Engine Rebuilding Specifications

Cylinder Head Warpage Limit 0.004 in
Valve Guide Inside Diameter 0.2366-0.2374 in
Stem to Guide Clearance
Intake 0.0010-0.0024 in
Exhaust 0.0012-0.0026 in
Valve Seat Angle 45°
Valve Seat Width 0.0310-0.0550 in
Valve Spring Free Length 1.821 in
Valve Spring Out Of Square Limit 0.064 in
Valve Stem Diameter
Intake 0.2350-0.2356 in
Exhaust 0.2348-0.2354 in
Minimum Margin
Intake 0.035 in
Exhaust 0.036 in
Camshaft Journal Diameter 1.0213-1.0220 in
Camshaft Bearing Clearance 0.0014-0.0032 in
Camshaft Endplay 0.0028-0.0075 in
Lifter Bore Diameter 0.876 in
Lifter Diameter 0.8740-0.8745 in
Lifter To Bore Clearance 0.0009-0.0026 in
Crankshaft Main Bearing Journal Diameter 1.9661-1.9668 in
Connecting Rod Journal Diameter 1.7692-1.7699 in
Maximum Out of Round (All) 0.02 in
Bearing Clearance
Main Bearings 0.003 in
Connecting Rod Bearings 0.012 in
Crankshaft Endplay 0.0040-0.0080 in
Connecting Rod Pin Bore Diameter 0.7875-0.7880 in
Connecting Rod Side Clearance 0.0004-0.0011 in
Piston Diameter (Std.) 3.2659-3.2667 in
Piston Clearance 0.0015-0.0020 in
Piston Pin Diameter 0.7869-0.7871 in
Pin To Piston Clearance 0.0002-0.0005 in
Piston End Ring Minimum Gap
Compression Ring 0.006 in
Oil Ring 0.008 in
Compression Ring Side Clearance 0.0012-0.0028 in
Cylinder Bore Diameter (Std.) 3.2679-3.2682 in
Cylinder Bore Taper Max. 0.0007 in
Cylinder Bore Out of Round Max. 0.007 in
Oil Pump Rotor Backlash 0.0079 in
Oil Pump Rotor To Body Clearance 0.0087 in
Oil Pump Rotor Endplay 0.0055 in