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The Apex Files

Spring Rates Part 2: Suspension Frequencies

Spring Rates Part 2: Suspension Frequencies

August 05, 2020

In part 1 of our series on springs, we learned how to use motion ratios to calculate the stiffness of our springs at the wheels. Figuring out the wheel rates of your existing suspension is helpful, but actually choosing spring rates for a new suspension can be complicated.
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Spring Rates Part 1: The Motion Ratio

Spring Rates Part 1: The Motion Ratio

February 19, 2020

Vehicles with different suspension layouts can make it difficult to compare settings between cars. A spring rated at 8 kg/mm on a Honda S2000 will not act the same as it would on a Subaru BRZ. In fact, an 8 kg/mm spring on the front suspension of a Subaru BRZ will work differently than it would on the rear suspension.
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Dampers, Part 2

Dampers, Part 2

February 19, 2020

Previously on The Apex Files, we talked about the function of dampers as well as the definitions of shocks, struts, and coilovers. This time, we’re going to over the differences between monotube and twintube dampers. We’ll also discuss inverted dampers, piggyback canisters, and remote reservoirs.
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Racecomp News

Covid-19 Update

Covid-19 Update

August 04, 2020

One of the most common questions we get these days is, "Are you open?" YES, we are open and doing business. Our warehouses are shipping, our customer service representatives are working, and our R&D department is hard at work on tomorrow's performance Subaru suspension parts.