What is the torque sequence for head bolts?
In increasing number sequence (1-2-3-4), tighten the head bolt in three stages. 1. Tighten each bolt to 7-9 foot pounds of torque. 2, Tighten each bolt to 12-14 foot pounds of torque.
What is the torque on the head bolts on a 350 Chevy?
65 ft.-lbs.
Small Block Chevy Torque Specs
| Fastener Type | Torque Spec |
|---|---|
| Cylinder Head Bolts | 65 ft.-lbs. |
| Screw-In Rocker Arm Studs | 50 ft.-lbs. |
| Intake Manifold Bolts (Cast Iron Heads) | 30 ft.-lbs. |
| Oil Pump Bolt | 60-70 ft.-lbs. |
Do you put sealant on LS head bolts?
ALL LS blocks are blind holes . do not use sealant on the threads.
Can you reuse Vortec head bolts?
If a head bolt is rusted it should not be reused. A head bolt should not be reused if the threads are galled or badly damaged. Chasing damaged head bolt threads with a die will clean up the threads but also remove material (metal) and undermine the head bolt’s ability to torque down and hold to specs.
Should I use Loctite on head bolts?
NO! You can use blue locktite in alot of places, but your headbolts are not one of them. Headbolts need to be brought up to torque specs in stages, and in a specific order (see a motor manual), and then re-torqued after the engine has been run for awhile to make sure they are all at the proper torque value.
Do you need to lubricate head bolts?
Always use lubrication on your head bolts and studs. Make sure your fasteners are clean and the holes are free from debris.
Do LS head bolts need sealant?
Premium Member. ALL LS blocks are blind holes . do not use sealant on the threads. use arp assy lube.
Can I reuse Vortec head bolts?
Can I use grease instead of anti seize?
However, anti-seize is not suitable for fast-moving applications, as its high solids content can cause parts to jam….Anti-Seize.
| Grease | Anti-Seize |
|---|---|
| Good for fast-moving, low contact, low pressure applications | Good for slow-moving, extremely high contact and high-pressure applications |