C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
Crankshaft: Specifications
Crankshaft Run Out ................................................................................................................................ 0.051 mm (Maximum)(0.002 inch (Maximum))
Crankshaft Journal Diameter #1, #2, #3, #4, #5 ................................................................................................ 69.804-69.822 mm (2.7482-2.7489 inch)
Crankshaft Journal Taper Production .................................................................................................................................. 0.010 mm (0.0004 inch) Max
Crankshaft Journal Taper Service Limit .............................................................................................................................. 0.025 mm (0.0010 inch) Max
Crankshaft Journal Out-Of-Round Production .................................................................................................................... 0.010 mm (0.0004 inch) Max
Crankshaft Journal Out-Of-Round Service Limit ................................................................................................................ 0.025 mm (0.0010 inch) Max
Crankshaft Bearing Clearance #1 Production ....................................................................................................... 0.043-0.076 mm (0.0017-0.0030 inch)
Crankshaft Bearing Clearance #2, #3, #4 Production ........................................................................................... 0.028-0.061 mm (0.0011-0.0024 inch)
Crankshaft Bearing Clearance #1, #2, #3, #4 Service Limit ................................................................................. 0.025-0.076 mm (0.0010-0.0030 inch)
Crankshaft Bearing Clearance #5 Service Limit ..................................................................................................... 0.063-0.101 mm (0.025-0.0040 inch)
Crankshaft End Play .................................................................................................................................................. 0.127-0.279 mm (0.005-0.011 inch)
Crankshaft Thrust Wall Width ...................................................................................................................... 46.1391-46.2153 mm (1.8165-1.8195 inch)
Crankshaft Thrust Wall Maximum Runout .................................................................................................................................... 0.025 mm (0.001 inch)
Crankpin Diameter ............................................................................................................................................ 55.854-55.869 mm (2.1990-2.1996 inch)
Crankpin Taper Production ........................................................................................................................................................ 0.0127 mm (0.0005 inch)
Crankpin Taper Service Limit ..................................................................................................................................................... 0.025 mm (0.0010 inch)
Crankpin Out-Of-Round Production ............................................................................................................................................ 0.013 mm (0.0005 inch)
Crankpin Out-Of-Round Service Limit ........................................................................................................................................ 0.025 mm (0.0010 inch)
Rod Bearing Clearance Production ....................................................................................................................... 0.025-0.074 mm (0.0011-0.0029 inch)
Rod Bearing Clearance Service Limit ................................................................................................................... 0.028-0.099 mm (0.0011-0.0039 inch)
Connecting Rod Side Clearance ............................................................................................................................ 0.033-0.584 mm (0.0013-0.0230 inch)
