THE DIGIBOOSTER S MAKES IT EASY TO UPGRADE YOUR TURBO TO A VGT/VNT TYPE.

FAR SUPERIOR RESULTS THAN TRYING TO USE A PRESSURE ACTUATOR FROM A WASTEGATE TURBO.

Digibooster-s vnt turbo controller from tuning-diesels Click image for larger view

 

 

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DIGIBOOSTER -S  STANDALONE VNT/VGT TURBO CONTROLLER   v3 from May '18

 

****  OUR NEW 1-3BAR ADJUSTABLE MAF SENSOR IS NOW AVAILABLE ****

 

A short video demo of the DGB-S is here:  DGB-S DEMO

 

The noise in the background is our mains powered vacuum pump and the map sensor signal is simulated over its usual range with a varying dc signal.  The actuator (from a 206hdi) used was the usual ebay mis described item: 'perfect working order' , it wasn't - it does not move smoothly over the whole range which is probably why it was replaced. So the jerkiness over 1/2" travel is due to this. The boost control valve is a standard Vauxhall vacuum type found on the cars with a vnt turbo.

 

Feedback from an Ebay buyer 8-12-17

 

Ron,
My Digibooster works excellent , much better than OE ecu boost map was designed which was too restrictive on the turbine so it did made nice boost but at the same time restricting exhaust flow creating high backpressure - killing the engine. All this went away with Digibooster it is apsolutely amazing. There's just one thing that You should provide for VAG application. Because ECU detects disconected N75 valve, it will trigger limp mode, so some kind of resistor has to be pluged in original N75 wiring. This has to be done only if engine is runnig on ECU , if converted to m-Tdi it doesn't matter. Anyway Digibooster is a MUST if upgrading turbo or nozzles. Thanks again. Cheers! Ivan

 

FEEDBACK ON A CORSA 1.3 WITH THE VNT TURBO FROM AN ASTRA 1.3, [WITH OUR SYNERGY 1 FITTED AS WELL]

"Hi Ron, I've got the Digibooster on 6 (med/high) and the tuning box on 10, its holding 20-22psi and its still pulling like a train at 4k. I'm really please it goes like a rocket, its hard to believe its only 1258cc. .....I'm really impressed..." Thanks V, its good when things go according to plan! Ron

UPDATE 28-2-16:

..going very well, and on hi/very high (settiing B = 11) it hits 30psi, but likes med/very high (setting 7) best when it reaches 25psi. Tuning box (Synergy 1)  is on 10, its great fun to drive. NB we now do a Digibooster-s with a built in Synergy 1 tuning box for £199. Ron

LANDROVER TD5: "I finally got time to install the unit today and so far so good.  Settled on B for now and need to go on a longer run with longer hills etc but I am very happy so far!" Many thanks for the repeat order. Other customer have bought more units for their friends and customers vehicles thus proving that it does what we claim... Ron.

CORSA 1.7 DTI

"It's amazing how it works fine to correctly position the internal flaps, and how it keeps the set pressure constant, even better than the factory control unit. Excellent product I find indispensable in any kind of application. Congratulations on how Ron was good at understanding what I needed and how much patience and courtesy helped me solve."

 

SOME RECENT EBAY FEEDBACK

Great product works a charm on my mk4 golf thanks.

Great seller, great product

The Digibooster S is working brilliantly (td5)

Great product no issues

Good product

 

FEATURES  

  1. EASY TO FIT
  2. TPS, MAF, MAP SENSOR AND FUEL RAIL LOAD SENSING INPUTS
  3. OUTPUT DRIVES COMMONLY USED BOOST CONTROL SOLENOID VALVES DIRECTLY
  4. INTELLIGENT PROGRESSIVE CONTROL - DOES NOT OPERATE IN AN ALL OR NOTHING MANNER
  5. 16 SETTINGS + FINE BOOST ADJUSTMENT (depending on vehicle)
  6. SWITCHABLE  MAP SIGNAL LIMITER - stops the ecu from cutting the fuel at higher than normal boost pressure when used with electronic injection.
  7. SWITCHABLE ZERO LOAD VANE POSITION
  8. VARIABLE BOOST ADJUSTMENT ON FULL THROTTLE WITH TPS CONNECTED.
  9. NOW AVAILABLE WITH OUR OWN 1-3BAR REMOTE BOOST PRESSURE SENSOR
  10. OPTIONAL TUNING VERSION TO INCREASE FUELLING ON COMMON RAIL ENGINES using our Synergy 1 fuelling maps.

*** NEW *** From March '18, the tps input now operates over a wider range and can be used to control the vane position depending on pedal position, with optional zero load vacuum cancellation, plus ADJUSTABLE  full throttle boost.

 

OPTIONS & VERSIONS:

  1. AVAILABLE FOR MECHANICALLY INJECTED ENGINES.
  2. AVAILABLE FOR COMMON RAIL ENGINES.
  3. AVAILABLE FOR LANDROVER TD5 - connects to maf and map sensors & has limiters.
  4. OPTIONAL ADJUSTABLE SENSOR FOR 1-3BAR BOOST
  5. OPTIONAL 30PSI 2BAR SENSOR
  6. OPTIONAL PIERBURGH BOOST CONTROL VALVE

INTRODUCTION:

An increasingly popular turbo upgrade involves fitting a variable vane (vnt/vgt) turbo to an engine that never had one and therefore has no means of controlling the vane angle. The commonest types use a vacuum operated actuator, where more vacuum is needed to increase the boost at low rpm, and then this is reduced at higher rpm to prevent overboosting. (some work the opposite way but we can cater for the as well, but not for most electric actuators except possibly for some VW 2pin types.)

