... two of the world’s strongest brands with one single philosophy: maximum performance for the ultimate driving experience.” – Hartnut Kristen, Director of Porsche Motorsports Porsche“For ... largely on the quality of the rebuild. Due to the tighter tolerance and improved machining of today’s engines, the traditional concept of “break -in is not as critical. However, if the engine rebuilder ... to boil off moisture and unburnt fuel in the oil, leading to the developments of acids in the oil. Since the engine is partially cooled by airflow, temperatures can increase when the engine...