Small Block Chevy | Big Block Chevy | ||
Fastener Type | Torque Spec | Fastener Type | Torque Specs |
7/16 in. outer main cap bolt | 65 ft.-lbs. | Main cap bolt, 396-427 2-bolt | 95 ft.-lbs. |
7/16 in. inner main cap bolt | 70 ft.-lbs. | Main cap bolt, 396-454 4-bolt (inner/outer) | 110 ft.-lbs. |
3/8 in. outer main cap bolt | 40 ft.-lbs. | 3/8 in. connecting rod bolt | 50 ft.-lbs. |
11/32 in. connecting rod bolt | 38-44 ft.-lbs. | 7/16 in. connecting rod bolt | 67-73 ft.-lbs. |
3/8 in. connecting rod bolt | 40-45 ft.-lbs. | Cylinder head bolts, long | 75 ft.-lbs. |
Cylinder head bolts | 65 ft.-lbs. | Cylinder head bolts, short | 65-68 ft.-lbs. |
Screw-in rocker arm studs | 50 ft.-lbs. | Screw-in rocker arm studs | 50 ft.-lbs. |
Intake manifold bolts (cast iron heads) | 30 ft.-lbs. | Intake manifold bolts (cast iron head) | 25 ft.-lbs. |
Oil pump bolt | 60-70 ft.-lbs. | Oil pump bolt | 65 ft.-lbs. |
Cam sprocket bolts | 18-20 ft.-lbs. | Cam sprocket bolts | 20 ft.-lbs. |
Harmonic damper bolt | 60 ft.-lbs. | Harmonic damper bolt | 85 ft.-lbs. |
Flywheel/flexplate bolts | 65 ft.-lbs. | Flywheel/flexplate bolts | 60 ft.-lbs. |
Pressure plate bolts | 35 ft.-lbs. | Pressure plate bolts | 35 ft.-lbs. |
Bellhousing bolts | 25 ft.-lbs. | Bellhousing bolts | 25 ft.-lbs. |
Exhaust manifold bolts | 25 ft.-lbs. | Exhaust manifold bolts | 20 ft.-lbs. |