 

It simply plugs into a standard vacuum boost solenoid valve such as the ones used on Vauxhalls with a vnt turbo, into the existing map sensor and then a fused lead supplies power from the battery. (ideally via an ignition controlled source, eg fuel pump relay) An input is provided for a throttle position sensor signal, or it can be used with a dash switch or connected to the fuel rail sensor on common rail engines, or the maf sensor on some engines (TD5).You will need to tee into the brake servo line to provide the vacuum (tee and tubing included) and you should also fit a boost gauge.

 

MECHANICALLY INJECTED DIESELS:

We now supply a version to control a vnt turbo on a mechanically injected diesel comprising the DGBS and 2.5bar map sensor, plus tee and tubing.

 

MAP / MAF VERSION.

We are now producing a version which uses the maf signal to indicate load so that the vane angle can be backed off at idle and on the over run to reduce back pressure. Its suitable for use with 5pin Bosch/Pierburgh analogue mafs but we need to know the vehicle so the correct connectors are fitted as there as 3 possibilities. (same applies to the map sensor)

 

LANDROVER TD5 VERSION.

This version also connects to the maf and maf sensors,only and also includes limiters for both sensors because the ecu will detect excessively high signal from either and cut the fuel. The maf input could instead be used with the tps or a 2 or 3 way dash switch.

 

COMMON RAIL ENGINE VERSION.

This version combines our common rail tuning technology with the DGB-S. By monitoring the fuel pressure, it will enable boost adjustment, altering the vane angle as appropriate. EG allowing more boost for max fuel pressure and backing off the vanes at idle and on the overrun to reduce exhaust back pressure.

The tuning section will also (extra cost option) provide the additional fuel needed to boost the performance using the extra air from the new turbo. It will also avoid the need to have a remap or separate tuning box, thus being a very cost effective solution.

 

SWITCH FUNCTIONS:

1 = MAP LIMITER 4.1V OR 3.8V (where applicable)*

2 = MAP LIMITER ON/OFF (where applicable)*

3 = TPS ZERO THROTTLE BACKPRESSURE REDUCTION

4 = TPS ENABLED, 5stages, last stage (max throttle) is adjustable

5,6,7,8  SELECTS THE ACTIVE BOOST MAP FROM THE 16 AVAILABLE.

 

MAP SIGNAL LIMITER. (SWITCHES 1 & 2) not applicable to mechanically injected engines.

Most owners wish to also run a higher boost pressure and this will cause the ecu to cut the fuel and turn on a warning light so we also recalibrate the map sensor as our standard digibooster does, to allow more boost without ecu nterventions. The limiter has 2 thresholds set by switch 1. 4.1v and 3.8v 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.

 

TPS INPUT. (SWITCH 4)This now provides multi stage control of the vanes directly ie in relation to real time movement of the accelerator. The last stage is now adjustable (on the v3 from May '18) Switch 3 is for cancelling most of the vane movement when the pedal is up if back pressure is an issue.

 

IT'S EASY TO FIT. TEES AND TUBING NOW INCLUDED.

 

PLEASE BUY FROM  OUR NEW STORE

 

ALSO AVAILABLE FROM THE STORE: Pierburgh VW N75 boost control valve & our own reliable 1-3bar adjustable remote pressure sensor.

 

Don't forget to let us know the engine/vehicle details, map sensor type, and desired boost pressure.  You need to monitor the boost with a gauge.

Digibooster-s from tuning-diesels Click image for larger view

 

 

HIGH QUALITY CONSTRUCTION & NEW PCB FOR THE V2 MODEL SHOWN OPPOSITE.

 

It wasn't commercially viable to design & manufacture a dedicated unit initially, so we based it on our well proven and reliable Synergy 2, two channel digital technology with modifications to drive the bcv, and 16 instead of 10 settings.

However, due to the success of the DGBS, we designed a brand new pcb, with new housing and more controls which launched as the V2 model at the end of October 2016 at the same affordable prices.

 

The unit operates in a progressive manner, rather than like a switch or pressure operated mechanical bcv or wastegate and the tps input allows the boost to be overriden - low when the pedal is up, medium on part throttle and max from 3/4 to full throttle.  Alteratively you can use the maf or the fuel rail pressure signals to provide the additional controls. The fuel rail version can optionally be programmed to increase the fuel pressure to further benefit performance and a more rapid boost build up.

 

 

DISCLAIMER AND ADDENDUM TO OUR TERMS OF BUSINESS  (full version available on our Legal page.)

THE ENTIRE DIGIBOOSTER RANGE ARE EXPERIMENTAL DEVICES SOLD AS IS AND MANUFACTURED TO ORDER FOR YOU USING THE DATA & PARAMETERS SUPPLIED BY YOU AT THE TIME OF ORDERING.

Since we have no control over the modifications, what they involve, and how implemented, we neither guarantee the results nor are liable for any consequences whatsoever whether direct and/or indirect.

By definition, the engine is modified if it is no longer as it left the vehicle manufacturer's factory and any modifications may yield unpredictable or unexpected results.

It is your responsibility to ensure modifications are safe in all respects, and thorough testing & monitoring is conducted in an appropriate location eg a test track.

There is no money back guarantee available as the product is made to order, but we will modify the hardware or firmware in an attempt to have it perform to your expectations, free of charge if the product is returned to us at your expense.

 

DIGIBOOSTER 1 PAGE

TELEPHONE ORDERS:

0845 539 0470

07547 162663

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TUNING-DIESELS

RONIAN LTD,

PENLEA, 150 BARMORE RD,

TARBERT, ARGYLL, PA29 6TW

 

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0845 539 0470

07547 162663

 

sales@tuning-diesels.com

 

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 UPDATED 29-7-18

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