| These specs are for stock-type bolts with light engine oil applied to the threads and the underside of the bolt head. Moly and other lubes offer reduced friction and increased bolt tension, which will affect the torque figure. If you use aftermarket performance bolts like ARP's, you should follow the recommended torque specifications. | ||
| 260, 289, 302 | ||
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| Fastener Type | Torque Spec | |
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| Main cap bolts | 60-70 ft.-lbs. | |
| Outer main cap bolts, | 35-40 ft.-lbs. | |
| Connecting rod bolts | 19-24 ft.-lbs. (40-45 ft.-lbs. for 289 HP Boss 302) | |
| Cylinder head bolts | 65-72 ft.-lbs. | |
| Rocker arms | 17-23 ft.-lbs. | |
| Intake manifold bolts | 23-25 ft.-lbs. | |
| Oil pump bolt | 23-28 ft.-lbs. | |
| Cam bolts | 40-45 ft.-lbs. | |
| Cam thrust plate bolts | 8-10 ft.-lbs. | |
| Harmonic damper bolts | 70-90 ft.-lbs. | |
| Flywheel/flexplate bolts | 75-85 ft.-lbs. | |
| Pressure plate bolts | 35 ft.-lbs. | |
| Front cover bolts | 12-15 ft.-lbs. | |
| 351W | ||
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| Fastener Type | Torque Specs | |
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| Main cap bolts | 95-105 ft.-lbs. | |
| Connecting rod bolts | 40-45 ft.-lbs. | |
| Cylinder head bolts | 90-100 ft.-lbs. | |
| Rocker arms | 17-23 ft.-lbs. | |
| Intake manifold bolts | 23-25 ft.-lbs. | |
| Oil pump bolt | 23-28 ft.-lbs. | |
| Cam bolts | 40-45 ft.-lbs. | |
| Cam thrust plate bolts | 8-10 ft.-lbs. | |
| Harmonic damper bolt | 70-90 ft.-lbs. | |
| Flywheel/flexplate bolts | 75-85 ft.-lbs. | |
| Pressure plate bolts | 35 ft.-lbs. | |
| Front cover bolts | 12-15 ft.-lbs. | |
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351C, 351M
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Fastener Type
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Torque Spec
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Main cap bolts
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95-105 ft.-lbs.
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Connecting rod bolts
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40-45 ft.-lbs. (45-50 ft.-lbs. for Boss 351C)
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Cylinder head bolts
(follow factory torque sequence) |
105 ft.-lbs. (125 ft.-lbs. for Boss 351C)
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Rocker arms (non-adjustable)
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18-22 ft.-lbs.
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5/16 in. intake manifold bolts
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21-25 ft.-lbs.
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3/8 in. intake manifold bolts
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28-33 ft.-lbs.
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Oil pump bolt
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25 ft.-lbs.
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Cam bolts
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40-45 ft.-lbs.
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Cam thrust plate bolts
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9-12 ft.-lbs.
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Harmonic damper bolt
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70-90 ft.-lbs.
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Flywheel/flexplate bolts
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75-85 ft.-lbs.
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Pressure plate bolts
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35 ft.-lbs.
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Front cover bolts
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12-18 ft.-lbs.
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429-460
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Fastener Type
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Torque Spec
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Maincap bolts
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95-105 ft.-lbs.
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Connecting rod bolts
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40-45 ft.-lbs.
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Cylinder head bolts
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140 ft.-lbs.
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Rocker arms (non-adjustable)
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18-22 ft.-lbs.
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Intake manifold bolts
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25-30 ft.-lbs.
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Oil pump bolt
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25 ft.-lbs.
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Cam bolts
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40-45 ft.-lbs.
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Harmonic damper bolt
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70-90 ft.-lbs.
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Flywheel/flexplate bolts
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75-85 ft.-lbs.
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Pressure plate bolts
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35 ft.-lbs.
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Front cover bolts
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12-18 ft.-lbs.
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360, 390, 406,
427, 428 FE
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Fastener Type
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Torque Spec
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Main cap bolts
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95-105 ft.-lbs.
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Crossbolts for 406 and 427
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40 ft.-lbs.
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Connecting rod bolts
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40-45 ft.-lbs. (53-58 ft.-lbs. for 406 and 427)
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Cylinder head bolts
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80-90 ft.-lbs. (100-110 ft.-lbs. for 1963-67 427)
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Rocker arm shaft bolts
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40-45 ft.-lbs.
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Intake manifold bolts
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32-35 ft.-lbs.
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Oil pump bolt
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12-15 ft.-lbs.
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Cam bolts
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40-45 ft.-lbs.
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Harmonic damper bolt
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70-90 ft.-lbs.
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Flywheel/flexplate bolts
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75-85 ft.-lbs.
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Pressure plate bolts
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35 ft.-lbs.
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Front cover bolts
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12-15 ft.-lbs.
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