Originally Posted by Commanderwiggin
Which one was your favorite?
depends on the power band.
If you have twin 62 mm chargers like I do 3,64 is very good as it allows to use higher rpms.
If its got more low end torque like a S54 with a single 68 mm turbo then 2,65 pulls and pulls and feels as if the pull will never end.
so many factors play their own roles.
so cant say this ratio or that is better.
XM3 = all wheel drive E46 M3 launching
4,23 s 60-130 mph E46 M3 TT