If you have wondered what the largest factory displacement engine was, or if synthetic oil needs to be changed as often... here is an answer website

http://revback.com/ If you read the questions, and find there are some you know the answers to, it becomes addictive to help the people who asked them... yes, there are feedback reasons to reward you for your time and having the best answers The 2nd biggest factory displacement engine was in the 1912 Benz 82 200, it had a 21.5 liter 4 cylinder. the biggest was the Beast from Turin, the Fiat that had 28 liters of displacement

World's largest car engine? Probably