Chrysler 273, 318, 340, 360 A 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 85 ft-lbs.

If you are using ARP bolts, you MUST use
their specs.  Click Here!

Connecting Rod Bolts (Plain) Engine Oil 45 ft-lbs.
Cylinder Heads



Engine oil

(blind hole)


(water jacket)


85 ft-lbs.

95 ft-lbs.

Rocker Shaft brackets Engine Oil 17 ft-lbs.
Oil Pump Cover Engine Oil 95 in-lbs.
Oil Pump Engine Oil 35 ft-lbs.
Oil Pan Engine Oil 15 ft-lbs.
Camshaft Locking Bolt Thread Locker 35 ft-lbs.
Front Cover Engine Oil 30 ft-lbs.
Intake Manifold

(Cast Iron Heads)

Non- Hardening Sealer 35 ft-lbs.
Valve Cover Engine Oil 6 ft-lbs.
Water Pump Non- Hardening Sealer 30 ft-lbs.
Fuel Pump Engine Oil 30 ft-lbs.
Starter mounting Bolts Engine Oil 50 ft-lbs.
Exhaust Manifold Anti-Seize Lubricant 30 ft-lbs.
Spark Plugs No Lube or Sealer 20 ft-lbs.
Flexplate/Flywheel Thread Locker 55 ft-lbs.
Clutch Housing Bolts Engine Oil 30 ft-lbs.
Flexplate to Torque Converter Thread Locker 270 in-lbs.

(Harmonic Damper)

Engine Oil 135 ft-lbs.

(Transmission to Block)

Engine Oil 50 ft-lbs.