Head Bolts

Head Bolts – Never Reuse Torque To Yield (TTY) Head Bolts

01/10/2024

Problems with head bolts, are the number one cause of installation-related gasket failures. Consequently, no gasket is going to seal well, if you use the wrong procedure to tighten the head bolts. For regular bolts, […]

Torque Specification – Torque To Yield (TTY) – Torque, Plus Angle

10/10/2023

Without having the proper torque specification, assembling an engine, is just asking for failure. This is especially true, on today’s lightweight engines, that use mostly aluminum castings. So, having the proper torque specification, is crucial […]

Torque To Yield Bolts – (TTY) – What Exactly Are They

01/18/2023

Torque to yield bolts, are exactly what they sound like. When tightened, they stretch to the point of yield. Many vehicle manufacturers use torque to yield bolts. Especially, on engines with aluminum heads and or […]