Pontiac Workshop Service and Repair Manuals

Balance Shaft: Specifications

Balance Shaft Bearing Carrier Bore in Block I.D. ................................................................................................  42.000-42.016 mm (1.6535-1.6542 inch)
Balance Shaft Bearing Carrier O.D. ......................................................................................................................  41.975-41.995 mm (1.6526-1.6534 inch)
Balance Shaft Housing to Block Clearance ...............................................................................................................  0.005-0.041 mm (0.0002-0.0016 inch)
Balance Shaft Bearing I.D. #1 ...............................................................................................................................  20.050-20.063 mm (0.7894-0.7899 inch)
Balance Shaft Bearing I.D. #2 ...............................................................................................................................  36.776-36.825 mm (1.4479-1.4498 inch)
Balance Shaft Journal O.D. #1 ..............................................................................................................................  20.000-20.020 mm (0.7874-0.7882 inch)
Balance Shaft Journal O.D. #2 ..............................................................................................................................  36.723-36.743 mm (1.4458-1.4466 inch)
Balance Shaft Bearing Clearance #1 .......................................................................................................................... 0.030-0.063 mm (0.0012-0.0025 inch)
Balance Shaft Bearing Clearance #2 .......................................................................................................................... 0.033-0.102 mm (0.0013-0.0040 inch)
Balance Shaft End Play .............................................................................................................................................  0.100-0.300 mm (0.0020-0.0118 inch)
Balance Shaft Chain Length ..........................................................................................................................  368.622-369.032 mm (14.5127-14.5288 inch)
Balance of Shafts ....................................................................................................................................................................  4.05 Kg/mm per shaft, +/-6 %