Big Block Chevy V8 - BBC - Engine Specifications

Big Block Chevy V8 - BBC - Engine Specifications

396-454 CID - BBC Firing Order

BBC V8 Firing Order

Torque Specs

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.
3/8 Connecting Rod Cap Engine Oil 50 ft-lbs.
7/16 Connecting Rod Cap 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
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.

ARP Stud kit # 070 135-5402 - torque to 90ft lbs using ARP moly lube; 130ft lbs using 30wt oil

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