What is the torque on a small block Chevy head bolt?
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. |
What is the head torque specs for Chevy 350?
The Chevrolet 350 cylinder-head torque specification is 65 ft. -lbs. The intake installed onto cast-iron heads requires 30 ft. -lbs.
What happens if you dont use a torque wrench?
Too tight and something will break, it may be the thread on the bolt, or much worse the thread on in the hole. Bolts will also break, sometimes leaving a very hard to remove bit in your frame.
What is head torque on a cylinder head?
Head Bolt Torque. Head bolt torque refers to the amount of rotational force that must be applied to the cylinder head bolts for a safe and secure connection either to the engine block or another cylinder head depending upon the engine. After the desired torque is reached, some bolts then require further rotation of a few degrees.
How much torque do you need for a short head engine?
This engine had three sizes of bolts referred to as short, medium and long. The short bolts required 22 foot-pounds of torque and then a 55-degree rotation. The medium-head bolts need 22 foot-pounds of torque and a 65-degree rotation. The long cylinder head bolts required 22 foot-pounds of torque and a 75-degree rotation.
What are the torque requirements for a Ford S-10 head bolt?
The 2.2 L engine used in the S-10 had two different sizes of bolts: a long and a short size. The long bolts require 46 foot-pounds of torque followed by a rotation of 90 degrees. The short bolts require 43 foot-pounds of torque followed by a 90-degree rotation. Prior to 1996, the head bolts in this vehicle required 65 foot-pounds of torque.
How much torque is needed to rotate head bolts?
Prior to 1996, the head bolts in this vehicle required 65 foot-pounds of torque. This engine had three sizes of bolts referred to as short, medium and long. The short bolts required 22 foot-pounds of torque and then a 55-degree rotation.