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L AMBORGHINI HURACÁN GT3 EVO | USER MANUAL
REAR CORNERS
REAR RIDE HEIGHT
Distance from ground to a reference point on the rear of the chassis. Increasing rear ride height will decrease rear downforce
as well as increase overall downforce and will allow for more weight transfer across the rear axle when cornering. Conversely,
reducing ride height will increase rear downforce percentage but reduce overall downforce while reducing the weight transfer
across the rear axle. Rear ride height is a critical tuning component for both mechanical and aerodynamic balance considerations
and static rear ride heights should be considered and matched to the chosen rear corner springs for optimal performance.
Minimum legal rear ride height is 50.0 mm while maximum legal rear ride height is 90.0 mm.
SPRING SELECTED/SPRING RATE
Similar to at the front axle, stiffer springs will result in a smaller variance in ride height between high and low load cases and will
produce superior aerodynamic performance through improved platform control at the expense of mechanical grip. This can be
particularly prominent when exiting slow speed corners with aggressive throttle application. Stiffer springs will tend to react
poorly during these instances especially so on rough tracks which will result in significant traction loss. Spring stiffness should
be matched to the needs of the racetrack and set such that the handling balance is consistent between high and low speed
cornering. As an example case, a car which suffers from high speed understeer but low speed oversteer could benefit from an
increase in rear spring stiffness. This will allow for a lower static rear height which will reduce rear weight transfer during slow
speed cornering while maintaining or even increasing the rear ride height in high speed cornering to shift the aerodynamic balance
forwards and reduce understeer. 6 options for spring rate are available ranging from 190 N/mm (1086 lbs/in) to 310 N/mm
(1771 lbs/in). The first portion of the range from 190 N/mm (1086 lbs/in) to 250 N/mm (1429 lbs/in) is in 30 N/mm (172
lbs/in) steps for coarse adjustment while the next 2 rates are stepped in 15 N/mm (86 lbs/in) steps for fine adjustment. Spring
perch offsets must be adjusted to return the car to the prior static ride heights after any spring rate change.
COMPRESSION DAMPING
The compression damping setting is a paired adjustment controlling both the low and high speed damping characteristics of the
damper with identical ranges to those of the front dampers. Increasing the compression damping will result in a faster transfer of
weight to this corner of the car during transient movements such as accelerating and direction change with increased damping
usually providing an increase in response but a reduction in overall grip especially at corner exit traction in the context of rear
dampers. Excessively stiff compression damping can cause very poor traction on rough tracks as it can result in large tire load
variation and a reduction in overall grip.
LAMBORGHINI HURACÁN GT3 EVO | ADVANCED SETUP OPTIONS | CHASSIS
