Chevrolet Big Block Specifications

Firing Order

Torque Specs

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 396-427 (2 bolt) Engine Oil 95 ft-lbs.
Main Caps 396-454 (4 bolt) Inner and Outer bolts Engine Oil 110 ft-lbs.
Warning!!!     If you are using ARP bolts, you MUST use their specs.  Click Here!
3/8 Connecting Rod Bolt Engine Oil 50 ft-lbs.
7/16 Connecting Rod Bolt Engine Oil 70 ft-lbs.
Cylinder Heads Engine oil (blind hole) Sealer (water jacket) 75 ft-lbs. (long bolts) 65 ft-lbs. (short bolts)
Rocker Studs (screw-in) Engine Oil 50 ft-lbs.
Oil Pump Engine Oil 65 ft-lbs.
Oil Pan Engine Oil 12 ft-lbs.
Cam Sprocket (upper gear) Thread Locker 20 ft-lbs.
Timing Cover Engine Oil 6 ft-lbs.
Intake Manifold (Cast Iron Heads) Non- Hardening Sealer 25 ft-lbs.
Valve Cover Engine Oil 3 ft-lbs.
Exhaust Manifold Anti-Seize Lubricant 25 ft-lbs.
Spark Plugs No Lube or Sealer 20 ft-lbs.
Flexplate (Automatic) Flywheel (Clutch) Thread Locker 60 ft-lbs.
Clutch Pressure Plate Thread Locker 35 ft-lbs.
Centerbolt (Harmonic Damper) Engine Oil 85 ft-lbs.
Bellhousing (Transmission to Block) Engine Oil 25 ft-lbs.