Modern Automotive Performance
Modern Automotive Performance

Coilover Spring Upgrade? Insight from the pro's at Fortune Auto & Swift Springs

Posted on 23 March 2011

Spring Upgrade? Why Swift Springs?
Swift springs of Japan noticed that most spring manufacturers use old silicone chrome material, which is not strong enough for automotive springs. Other manufacturers use a heat tempering method that damaged the strength of the material that inevitably require more coils, in turn, more weight.The material was also suffering from a shortened life span. With springs like this leading the industry, Swift saw massive room for improvement.
Swift's R & D team created material, called H5S.TW, which is stronger then regular silicone chrome material. Because of this material, Swift could make the spring wire thinner, and could wind the springs with fewer coils, which greatly decreased weight while dramatically increasing available stroke.
In the end the choice is simple. Swift offers superior Duarbility, Stroke, Weight Savings and less coils producing less noise and coil binding!

Swift Assist Springs

The best of both worlds: Swift assist springs provide dynamic progressive – linear rate. Assist springs have two functions. The first is the spring adds a progressive rate to the initial portion of the stroke. This progression can add increased comfort is used on a daily driver coilover setup that has stiff springs installed. It provides racers added softer spring rate progression. Once the assist crushes, the normal spring rate will take over. The second job is the same as helper springs. They prevent the loss of traction during rebound, and extreme cornering. Assist springs are designed to repeatedly be fully crushed. Every assist spring crushes to the same height. That allows drivers to change assist springs without resetting the spring perch on coilover without changing ride height. All Fortune Auto coilovers can be upgraded with swift springs & swift assist springs. Contact us today for unbeatable pricing on Fortune Auto and Swift Springs!

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