Take Charge - Engine Supercharging
On full-race or high-boost superchargers (11-plus psi) a cog belt is used for greater strength. These belts are noisier than serpentine belts and install differently. With a cog belt, the installed tension is significantly less than a serpentine belt drive. Incorrectly overtightening a cog belt can raise the belt temperature, causing the belt to get tighter and potentially break the mounting points.
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