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What is the torque for intake manifold bolts?
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 Chevy?
Top-End Torque Specs The Chevrolet 350 cylinder-head torque specification is 65 ft. -lbs.
How do you install intake manifold bolts?
Installation Process
- Clean the mounting surface of the cylinder head with a clean rag and acetone (or a similar cleaner).
- Set the intake manifold in place.
- Apply Thread Locking Compound to the bolt threads.
- Install all the bolts finger-tight.
- Tighten the bolts in 2 passes.
What is a tightening torque?
Torque tightening is the accurate application of torque to a nut so that a bolt can hold its load securely without breaking. When you apply the right amount of torque, the bolt is properly stretched so that it can act as a solid spring to clamp the two materials together. …
What are the torque specs for a Chevy 350 intake?
The specifications given are for the typical 350 engine. The Chevrolet 350 cylinder-head torque specification is 65 ft.-lbs. The intake installed onto cast-iron heads requires 30 ft.-lbs.
What should intake manifold bolts be torqued 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.
How much torque does a small block intake have?
Small Block Chevy Intake Manifold Bolt Torque Specifications. 25 Ft/Lbs. Make sure you follow the sequence in a couple of steps, worry about this more on old and aluminum manifolds. Cast Iron is much more forgiving if you are unfortunate to have to use a boat anchor of an intake.
What are the torque specs for SBC engines?
Intake manifold bolts and head studs/bolts have to be torqued in a certain pattern and to a certain torque spec in order for your engine to work properly. Intake manifold bolts on SBC engines should be torqued to 30 lb-ft in a two-step sequence.