Let me know if I am thinking wrong. If I fly at 8000 feet or higher most of the time, wouldn't higher compression pistons benefit me? The atmosphere is thinner, the engine produces less power because of that. Could I not regain some of the lost power by increasing my compression from 8.5 to 1 to 9.5 to 1? I have read the compression threads but I did not find information about high compression and high altitude flying. Thanks in advance!!!!!