What is Critical Damping of Shock Absorbers?

Subaru Impreza (GD) 2.5 WRX and ’04 Sti AST 4150 suspension system A 531 002

guest post by Brian Hanchey, Hanchey Vehicle Technology © 2012 HVT USA Introduction This write up shows how an adjustable shock can achieve 0.5 to 1.2+ critical damping ratios with a turn of a rebound knob. The other day I was experimenting with the Evo’s spring rates and setups. While I had the fronts off, [...]

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Set-Up F355 Challenge for Racing

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(Conversation with Peter from Australia) By Rob Schermerhorn   The Inquiry Hi Rob, Since everyone is giving you such a good rap, I was wondering if you have basic setup information for a 355CH. No one in Australia knows a damn thing about them, and I'd LOVE to have a basic starting point for spring [...]

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Ferrari F40 Track Preparation and Modifiction

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Ferrari's 40 year tribute to the company's founder is my personal favorite. While the F50 may certainly be easier to drive, with superior cockpit ergonomics and wide, flat naturally aspirated torque curve, the F40 rewards the steady and practiced driver. F40's do not simply submit to any driver; drive without respect, and it will bite. [...]

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Why should I invest in high-performance shocks?

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"Why in the world would I invest $3,000 or more on one set of shock absorbers for my car? If I can get ______ shocks, which are marketed as performance shocks, for $100 each, what's the difference?" Of course, the real answer is not so simple; its foundation is in market factors, which drive engineering [...]

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Chassis Tuning Ferraris for the Racetrack

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By Rob Schermerhorn This is but a very brief introduction and limited advice to a very complex subject. Disclaimer: The following information is used at your own risk, for off-road use only! Please follow manufacturer specifications for tire pressures and wheel alignment. On to the recommendations: Tires have the greatest influence on the dynamics of [...]

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