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Ford 351-400 Cleveland & Modified

351C/M and 400 Modified 

Fastener Type

Torque Spec.

Main cap bots 95-105 ft.-lbs.
Connecting rod bolts 40-45 ft.-lbs
45-50 ft.-lbs
 for Boss 351C
Cylinder head bolts (follow factory torque sequence) 105 ft.-lbs.
125 ft.-lbs for
Boss 351C
Rocker arms (non-adjustable) 18-22 ft.-lbs.
5/16" Intake manifold bolts 21-25 ft.-lbs.
3/8" Intake manifold bolts 28-33 ft.-lbs.
Oil pump bolt 25 ft.-lbs.
Cam bolts 40-45 ft.-lbs.
Cam thrust plate bolts 9-12 ft.-lbs.
Harmonic damper bolt 70-90 ft.-lbs.
Flywheel/ flexplate bolts 75-85 ft.-lbs.
Pressure plate bolts 35 ft.-lbs.
Front cover bolts 12-18  ft.-lbs.