Chevrolet Small Block Specifications

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:
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.
Warning!!!     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) Sealer (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.
Centerbolt (Harmonic Damper) Engine Oil 60 ft-lbs.
Bellhousing (Transmission to Block) Engine Oil 25 ft-lbs.

Head Bolt Tightening Sequence

 

Chevrolet Small Block Casting Numbers

  1. Chevrolet Small block block casting numbers
  2. Chevrolet Small block cylinder head casting numbers
  3. Chevrolet Small block intake manifold casting numbers
  4. Chevrolet Small block exhaust manifold casting numbers
  5. Chevrolet Small block crankshaft casting numbers
  6. Chevrolet Small block distributor casting numbers
  7. Chevrolet Small block factory camshaft casting numbers
  8. Chevrolet Small block factory piston casting numbers
  9. Chevrolet Small block harmonic balancer and flexplate casting numbers
 

Chevrolet Small Block Engine Suffix Codes

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