Ford 352, 360, 390, 406, 427, 428 Specifications

Firing Order

Torque Specifications

These specs may not be correct for your application.

Verify your engine specs with a service manual for your year and model, always torque bolts in three equal increments

Bolts or Parts Lube or Sealer Torque to:
Main Caps Engine Oil 105 ft-lbs.
Main Cap Crossbolts

(406 and 427)

Engine Oil 40 ft-lbs.

If you are using ARP bolts, you MUST use
their specs.  Click Here!

Connecting Rod Bolts                                                  *406 and 427 Engine Oil 45 ft-lbs.

*55 ft-lbs.

Cylinder Heads

*1963-1967 427

Engine oil

(blind hole)


(water jacket)

90 ft-lbs.

*110 ft-lbs.

Rocker Arms Engine Oil 45 ft-lbs.
Oil Pump Engine Oil 15 ft-lbs.
Oil Pan Engine Oil 12 ft-lbs.
Cam Bolt (upper gear) Thread Locker 40 ft-lbs.
Front Cover Engine Oil 20 ft-lbs.
Intake Manifold Non- Hardening Sealer 35 ft-lbs.
Valve Cover Engine Oil 10 ft-lbs.
Flexplate (Automatic)

Flywheel (Clutch)

Thread Locker 85 ft-lbs.
Clutch Pressure Plate Thread Locker 35 ft-lbs.

(Harmonic Damper)

Thread Locker 90 ft-lbs.

(Transmission to Block)

Engine Oil 25 ft-lbs.


Ford Big Block Casting Numbers

  1. Ford Big block cylinder head casting numbers
  2. Ford Big block block casting numbers
  3. Ford Big block crankshaft casting numbers
  4. Ford Big block connecting rod casting numbers