Chrysler HEMI 426 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, always torque bolts in three equal increments
Bolts or Parts Lube or Sealer Torque to:
Main Caps Engine Oil 100 ft-lbs.
Main Cap Tie Bolts Engine Oil 45 ft-lbs.
Warning!!!     If you are using ARP bolts, you MUST use their specs.  Click Here!
Connecting Rod (7/16 bolts) Engine Oil 75 ft-lbs.
Cylinder Heads Iron Heads Aluminum Heads Engine oil (blind hole) Sealer (water jacket)   75 ft-lbs. 70 ft-lbs.
Camshaft Cap Screw (Steet HEMI) Thread Locker 40 ft-lbs.
Camshaft Cap Screw (Race HEMI) Thread Locker 75 ft-lbs.
Rocker Shaft brackets Engine Oil 30 ft-lbs.
Oil Pump Engine Oil 35 ft-lbs.
Oil Pan Engine Oil 15 ft-lbs.
Timing Cover Engine Oil 10 ft-lbs.
Intake Manifold (Cast Iron Heads) Non- Hardening Sealer
Valve Cover Engine Oil 6 ft-lbs.
Exhaust Manifold Anti-Seize Lubricant 30 ft-lbs.
Spark Plugs No Lube or Sealer 20 ft-lbs.
Flexplate/Flywheel Cap Screws Thread Locker 70 ft-lbs.
Centerbolt (Harmonic Damper) Engine Oil 135 ft-lbs.
Bellhousing (Transmission to Block) Engine Oil 50 ft-lbs.
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