Engine Rebuilding Specifications

Cylinder Head Warpage Limit 0.006 in
Valve Guide Inside Diameter 0.2760-0.2768 in
Stem to Guide Clearance 0.008 in
Valve Seat Angle 45°
Valve Seat Width 0.0430-0.0670 in
Valve Seat Run-Out 0.0016 in
Valve Spring Free Length 1.1717 in
Valve Spring Out Of Square Limit 0.059 in
Valve Stem Diameter
Intake 0.2744-0.2750 in
Exhaust 0.2742-0.2748 in
Valve Face Angle 45°
Camshaft Endplay 0.0020-0.0070 in
Crankshaft Main Journal Diameter 1.9661-1.9668 in
Connecting Rod Journal Diameter 1.5724-1.5731 in
Maximum Out of Round 0.002 in
Maximum Taper 0.002 in
Main Bearing Clearance 0.0009-0.0017 in
Connecting Rod Bearing Clearance 0.0009-0.0017 in
Crankshaft Endplay 0.0031-0.0111 in
Connecting Rods Pin Bore Diameter 0.7854-0.7859 in
Side Clearance 0.012 in
Piston Diameter (Std.) 2.7930-2.7940 in
Piston Clearance 0.006 in
Piston Pin Diameter 0.7864-0.7866 in
Pin To Piston Clearance 0.0000-0.0010 in
Piston Ring Minimum End Gap
Compression Rings 0.006 in
Oil Rings 0.008 in
Compression Ring Side Clearance 0.0010-0.0030 in
Cylinder Bore Diameter (Std.) 2.7953-2.7960 in
Cylinder Bore Taper Max. 0.0007 in
Cylinder Bore Out of Round Max. 0.0007 in
Oil Pump Rotor To Body Clearance 0.0087 in
Oil Pump Rotor Endplay 0.005 in