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. 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. |