Atmospheric Dump Valve Twin Piston Adjustable

Atmospheric Dump Valve Twin Piston Adjustable

Regular price
£104.00
Sale price
£104.00
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Dump valves are designed to vent unused pressure to atmosphere when the throttle has been released. When accelerating the turbo charger produces positive pressure which is used to supply the engine with large amounts of compressed air. When you lift the accelerator the throttle butterfly is closed and the boost has no escape route so it backs up through the intercooler and causes back pressure that tries to prevent the turbo from spinning, this is known as compressor stall - often mistakenly referred to as 'wastegate chatter'

Lancia Delta integrale and Evolution.