I make 6, 14 and 16 gearbox for new Volvo. If you have maps with hills
i recommend 14 or 16 gear gearbox because of short beggining gears and
6 or 12 gear gearbox for long straigt roads.
Credits for 12 gear gearbox goes to Slash. Others are mine!
Work with 1.7.1
Credits:
Matejz90, Slash