Boost Curves-Positive Displacement Vs. Centrifugal TurbineFor a 10-psi boost requirement, these curves show the difference in how the boost comes on between the two fundamentally different types of superchargers. Although there are a lot of reasons for choosing one type over another, the basic difference comes down to the shape of the power curve. Essentially, a positive-displacement supercharger produces more low-speed boost, where a turbine one can develop more high-speed boost. View Related Article
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