Engine Rebuilding Specifications
Cylinder Head Warpage Limit ........................................................................................................................................................................ 0.008 in
Valve Guide Inside Diameter ............................................................................................................................................................ 0.2362-0.2369 in
Stem to Guide Clearance
Intake ...................................................................................................................................................................................... 0.0010-0.0023 in
Exhaust ................................................................................................................................................................................... 0.0012-0.0025 in
Valve Seat Angle ................................................................................................................................................................................................... 45°
Valve Seat Width
Intake ...................................................................................................................................................................................... 0.0390-0.0550 in
Exhaust ................................................................................................................................................................................... 0.0390-0.0550 in
Valve Spring Free Length ................................................................................................................................................................................. 1.76 in
Valve Spring Seated Pressure (lb @ in) ....................................................................................................................................................... 42 @ 1.52
Valve Spring Comp. Pressure (lb @ in) ..................................................................................................................................................... 121 @ 1.19
Valve Stem Diameter
Intake ...................................................................................................................................................................................... 0.2346-0.2352 in
Exhaust ................................................................................................................................................................................... 0.2344-0.2350 in
Valve Face Angle ................................................................................................................................................................................................ 45.5°
Maximum Valve Margin
Intake ..................................................................................................................................................................................................... 0.02 in
Exhaust ................................................................................................................................................................................................... 0.02 in
Valve Clearance
Intake .......................................................................................................................................................................................... 0.006-0.010 in
Exhaust ....................................................................................................................................................................................... 0.010-0.014 in
Camshaft Journal Diameter ............................................................................................................................................................... 1.2189-1.2195 in
Camshaft Bearing Inside Diameter ................................................................................................................................................... 1.2205-1.2215 in
Camshaft Bearing Clearance ............................................................................................................................................................... 0.0010-.0026 in
Camshaft Endplay .......................................................................................................................................................................................... 0.012 in
Lifter Diameter ................................................................................................................................................................................. 1.2587-1.2596 in
Lifter To Bore Clearance .................................................................................................................................................................. 0.0009-0.0014 in
Crankshaft Main Bearing Journal Diameter ...................................................................................................................................... 2.5187-2.5197 in
Connecting Rod Journal Diameter .................................................................................................................................................... 2.0463-2.0472 in
Max. Out of Round (All) .............................................................................................................................................................................. 0.0008 in
Max. Taper (All) .......................................................................................................................................................................................... 0.0008 in
Main Bearing Clearance ................................................................................................................................................................... 0.0011-0.0022 in
Connecting Rod Bearing Clearance .................................................................................................................................................. 0.0090-0.0022 in
Crankshaft Endplay .......................................................................................................................................................................... 0.0008-0.0087 in
Connecting Rod Pin Bore Diameter .................................................................................................................................................. 0.8663-0.8668 in
Connecting Rod Side Clearance ........................................................................................................................................................ 0.0063-0.0123 in
Piston Diameter (Std.) ...................................................................................................................................................................... 3.6205-3.6217 in
Piston Clearance ............................................................................................................................................................................... 0.0012-0.0020 in
Piston Pin Diameter .......................................................................................................................................................................... 0.8660-0.8665 in
Pin To Piston Clearance ............................................................................................................................................................................... 0.0004 in
Piston End Ring Maximum Gap
Top Ring ............................................................................................................................................................................................... 0.012 in
Second Ring .......................................................................................................................................................................................... 0.018 in
Oil Ring ................................................................................................................................................................................................ 0.008 in
Piston Ring Side Clearance
Top Ring ................................................................................................................................................................................. 0.0016-0.0031 in
Second Ring ............................................................................................................................................................................ 0.0008-0.0024 in
Oil Ring .................................................................................................................................................................................. 0.0024-0.0059 in
Cylinder Bore Diameter (Std.) .......................................................................................................................................................... 3.6220-3.6232 in
Cylinder Bore Maximum Taper .................................................................................................................................................................... 0.0008 in
Cylinder Bore Maximum Out of Round ........................................................................................................................................................ 0.0008 in
Oil Pump Rotor Backlash .................................................................................................................................................................. 0.0024-0.0071 in
Oil Pump Rotor To Body Clearance .................................................................................................................................................. 0.0012-0.0035 in
Oil Pump Rotor Endplay ................................................................................................................................................................... 0.0039-0.0069 in
Oil Pump Driveshaft To Pump Body Clearance ................................................................................................................................. 0.0012-0.0035 in
Oil Pump Relief Valve To Body Clearance ........................................................................................................................................ 0.0020-0.0035 in