Description
Motorsport Adjustable Dump Valve, Single Recirculating Piston (Silver)
Standard Range :- 0.5-1.2 Bar
Uprated Spring Range:- 1.3-3.0 Bar (Supplied in the box)
Available in Red,Black,Blue & Silver
Size Range:- 20,25,34mm
Dump valves are designed to vent unused pressure to atmosphere when thethrottle has been released. When accelerating the turbo charger producespositive pressure which is used to supply the engine with large amountsof compressed air. When you lift the accelerator the throttle butterflyis closed and the boost has no escape route, so it backs up through theintercooler and causes back pressure that tries to prevent the turbofrom spinning, this is known as compression stall.
By fitting a dump valve every time you release the throttle the excessboost pressure will be released which means a significant reduction inturbo ‘lag’, contributing towards faster pick up between gear changes.In extreme cases on cars with high revving engines or largeturbochargers the shaft within the turbo has been known to snap when noform of dump valve has been used.
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