My Mini B18C Type-R Spec R Build
by: Benoit Lefebvre

Final Drive Calculation

Thanks to the Gear Ratios Calculator at ZealAutowerks:

A 4.0 final drive will give me similar speed for every gear with the smaller tires.

I have ordered FD MF-TRS-02B4B from Team M Factory

Graph of the difference on the 2 transmissions