Extreme Mopars
Back For 2017

ExtremeMopars has Mopar, Chrysler,  Dodge,Plymouth  cars & Trucks, Classic & Muscle cars

Mopar,Chrysler,Plymouth,Dodge car & truck information

Tightening information for 1968 Charger-Coronet-Dart on 7-1/4" axle

Tightening reference provided below is for those of you needing the correct Foot Pounds to set your torque wrench , to get the correct amount of pressure to tighten up those bolts or nuts on many different parts of the drivetrain.as well as certain parts of the engine.


Making sure that you have the correct amount of torque to bolts and nuts is very crucial to many parts that make up the drivetrain and engine.

Over tightening can amount to the failure of the bolt and can cause breakage and damage.

Not tightening it enough is and can be just as hazardous as over tightening the nuts or bolts.


Also, remember, make sure your torque wrench is calibrated to give you the accurate amount of torque that's needed to maintain a reliable and safe operation of the parts listed below.

Hand Tools

Tightening chart for 1968 Dodge

Differential Bearing Cap Bolts ......................................................40 FT LBS

Differential Case Half Retaining Bolts (Sure-Grip )..........................45

Ring Gear to Differential Case Bolts ( Left Hand Thread )...............55

Drive Pinion Flange Nut .............................................................240 ( MIN.)

Carrier Cover Bolts ...................................................................20

Axle Shaft Retainer Nuts ...........................................................35

Propeller Shaft Bolts ( Rear ) ...................................................15

Spring Clip ( U Bolt ) Nuts .........................................................40 ( MAX )

Wheel Stud Nuts .....................................................................55

Shock Absorber Stud Nuts ( Lower ) ........................................50


Hand Tools

Tightening reference chart for 1968 Dodge 170 - 225 cubic inch engines

Torque Foot-Pound    Thread Size

Connecting Rod Nut..................................................45                                              3/8-24

Cylinder Head Bolt ...................................................65                                             9/16-14

Main Bearing Cap Bolt ................................................85                                            1/2-13

Spark Plug ..............................................................30                                            14mm

Camshaft Lockbolt ....................................................35                                           9/16-14

Carburetor to Manifold Nut .........................................30                                             3/8-16

Chain Case Cover Bolt ...............................................200 in. -LBS.                             5/16-18

Torque Converter Housing Bolt ....................................30                                             3/8-16

Converter Brace to Aluminum Housing ...........................40                                            9/16-14

Converter Brace to Engine Block .................................. 30                                             3/8-16

Clutch Housing Bolt ..................................................  30                                            3/8-16

Crankshaft Rear Bearing Seal Retainer ........................... 30                                             3/8-16

Cylinder Head Cover Bolt ............................................40 in.-LBS.                               1/4-20

Distributor Clamp Bolt ................................................200in.LBS.                              5/16-18

Engine Front Mounting To Frame Nut .............................85                                            1/2-20

Engine Front Mounting To Block Nut ..............................45                                            7/16-20

Engine Rear Mount Bolts ............................................. 35                                           7/16-14

Exhaust Manifold Nut ................................................. 10                                            5/16-24

Exhaust Pipe Flange Nut ..............................................30                                           7/16-20

Exhaust Pipe Clamp Bolt .............................................. 20                                           3/8-24

Exhaust Pipe Support Clamp Bolt ....................................20                                          3/8-24

Fan Attaching Bolt ......................................................200in.-LBS                              5/16-18

Flywheel to Crankshaft ................................................55                                           7/16-20

Flex Plate to Crankshaft ...............................................55                                           7/16-20

Flex Plate to Converter ................................................270 in.-LBS.                           5/16-24

Flywheel Housing to Cylinder Block Bolt ............................50                                          7/16-14

Flywheel Housing Cover Bolt ..........................................7                                           1/4-20

Fuel Pump Attaching Bolt ..............................................30                                          3/8-16

Alternator Bracket Bolt .................................................30                                         3/8-16

Alternator Mounting Nut ................................................200 in.-LBS.                          5/16-18

Alternator Adjusting Strap Bolt .......................................15                                         5/16-18

Alternator Adjusting Strap Mounting Bolt ..........................30                                         3/8-16

Intake to Exhaust Manifold Bolt .......................................200 in.-LBS.                         5/16-18

Manifold Heat Control Counterweight Bolt .........................50 in.-LBS.                           10-32

Oil Pan Drain Plug ........................................................20                                         1/2-20

Oil Pan Bolt ...............................................................200 in.-LBS.                          5/16-18

Oil Pump Cover Bolt .....................................................95 in.-LBS.                          1/4-20

Oil Pump Attaching Bolt ................................................200 in.-LBS.                        5/16-18

Oil Filter Attaching Stud ................................................30                                      3/4-16

Oil Pressure Gauge Sending Unit ......................................60 in.-LBS.                        1/8 N.P.T.F.

Rocker Shaft Bracket Bolt ...............................................25                                       3/8-16

Starter Mounting Bolt ...................................................50                                       7/16-14

Temperature Gauge Sending Unit ....................................180 in.-LBS.                      1/4 N.P.T.F.

Water Pump to Housing Bolt ...........................................30                                      3/8-16