Quote:
Originally Posted by 1SerieStud
Yup, major denial. Piston rings and flywheel upgrades are not considered "minor" differences in my book, as one is directly related to compression and the other is directly related to throttle response, both of which are connected to the performance of the engine.
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They are minor as compared to what has been the trend for M engined vehicles versus their more "pedestrian" counterparts. I wonder if the piston ring change was done for better compression or for better heat transfer? Like I said I havent read much about that particular upgrade so maybe you could shed more light on that. The flywheel is a difference but i would wager it isn't a HUGE difference to the normal driver when driven back to back...just my opinion....