Buick Workshop Service and Repair Manuals

Crankshaft: Specifications

Main Journal Diameter-All  ........................................................................................................................... 63.470 - 63.495 mm (2.4988 - 2.4998 inch)
Rod Journal Diameter-All .......................................................................................................................... 57.1170 - 57.1475 mm (2.2487 - 2.2499 inch)
Main Journal Taper-Maximum  .................................................................................................................................................. 0.0076 mm (0.0003 inch)
Rod Journal Taper-Maximum ..................................................................................................................................................... 0.0076 mm (0.0003 inch)
Main Journal Out-Of-Round-Maximum ..................................................................................................................................... 0.0076 mm (0.0003 inch)
Rod Journal Out-Of-Round-Maximum ....................................................................................................................................... 0.0076 mm (0.0003 inch)
Main Bearing To Journal 

Clearance 1 ............................................................................................................................................... 0.0178 - 0.0406 mm (0.0007 - 0.0016 inch)

Main Bearing To Journal 

Clearance 2 and 3 ..................................................................................................................................... 0.0254 - 0.0508 mm (0.0010 - 0.0020 inch)

Main Bearing To Journal 

Clearance 4 ............................................................................................................................................... 0.0229 - 0.0457 mm (0.0009 - 0.0018 inch)

Rod Bearing Clearance .................................................................................................................................. 0.0127 - 0.0660 mm (0.0005 - 0.0026 inch)
Crankshaft End Play ............................................................................................................................................... 0.076 - 0.276 mm (0.003 - 0.011 inch)