Automotive Torque Specifications |
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High Performance Engine Torque Specifications American V6s & V8s
Mopar Engines
| Chrysler LA Engines | |
|---|---|
| Component | Torque |
| Camshaft Lock bolt | 35 ft. lbs. |
| Camshaft Thrust Plate Bolts | 210 inch lbs. |
| Crankshaft Pulley-to-Vibration Damper Bolts | 200 inch lbs. |
| Cylinder Head Bolts-273 & 318 | 85 ft. lbs. |
| Cylinder Head Bolts-340 | 90 ft. lbs. |
| Flexplate-to-Converter Bolts | 270 inch lbs. |
| Flexplate-to-Crankshaft Bolts | 55 ft. lbs. |
| Flywheel-to-Crankshaft Bolts | 55 ft. lbs. |
| Flywheel Housing-to-Engine Block Bolts | 50 ft. lbs. |
| Intake Manifold Bolts | 35 ft. lbs. |
| Main Bearing Cap Bolts | 85 ft. lbs. |
| Oil Pan Bolts | 15 ft. lbs. |
| Oil Pump Attaching Bolts | 35 ft. lbs. |
| Oil Pump Cover Bolts | 95 inch lbs. |
| Rocker Shaft Bracket Bolts | 30 ft. lbs. |
| Rod Bearing Cap Nuts | 45 ft. lbs. |
| Timing Chain Cover Bolts | 30 ft. lbs. |
| Vibration Damper-to-Crankshaft Bolt | 135 ft. lbs. |
| Water Pump Bolts | 30 ft. lbs. |
| Chrysler B & RB Engines | |
|---|---|
| Component | Torque |
| Camshaft Lockbolt | 35 ft. lbs. |
| Crankshaft Pulley-to-Vibration Damper Bolts | 200 inch lbs. |
| Crankshaft Rear Bearing Seal Retainer Bolts | 30 ft. lbs. |
| Cylinder Head Bolts | 70 ft. lbs. |
| Exhaust Manifold Nuts | 30 ft. lbs. |
| Flexplate-to-Converter Bolts | 270 inch lbs. |
| Flexplate-to-Crankshaft Bolts | 55 ft. lbs. |
| Flywheel-to-Crankshaft Bolts | 55 ft. lbs. |
| Flywheel Housing-to-Engine Block Bolts | 50 ft. lbs. |
| Intake Manifold Bolts | 40 ft. lbs. |
| Main Bearing Cap Bolts | 85 ft. lbs. |
| Oil Pan Bolts | 15 ft. lbs. |
| Oil Pump Cover Bolts | 10 ft. lbs. |
| Oil Pump Attaching Bolts | 35 ft. lbs. |
| Rocker Shaft Bracket Bolts | 25 ft. lbs. |
| Rod Bearing Nuts ( Plain ) | 45 ft. lbs. |
| Rod Bearing Nuts ( HD ) | 50-55 ft. lbs. |
| Valve Cover Bolts | 40 inch lbs. |
| Valve Cover End Bolt | 9 ft. lbs. |
| Vibration Damper-to-Crankshaft Bolt | 135 ft. lbs. |
| Water Pump Bolts | 30 ft. lbs. |
| Chrysler 426 Hemi Engine | |
|---|---|
| Component | Torque |
| Camshaft Cap Screw ( Race Hemi ) | 75 ft. lbs. |
| Camshaft Cap Screw ( Street Hemi ) | 40 ft. lbs. |
| Crankshaft Pulley-to-Vibration Damper Bolts | 200 inch lbs. |
| Crankshaft Rear Bearing Seal Retainer Bolts | 30 ft. lbs. |
| Cylinder Head Bolts ( Cast iron head ) | 70-75 ft. lbs. |
| Cylinder Head Bolts ( Aluminum head ) | 65-70 ft. lbs. |
| Cylinder Head Stud Nuts ( Cast iron head ) | 70-75 ft. lbs. |
| Cylinder Head Stud Nuts ( Aluminum head ) | 65-70 ft. lbs. |
| Exhaust Manifold Nuts | 30 ft. lbs. |
| Flexplate-to-Converter Bolts | 65 ft. lbs. |
| Flexplate-to-Crankshaft Bolts | 70 ft. lbs. |
| Flywheel-to-Crankshaft Bolts | 70 ft. lbs. |
| Flywheel Housing-to-Engine Block Bolts | 50 ft. lbs. |
| Intake Manifold Bolts | 40 ft. lbs. |
| Main Bearing Cap Bolts | 100 ft. lbs. |
| Main Bearing Cap Tie Bolt | 45 ft. lbs. |
| Oil Pan Bolts | 15 ft. lbs. |
| Oil Pump Cover Bolts | 10 ft. lbs. |
| Oil Pump Attaching Bolts | 35 ft. lbs. |
| Rocker Shaft Bracket Bolts | 30 ft. lbs. |
| Rod Bearing Nuts ( 7/16 in. bolt ) | 75 ft. lbs. |
| Rod Bearing Nuts ( 1/2 in. bp/t ) | 82 ft. lbs. |
| Vibration Damper-to-Crankshaft Bolt | 135 ft. lbs. |
| Water Pump Bolts | 30 ft. lbs. |
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Torque sequence-Chrysler LA Engines |
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Torque sequence-Chrysler B & RB Engines |
Torque sequence-Chrysler Hemi Engines |
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