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Tag Archives: GFB

What do blow-off valves do, and why do I need one?

What do blow-off valves do, and why do i need one?

A blow-off valve is an air-pressure bypass valve fitted between the turbo compressor and the throttle. This enables it to relieve excess turbo pressure that arises from shutting the throttle rapidly under boost conditions. You may have heard of various terms being used to refer to blow-off valves or BOVs, ranging from compressor bypass valves […]