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    Green Classic & Vintage Spares

    Adjustable Dump Valve Twin Piston Atmospheric (TBV002.34R)

    Adjustable Dump Valve Twin Piston Atmospheric (TBV002.34R)

    £97.40
    £97.40 £97.40
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    TBV002.34R Misc Turbo Dump Valves & Boost Adjusters

    Motorsport Adjustable Dump Valve Twin Piston Atmospheric (Red)
    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 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 compression stall.
    By fitting a dump valve every time you release the throttle the excess boost pressure will be released which means a significant reduction in turbo 'lag', contributing towards faster pick up between gear changes. In extreme cases on cars with high revving engines or large turbochargers the shaft within the turbo has been known to snap when no form of dump valve has been used.
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    Model Compatibility

    Some possible cars that are compatible with the Adjustable Dump Valve Twin Piston Atmospheric (TBV002.34R) and TBV002.34R Misc Turbo Dump Valves & Boost Adjusters are:

    - Austin-Healey 3000 1965-72
    - Aston Martin DB5 1963-65
    - Jaguar E-Type 1961-75
    - Lotus Elan 1962-74
    - MG MGB 1962-80
    - Mini Cooper S 1963-71
    - Morgan Plus 8 1968-2004
    - Triumph Spitfire 1962-80
    - Alfa Romeo Giulia 1962-78
    - Fiat 500 1960-75
    - Lancia Fulvia 1963-76
    - Porsche 911 1963-present
    - Volkswagen Beetle 1961-79
    - BMW 2002 1968-76
    - Mercedes-Benz 300SL 1954-57
    - Audi Quattro 1980-91
    - Ferrari 308 GTB 1975-85
    - Lamborghini Countach 1974-90
    - Maserati Bora 1971-78
    - Renault 5 Turbo 1980-86
    - Citroen DS 1955-75
    - Peugeot 205 GTI 1984-93
    - Volvo P1800 1961-73
    - Saab 900 Turbo 1978-1993

    Part Number

    - OEM part number: TBV002.34R
    - Equivalent: N/A

    Shipping Information

    Standard shipping with tracking via Royal Mail or Evri for heavier parts:
    - £4.99 per order for standard 2-day delivery
    - £5.99 per order for Next Day delivery

    Most orders are shipped the same business day if ordered before 2pm. We ship Monday through Friday.

    If we unexpectedly run out of stock we may have to order your part which can take up to 1 week. We will be in touch in the rare circumstance that there is a delay to your shipment.

    Returns Policy

    We want you to be completely happy with your purchase but please do not hesitate to contact us immediately if you have a problem with your order. Please ensure that you consider all the points described on our profile page accessible by clicking our name above the product title.

    It is especially important that you take due care to ensure that the part you selected is compatible with your car. If in doubt, we'd prefer that you get in touch via our profile page so we can help you.

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