’12 Challenger SRT8 Gets Adaptive Damping Suspension

Already announced for the 2012 Charger SRT8 and the Chrysler 300 SRT-8, news now comes via the folks at duPont Registry, that the high end Dodge Challenger SRT8 392 will also use adaptive damping suspension technology next year.

The two-mode system (Sport and Auto) senses a number of vehicle inputs, including vehicle speed, steering angle, brake torque, throttle position and lateral acceleration to tune the suspension’s response characteristics.

Technology sharing will be easier with Gilles' new role as head of the SRT division.

Damping rates are significantly different between the two modes, with minimal changes in ride harshness as well.

Use of the Sport mode may also improve the Challenger’s ability to keep the rear wheels on the road during hard launches, something that is often found challenging when dealing with independent rear suspension cars.

The technology behind the adaptive system was not revealed. Both Cadillac and the Chevrolet Corvette use a “ferrofliud,” whose thickness or viscosity can be changed by altering a magnetic field applied to it. Ride conditions are monitored continually when the vehicle is in operation and damper performance typically adjusted a hundred times per second.  Other approaches are possible, though.

In addition, the SRT-8 Challenger’s fully hydraulic steering system is also likely to be improved with a new, heavy-duty pump and revised gearing to give drivers more direct feel and on-center response.

About the author

Don Roy

Don's background includes 14 years in the OEM and Tier2 domestic auto industry, as well as three years as Technical Editor of a muscle car enthusiast print magazine. He is a mechanical engineer by trade and completed his first project car when he was 16 years old - after rebuilding the engine in his bedroom. His hobbies include photography, film making and building the odd robot from time to time.
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