However, as a general guideline, the head bolt torque specifications for a 3.1L V6 engine may be around 30 to 40 ft-lbs (foot-pounds). It's important to follow the recommended tightening sequence and torque values provided by the manufacturer to ensure proper sealing and to prevent damage to the engine.
If you're working on your vehicle's engine, it's crucial to have the correct tools and knowledge to perform the task safely and accurately. If you're not confident in your ability to perform this task, it's best to seek professional help from a qualified mechanic.