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The DGB S is a standlone vnt turbo controller which directly drives your boost control solenoid. Includes tubing and tee for the brake servo line PLUS a VW N75 boost control solenoid valve.
Please provide make, model & year of your vehicle in the box opposite so we can fit the correct map sensor cable.
WARRANTY ON THE VALVE IS 12MONTHS.
Please note: If you are doing an engine with mechanical injection you will need the Digibooster Full Kit, which also includes the boost control valve and 2bar /30psi boost pressure sensor.
TWIN TURBO ENGINES. If you have a twin turbo engine, you just need to buy the optional BCV TT. We fit a second cable for this, so the one DGBS will control both turbos. If you have a large engine - over 3L & 6cylinders then it maybe be better to fit two turbos in parallel. Large turbos such as fitted to USA trucks usually have either electronic, or hydraulically operated (engine oil pressure) vnt mechanisms. We have no way of testing the DBBS on such as setup, and in any case, it may be easier and simpler to fit two identical turbos. You should find out the firing order and arrange the manifold runners so that each turbo is driven with alternately firing cylinders. EG if the firing order is 143526, cylinders 1,3 and 2 would supply one turbo and 4,5,6 the other, with a pair of simple manifolds.
SWITCH FUNCTIONS:
1 & 2 More vacuum for large or stiff vnt mechanisms, or less for sensitive type or small turbos.
3 ACTIVATES THE ZERO BOOST ON ZERO THROTTLE FEATURE. This cancels the vacuum, releasing the actuator when you lift fully off the gas.
4 ACTIVATES THE 5 STAGE TPS INPUT. This gives 5 small further vane movements as the throttle is opened so you can have some extra boost progressively. The last stage - 3/4 to full throttle is adjustable for boost.
5,6,7,8 SELECTS THE ACTIVE BOOST MAP FROM THE 16 AVAILABLE. There are 16 settings in 4 bands. The band determines the start position for low rpm boost and the setting within each band sets the high rpm boost.
This version is for engines that have electronic injection and where a wastegate turbo is being changed for a vnt type. If the wastegate turbo was ecu controlled there may be a vacuum valve that can be retained to operate the vnt actuator so nothing else will be needed.
Most owners wish to also run a much higher boost pressure and this will cause the ecu to cut the fuel and turn on a warning light so we also can recalibrate the map sensor as our standard digibooster does, to allow more boost without ecu nterventions. NB you should fit a boost gauge since the map sensor data via the obd port will not reflect the true boost if the limiter is switched on.
IMPORTANT: We need to know which make, model, year, engine cc and bhp you are fitting the DGBS to so we can fit the correct map sensor cable.
Demo of the DGBS controlling a vacuum actuator with a vacuum pump providing the vacuum via a boost control valve. Both the Vauxhall/Fiat and VW N75 valves are suitable and work the same.
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DPF PROBLEMS?
Did you know that a clogged DPF can be cleaned for ~£100.
The DPF uses a catalyst and these can be cleaned of soot and ash to restore close to new performance. Chemicals are injected directly into the DFP - none are added to the fuel, oil, or intake.
Visit the DPF-Doctor to find your nearest agent.
They'll do a diagnostic test to check for any possible other faults and then report on the % clogging and ash levels before and after the cleaning.
