Table 1-2. Repair and Replacement Standards

Table l-2. Repair and Replacement Standards - (Cont) Components Intake valve seat inserts Bore in cylinder head for insert Depth of counterbore in head for insert (from bottom deck of head) Oversize insert Exhaust and intake valve guides Length Inside diameter ream after assembly Stem-to-guide clearance Exhaust Intake Guide stand-out from bottom of counterbore in cylinder head Exhaust Intake Rocker arms - with non-replaceable bushings: Bore of rocker arm bushing (finish bore) Outside diameter of rocker arm shaft Rocker arm shaft -to-rocker arm bushing clearance Rocker arm ratio Camshaft: Bore of camshaft bearing (when installed) Outside diameter of camshaft journals Camshaft bearing-to-jourml running clearance Outside diameter of camshaft bearings Bore in cylinder block for bearing Fit of camshaft bearings in bore of cylinder block Manufacturer’s dimensions and tolerances in inches Minimum 1.809 0.4585 0.005 -- -- 0.0015 0.0005 1.001 0.999 0.001 2.133 2.130 0.002 2.263 2.259 0.003 Maximum 1.810 0.4605 over standard 2-7/8 0.3725 0.002 0.001 1-3/32 25/32 L 002 1.000 0.003 1.51 2.136 2.131 0.006 2.265 2.260 0.006 inter- ference Maximum allowable wear and clearance ----- 0.002 0.010 ----- 0.0035 0.0025 + 0.010 — + 0.010 — 0.001 0.001 0.002 ----- 0.003 0.001 0.002 0.002 0.001 0.005 inter- ference 1-41