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ACURA ARX-06 GTP // USER MANUAL
Chassis
FRONT
HEAVE SPRING
The Heave Spring is a suspension element that handles loads when the chassis moves in a purely vertical direction and does not
experience loads generated from chassis roll. The front Heave Spring will influence the chassis’ handling balance during braking
and over bumps, but is primarily intended to control increasing aerodynamic loads with higher speeds. Stiffer Heave Spring rates
will stiffen the suspension in vertical travel and result in a more consistent aerodynamic platform but can reduce mechanical
grip over rough surfaces. Softer Heave Springs will increase mechanical grip but could allow too much movement to keep the
aerodynamic behavior consistent.
HEAVE PERCH OFFSET
The Heave Perch Offset is a way to preload the Heave Spring element, allowing front ride height changes without inducing
any asymmetric loading to the suspension. Decreasing the value will preload the Heave spring and raise the front ride heights,
increasing the value will unload the spring and lower the front ride heights.
HEAVE SPRING DEFL
The Heave Spring Deflection is how much the Heave Spring has compressed from its free (unloaded) length. This is not
directly adjustable, but is altered as a result of other front suspension adjustments, especially the Heave Perch Offset
setting. Higher deflection indicates the spring is under higher pre-load, lower deflection indicates a more relaxed spring.
HEAVE DAMPER DEFL
The Heave Damper Deflection is an indicator of how much travel is available in the Heave element before bottoming out.
This value doesn’t represent any loading in the suspension, only the Heave Damper’s position.
ARB SIZE
The Anti-Roll Bar (ARB) is a spring device in the front suspension that counteracts roll movement but not vertical loading.
Changing the ARB diameter will alter the front suspension’s roll stiffness and handling balance: Stiffer ARB settings will
increase front roll stiffness and induce understeer, softer ARB settings will reduce stiffness and reduce understeer.
Disconnecting the bar will remove the ARB from the suspension entirely and can greatly reduce mechanical understeer,
however this reduction in roll stiffness can hurt aerodynamic performance in high-speed corners.
ACURA ARX-06 GTP // CHASSIS
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