Just out of curiosity why does the engine max out at 7800RPM instead of 8400RPM like stock E92? Could you raise the stroker to 8400 without major internal changes?
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2009 E92 M3 MT (Gone)
2013 E92 M3 MT (Gone)
2015 SeaRay 250 SLX 8.2 Magnum HO B3