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What should I torque my intake manifold to?
Intake manifold bolts on SBC engines should be torqued to 30 lb-ft in a two-step sequence. First time around, set your torque wrench to 20, follow the pattern, then repeat the pattern (image above) again after setting the wrench to 30.
What is the torque on a 350 intake?
In the GM 350-cubic-inch engine, the intake manifold bolts to the cylinder head with 33 foot-pounds of torque.
What are the torque specs for a small block Chevy intake manifold?
Small Block Chevy Torque Specs
| Fastener Type | Torque Spec |
|---|---|
| Intake Manifold Bolts (Cast Iron Heads) | 30 ft.-lbs. |
| Oil Pump Bolt | 60-70 ft.-lbs. |
| Cam Sprocket Bolts | 18-20 ft.-lbs. |
| Harmonic Damper Bolt | 60 ft.-lbs. |
What are the torque specs for an exhaust manifold?
The standard is to use 20 to 30 foot-pounds of torque. Older engines often fall on the lighter side of the equation, so use 15 to 20 foot-pounds of torque if your engine is 15 years old or older. Some manifolds house different sensors and plugs, such as a check valve or exhaust plug.
What is the torque specs for Chevy 350 heads?
Always torque bolts in three equal increments
| Bolts or Parts | Lube or Sealer | Torque to: |
|---|---|---|
| 11/32 Connecting Rod | Engine Oil | 45 ft-lbs. |
| Cylinder Heads | Engine oil (blind hole) Sealer (water jacket) | 65 ft-lbs. |
| Rocker Studs (screw-in) | Engine Oil | 50 ft-lbs. |
| Oil Pump | Engine Oil | 65 ft-lbs. |
What are the torque specs for the main bearing caps?
On the 3.0L engine, the main bearing cap bolts should be torqued in proper sequence to 14 ft. lbs. (20 Nm), then an additional 90 degrees and another 45 degrees after that. Also on the 3.0L engine, the connecting rod cap nuts should be torqued in proper sequence to 22 ft.
What are the torque specs for a 350 Chevy flywheel?
Small Block Chevy Torque Specs
| Fastener Type | Torque Spec |
|---|---|
| Oil Pump Bolt | 60-70 ft.-lbs. |
| Cam Sprocket Bolts | 18-20 ft.-lbs. |
| Harmonic Damper Bolt | 60 ft.-lbs. |
| Flywheel/Flexplate Bolts | 65 ft.-lbs. |
What are the torque specifications for a GM 4.3L V6?
47.45 Vortec – Engine Block to MANUAL Transmission Bolts Type: Bolt Head: Hexagon Exhaust Manifold To Cylinder Head 22 264 29.83 Vortec – Exhaust Manifold – 2 Steps: 11 FtLbs; 22 FtLbs Type: Bolt Exhaust Pipe To Exhaust Manifold 20 240 27.12 Vortec – Exhaust Pipe to Exhaust Manifold Nuts Type: 24 288 32.54 Vortec – Fan to Fan Clutch Bolts
What is the torque of a 104.4 Vortec bolt?
104.4 Vortec – Main Bearing Cap Bolts Type: Bolt 15 180 20.34 Vortec – Main Bearing Cap Bolts – 2 Steps: 15 FtLbs; +75degs Type: Bolt Crankshaft Position Sensor To Engine Block 8 96 10.85 Type: Bolt Crankshaft Position Sensor To Engine Block 15 180 20.34 Type: Bolt Cylinder Head To Cylinder Head 65 780 88.13 Type: Bolt
How big are the bolts on a GM 4.3L V6?
29.83 Vortec – Head Bolts – LONG – 2 Steps: 22FtLbs; +75deg Type: Bolt Cylinder Head To Cylinder Head 22 264 29.83 Vortec – Head Bolts – MEDIUM – 2 Steps: 22FtLbs; +65deg Type: Bolt Cylinder Head To Cylinder Head 22 264 29.83 Vortec – Head Bolts – SHORT – 2 Steps: 22FtLbs; +55deg Type: Bolt 18 216 24.4 Type: Bolt Head: Hexagon
How many ft of torque does a Vortec have?
11 132 14.91 Vortec – Intake Manifold – 3 Steps: 2 FtLbs; 9 FtLbs; 11 FtL Type: Bolt Head: Hexagon 26 312