To find the correct information, you need to know the exact year of manufacture of the engine. Then, you'll need to find a reliable source like:
* A repair manual specific to that year and model: This is the best source. Chilton and Haynes are popular brands.
* A factory service manual: Even better than a general repair manual, if you can find one.
* GM's official website or a parts dealer: They can provide information based on the engine's VIN (Vehicle Identification Number).
Once you have the year, the manual or parts dealer will give you the:
* Torque specifications: These will vary for different fasteners (head bolts, main bearing caps, etc.). The manual will specify the correct torque for each bolt and the sequence in which to tighten them. This is *crucial* for proper engine assembly and preventing damage.
* Connecting rod (rod) specifications: This will include the rod length and bearing size. Again, this varies slightly across production years and even potentially between individual engines.
Never attempt engine work without the correct specifications and the proper tools. Incorrect torque can lead to serious engine damage.
