However, the transmission has been upgraded over the 2011 version with revised gear ratios. (motorbeam.com)
The updated gearbox with variable torque management and revised gear ratios contributes as well. (topspeed.com)
The Evoluzione Package that we told you about in December increases horsepower and revises the gear ratios of the 599XX in search of a quicker Nurburgring lap time. (automobilemag.com)