383, 400, 440 B/RB Engines
Fastener Type Torque Specs
Main cap bolts 85 ft.-lbs.
Connecting rod bolts (plain) 45 ft.-lbs.
Connecting rod bolts (heavy duty) 50-55 ft.-lbs.
Crankshaft rear bearing seal retainer bolts 30 ft.-lbs.
Cylinder head bolts 70 ft.-lbs.*
Rocker shaft bracket bolts 25 ft.-lbs.
Intake manifold bolts 40 ft.-lbs.
Oil pump cover bolt 10 ft.-lbs.
Oil pump attaching bolt 35 ft.-lbs.
Oil pan bolts 15 ft.-lbs.
Cam locking bolt 35 ft.-lbs.
Harmonic damper bolt 135 ft.-lbs.
Flywheel/flexplate bolts 55 ft.-lbs.
Flywheel housing to engine block bolts 50 ft.-lbs.
Flexplate to torque converter bolts 270 in.-lbs.
Water pump bolts 30 ft.-lbs.
Fuel pump bolt 30 ft.-lbs.
Starter mounting bolts 50 ft.-lbs.
Exhaust manifold nuts 30 ft.-lbs.

* follow factory torque sequence