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Small Block Chevy V8

267, 305, 327, 350, 400 cid.

Firing Order

Cylinder Numbering Distributor Rotation

Rotor Under Cap Spins:


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:
7/16 Main Caps (2 bolt) Engine Oil 70 ft-lbs.
7/16 Inner Main Caps (4 bolt) Engine Oil 70 ft-lbs.
7/16 Outer Main Caps (4 bolt) Engine Oil 65 ft-lbs.
3/8 Outer Main Caps (4 bolt) Engine Oil 40 ft-lbs.

If you are using ARP bolts, you MUST use
their specs.  Click Here!
3/8 Connecting Rod Bolt Engine Oil 45 ft-lbs.
11/32 Connecting Rod Bolt Engine Oil 35 ft-lbs.

Cylinder Heads

Engine oil

(blind hole)


(water jacket)

65 ft-lbs.

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 30 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.


(Harmonic Damper)

Engine Oil 60 ft-lbs.


(Transmission to Block)

Engine Oil 25 ft-lbs.

Head Bolt Tightening Sequence

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