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Message: <blockquote data-quote="ALBundy" data-source="post: 39666" data-attributes="member: 15"><p>Improved FC?? Its all a question of relativity. Not too sure bout M20 engines, but for M50s, the FC for a 2.0 and 2.5 is pretty similar. With a bigger engine, you dont need to press your gas pedal that much to get the car moving so in terms of FC versus CC (cubic capacity), yes you are getting better FC, relatively speaking.Back to basics, to improve FC, you need to improve engine efficiency or lighten the damn car and engine. By the way, petrol engine efficiency is less than 40%, the rest turns into heat (partly due to internal resistance also). If you can improve it to say 60%, you may win the noble prize for engineering kekekeke.</p></blockquote><p></p>