Silverado 2500 4WD V8-6.0L VIN U (2004)
Piston Ring: Specifications
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Production ............................................... 0.31-0.52 mm (0.012-0.02 inch)
Piston Ring End Gap - First Compression Ring - Measured in Cylinder Bore - Service ................................................ 0.31-0.59 mm (0.0122-0.023 inch)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Production ............................................ 0.51-0.77 mm (0.02-0.03 inch)
Piston Ring End Gap - Second Compression Ring - Measured in Cylinder Bore - Service ................................................ 0.51-0.84 mm (0.02-0.033 inch)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Production ...................................................... 0.31-0.87 mm (0.0122-0.034 inch)
Piston Ring End Gap - Oil Control Ring - Measured in Cylinder Bore - Service ........................................................... 0.31-0.94 mm (0.0122-0.037 inch)
Piston Ring to Groove Clearance - First Compression Ring - Production .................................................................. 0.04-0.08 mm (0.00157-0.0031 inch)
Piston Ring to Groove Clearance - First Compression Ring - Service ........................................................................ 0.04-0.08 mm (0.00157-0.0031 inch)
Piston Ring to Groove Clearance - Second Compression Ring - Production ............................................................ 0.039-0.079 mm (0.0015-0.0031 inch)
Piston Ring to Groove Clearance - Second Compression Ring - Service .................................................................. 0.039-0.079 mm (0.0015-0.0031 inch)
Piston Ring to Groove Clearance - Oil Control Ring - Production ........................................................................... 0.015-0.199 mm (0.0006-0.0078 inch)
Piston Ring to Groove Clearance - Oil Control Ring - Service ................................................................................. 0.015-0.199 mm (0.0006-0.0078 inch)