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 |
||
| 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. |
Chevrolet Big Block Casting Numbers
- Chevrolet Big block block casting numbers
- Chevrolet Big block cylinder head casting numbers
- Chevrolet Big block intake manifold casting numbers
- Chevrolet Big block exhaust manifold casting numbers
- Chevrolet Big block crankshaft casting numbers
- Chevrolet Big block camshaft casting numbers