width:
Compression, Top 1.55-1.53 mm (0.0610-0.0602 inch)
Compression, Bottom 1.55-1.53 mm (0.0610-0.0602 inch))
Oil 4.030-4.055 mm (0.1587-0.1596 inch)


* Measured below the oil ring groove.