Piston Ring Cap Clearance .007 to .015
Connecting Rod End Play .004 to .008
Crankshaft End Play - Maintained at front bearing only .002 to .003
Valve seat angle 45 degrees
Oil pump drive end play .001 to .003
Distributor point gap clearance .018 to .020
Magneto Breaker Point .014 to .018
Spark Plug Gap Clearance 0.035
Ignition Timing - breaker points just starting to open TDC
Main Bearing Clearance - on Crankshaft .001 to .0025
Piston Ring Side Clearance
Compression Ring (top) 0.0015 0.003
Compression Ring (middle) 0.001 0.0025
Oil Ring 0.001 0.0025
Piston Pin Clearance in Piston 0.001 0.0002
Connecting Rod Clearance (dia) 0.001 0.0025
(# on Rod toward camshaft)
Valve Tappet Clearance, Intake hot 0.008
Valve Tappet Clearance, Intake cold 0.01
Valve Tappet Clearance, Exhaust hot 0.01
Valve Tappet Clearance - exhaust cold 0.012
Valve Seat Width - intake 1/32"
Valve Seat Width - exhaust 1/32"
Valve Seat Angle 45 degrees
Valve Stem Clearance, Intake 0.0025 0.0035
Valve Stem Clearance, Exhaust 0.0025 0.0035
Camshaft Gear Back Lash 0.002 0.004
Idler Gear Back Lash 0.002 0.004
Accessory Gear Back Lash 0.002 0.004
Oil Pump Gear Back Lash 0.003 0.005
Camshaft Bearing Clearance 0.0015 0.0025
Camshaft Bearing Journal 1.3745 +.0005
-.0000
TORQUE WRENCH TENSION
Flywheel Stud Nuts 35 ft. lbs.
Cylinder Head Stud Nuts 35 ft. lbs.
Connecting Rod Bolt Nuts 33 ft. lbs.
Main Bearing - Front 60 ft. lbs.
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