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440'S Chrysler, Dodge, Plymouth and Mopar Engine Information.

Mopar Information:HomeChrysler, Dodge And Plymouth Engines426 HEMI
 

426 Hemi Engine Bolt Torque Specifications
 
Torque specifications are for stock factory type bolts with light engine oil applied to the threads and the underside of the bolt head. Other lubrications offer reduced friction and increased bolt tension, and will affect the torque figure. If using aftermarket performance bolts, you should follow the recommended torque specifications of the aftermarket bolts.
 
*Please Note: Some specifications listed below are in inch-pounds rather than foot-pounds. Over torquing will result in broken bolts.
 

* Torque values shown are in ft/lbs unless otherwise noted - Follow factory torque sequence.
 
Alternator Adjusting Strap Bolt

15

5/16-18
Alternator Bracket to Block Bolt

30

 3/8-16
Alternator Mounting Bolt

30

 3/8-16
Camshaft Gear Retaining Bolt 40 3/8-16
Carburetor to Manifold Nut 7 5/16-24
Clutch Housing Bolt 50 7/16-14
Connecting Rod Nut 75 7/16-20
Crankshaft Rear Seal Retainer 30 3/8-16
Crankshaft Bolt (Vibration Damper) 135 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 35 3/8-16
Fan Attaching Bolt 15 5/16-18
Flywheel Cover Bolt 7 1/4-20
Flywheel Housing to Block Bolt 50 7/16-14
Flywheel to Crankshaft Bolt 70 7/16-20
Fuel Pump to Block 30 3/8-16
Main Bearing Cap Bolt 100 1/2-13
Main Bearing Cap Tie Bolt 45 3/8-16
Oil Pan Drain Plug 20 1/2-20
Oil Pan Bolt 15 5/16-20
Oil Pump Cover Bolt 10 5/16-18
Oil Pump to Block Bolt 30 3/8-16
Rocker Shaft Bolt 30 3/8-16
Spark Plug 30 14mm
Starter Mounting Bolt 50 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 30 3/8-16
Torque Converter to Flexplate Bolt 65 7/16-20
Valve Cover Stud & Nut 40in/lbs 1/4-28
Water Pump to Housing Bolt 30 3/8-16
Water Pump Housing to Block Bolt 30 3/8-16
 
Information found on this page is believed to be accurate. The 440magnum Network assumes no responsibility for errors or omissions in anything that is referenced by or linked to this site. This information is provided "as is" and was obtained from the www, Books and other reference Materials.

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