Engine design
One thing that I saw at Hartech was the huge difference in the crankcases between 997.1 and 997.2 cars. As stated Gen 2 are closed deck from top to bottom but they also have a thick brace of alloy across the bottom of each piston chamber.
The theory being that the damage being more focused to the bottom of certain piston bores may be related to tight tolerances and heating and cooling cycles and expansion differences across the top to bottom of the piston bores. Possibly exacerbated by the bracing at the bottom of the chambers.
Reckon a very good reason to ensure a good practice of warming the car up before giving it beans, especially in cold weather. From what I am told that goes beyond what the water temp says, more to do with oil temp as water heats up far quicker is not a good indicator of the engine temperature proper.
An awareness of a potential 'problem' is a good way of attempting to avoid it!
For sure I am another relieved Gen2 owner.
Regards
Glen
One thing that I saw at Hartech was the huge difference in the crankcases between 997.1 and 997.2 cars. As stated Gen 2 are closed deck from top to bottom but they also have a thick brace of alloy across the bottom of each piston chamber.
The theory being that the damage being more focused to the bottom of certain piston bores may be related to tight tolerances and heating and cooling cycles and expansion differences across the top to bottom of the piston bores. Possibly exacerbated by the bracing at the bottom of the chambers.
Reckon a very good reason to ensure a good practice of warming the car up before giving it beans, especially in cold weather. From what I am told that goes beyond what the water temp says, more to do with oil temp as water heats up far quicker is not a good indicator of the engine temperature proper.
An awareness of a potential 'problem' is a good way of attempting to avoid it!
For sure I am another relieved Gen2 owner.
Regards
Glen