Big Block Chevy V8 - BBC - Engine Specifications
396-454 CID - BBC Firing Order
Torque Specs
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. |
| 3/8 Connecting Rod Cap | Engine Oil | 50 ft-lbs. |
| 7/16 Connecting Rod Cap | 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.in) |
| 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. |
ARP Stud kit # 070 135-5402 - torque to 90ft lbs using ARP moly lube; 130ft lbs using 30wt oil
