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Big Block Chevy V8
396 through 454cid.
Firing Order
| Cylinder Numbering |
Distributor Rotation |
 |
Rotor Under Cap Spins:
Clockwise |
Torque Specs
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 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. |
| 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. |
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Flexplate (Automatic)
Flywheel (Clutch) |
Thread Locker |
60 ft-lbs. |
| Clutch Pressure Plate |
Thread Locker |
35 ft-lbs. |
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Centerbolt
(Harmonic Damper) |
Engine Oil |
85 ft-lbs. |
|
Bellhousing
(Transmission to Block) |
Engine Oil |
25 ft-lbs. |
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