426 Hemi Engine Torque Specifications * Torque values shown are in ft/lbs unless otherwise noted * Follow factory torque sequence
|
Fastener
| Torque
| Thread Size
|
Alternator Adjusting Strap Bolt
|
| 5/16-18
|
Alternator Bracket to Block Bolt
|
| 3/8-16
|
Alternator Mounting Bolt
|
| 3/8-16
|
Camshaft Gear Retaining Bolt
|
| 3/8-16
|
Carburetor to Manifold Nut
|
| 5/16-24
|
Clutch Housing Bolt
|
| 7/16-14
|
Connecting Rod Nut
|
| 7/16-20
|
Crankshaft Rear Seal Retainer
|
| 3/8-16
|
Crankshaft Bolt (Vibration Damper)
|
| 3/4-16
|
Cylinder Head Bolt
| 70-75
| 7/16-14
|
Cylinder Head Stud Nut
| 70-75
| 7/16-20
|
Distributor Clamp Bolt
| 200 in/lbs
| 5/16-18
|
Exhaust Manifold Bolt
|
| 3/8-16
|
Fan Attaching Bolt
|
| 5/16-18
|
Flywheel Cover Bolt
|
| 1/4-20
|
Flywheel Housing to Block Bolt
|
| 7/16-14
|
Flywheel to Crankshaft Bolt
|
| 7/16-20
|
Fuel Pump to Block
|
| 3/8-16
|
Main Bearing Cap Bolt
|
| 1/2-13
|
Main Bearing Cap Tie Bolt
|
| 3/8-16
|
Oil Pan Drain Plug
|
| 1/2-20
|
Oil Pan Bolt
|
| 5/16-20
|
Oil Pump Cover Bolt
|
| 5/16-18
|
Oil Pump to Block Bolt
|
| 3/8-16
|
Rocker Shaft Bolt
|
| 3/8-16
|
Spark Plug
|
| 14mm
|
Starter Mounting Bolt
|
| 7/16-14
|
Timing Cover Bolt - Upper
| 15-18
| 5/16-18
|
Timing Cover Bolt - Lower
| 15-18
| 3/8-16
|
Torque Converter Housing Bolt
|
| 3/8-16
|
Torque Converter to Flexplate Bolt
|
| 7/16-20
|
Valve Cover Stud & Nut
| 40in/lbs
| 1/4-28
|
Water Pump to Housing Bolt
|
| 3/8-16
|
Water Pump Housing to Block Bolt
|
| 3/8-16
|