Ford 351W, 400 Engine 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, and always torque bolts in three equal increments

Bolts or Parts Lube or Sealer Torque to:
Main Caps Engine Oil 105 ft-lbs.
Warning!!!    If you are using ARP bolts, you MUST use
their specs.  Click Here!
Connecting Rod Bolts Engine Oil 45 ft-lbs.
Cylinder Heads Engine oil (blind holes)Sealant (water jackets) 85 ft-lbs.
Rocker Arms Engine Oil 20 ft-lbs.
Oil Pump Engine Oil 25 ft-lbs.
Oil Pump Pick-up Thread Locker 20 ft-lbs.
Oil Pan Engine Oil 15 ft-lbs.
Camshaft Thrust Plate Thread Locker 10 ft-lbs.
Cam Bolt (upper gear) Thread Locker 40 ft-lbs.
Front Cover Engine Oil 25 ft-lbs.
Intake Manifold(Cast Iron Heads) Non- Hardening Sealer 25 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.
Centerbolt(Harmonic Damper) Thread Locker 90 ft-lbs.
Bellhousing(Transmission to Block) Engine Oil 25 ft-lbs.

Ford Small Block Casting Numbers

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