Use a straight edge and feeler gauge to measure the overall flatness of the cylinder block. The overall flatness,
must not exceed .076 mm [0.003 in] end-to-end, and .051 mm [.002 in] side-to-side.
Visually inspect for any localized dips or imperfections. If present, the cylinder block head deck must be reground.
Refer to the Alternative Repair Manual, Bulletin No. 3810234, for regrind/milling procedures and limits.
Main Bearing Bore Diameter (Maximum)
83.106 mm [3.272 in] (with bearing installed)
Camshaft Bore Diameter (Maximum)
57.258 mm [2.2543 in] (without bushing) No. 1 only
54.146 mm [2.1317 in] No. 1 with bushing
54.164 mm [2.1324 in] No. 2 through No. 7
Tappet Bore Diameter (Maximum)
16.055 mm [0.632 in]
