Express 2500 V8-6.6L DSL Turbo VIN 2 (2007)
Piston Ring: Specifications
Piston Rings
Piston Ring End Gap-First Compression Ring
Service Limit ............................................................................................................................................................................... 1.37 mm (0.0539 in)
Production Value ...................................................................................................................................................... 0.3-0.45 mm (0.0118-0.0177 in)
Piston Ring End Gap-Second Compression Ring
Service Limit ............................................................................................................................................................................... 1.35 mm (0.0531 in)
Production Value .................................................................................................................................................... 0.50-0.65 mm (0.0197-0.0256 in)
Piston Ring End Gap-Oil Control Ring
Service Limit ............................................................................................................................................................................... 1.20 mm (0.0472 in)
Production Value .................................................................................................................................................... 0.15-0.35 mm (0.0059-0.0138 in)
Piston Ring to Groove Clearance-First Compression Ring
Service Limit ............................................................................................................................................................................... 0.26 mm (0.0102 in)
Production Value .................................................................................................................................................... 0.08-0.17 mm (0.0030-0.0067 in)
Piston Ring to Groove Clearance-Second Compression Ring
Service Limit ............................................................................................................................................................................... 0.10 mm (0.0039 in)
Production Value .................................................................................................................................................... 0.01-0.03 mm (0.0004-0.0012 in)
Piston Ring to Groove Clearance-Oil Control Ring
Service Limit ............................................................................................................................................................................... 0.12 mm (0.0047 in)
Production Value .................................................................................................................................................... 0.01-0.03 mm (0.0004-0.0012 in)
