I have a 5.4 M113.98 (NA) AMG lump on a stand that will, after some refurbishment, eventually go into my C43. Whilst it's not in a car and for the sheer hell of it, I wonder what would be the benefit (or otherwise) of:
a) having the flywheel lightened and/or
b) taking it out to say, 5.8 litres...