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AC STAG Diesel - LPG Conversion Kit
  • AC STAG Diesel - LPG Conversion Kit
AC Stag

AC STAG Diesel - LPG Conversion Kit

AC Stag

Key Features:
  • Engine type: Diesel
  • Max cylinder no.: 16
  • Gas fuel type: LPG & CNG
  • Engine-safe
  • ECU warranty: 2 years
Delivery within 7-12 working days
In Stock

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Product Description

STAG Diesel is an alternative fuel system for Diesel engines which feature 2 to 16 cylinders. The whole fuel gas system is based on technical solutions for supplying fuel with air, which are mixed in the cylinders with Diesel fuel. STAG Diesel supports switching to the Diesel fuel supply, since the solution does not modify the engine internals.


Features  Benefits  
Innovative Boost the ecology and efficiency of Diesel engine performance
Supports O2, knock and temp sensors Engine-safe
One for all Supports all Diesel engine types
Increased engine output Improved Diesel fuel combustion with LPG
Increased Diesel fuel combustion efficiency The LPG injection promotes better combustion of Diesel fuel


Application features

  •  Supports Diesel engines with up to 8 cylinders in the sequential mode
  •  Supports Diesel engines with up to 16 cylinders in the non-sequential mode
  •  Supports additional LPG&CNG injection
  •  Advanced sequential fuel gas injection algorithm
  •  Accurate gas dosing based on current engine fuel demand
  •  Exhaust gas temperature monitoring for engine safety
  •  Supports broadband O2 sensor reading: the fuel mix is monitored with an independent broadband O2 sensor, dedicated for Diesel engines (optionally available for Diesel engines without O2 sensors)
  •  Supports cruise-control enabled vehicles
  •  Full common rail engine output retained after the conversion
  •  Auto-calibration system

Competitive edge:
1.    support for sequential gas injection,
2.    modifications of gas injection sequence,
3.    measurement and control of the amount of injected Diesel in vehicles with common rail engines,
4.    collection of data from a wide-range oxygen sensor installed in the car by the manufacturer,
5.    control of air-to-fuel rate by an independent wide-band oxygen sensor,
6.    ability to maintain power after conversion in vehicles with common rail engines,
7.    providing fuel cost savings even under maximum engine load,
8.    auto-calibration system,

Advantages and benefits for drivers:
•    no impact on engine operation with active post-injection,
•    smooth switching of the system to on and off,
•    savings within the entire engine load range,
•    protection of engine components,
•    increased efficiency of Diesel combustion,
•    increased engine power.


Increased engine power
Dual-fuel systems in LPG/CNG/Diesel configuration make it possible to use the energy in Diesel that has not been used before. When autogas installation is properly installed and tuned it is possible to gain a significant increase in power and torque within 10% to 30% in power, while reducing operating costs and improving engine performance.
The system operation principle is based on a very simple mechanism. In mechanical-injection Diesel engines, gas is injected into the intake manifold, thus causing improved Diesel combustion and additional gas combustion, which increases engine power. To maintain the same driving conditions it is only necessary to press the accelerator pedal less intensively, thus saving Diesel fuel, so called saving through adding. The driver has a choice of driving smoothly and enjoying fuel savings, or taking advantage of the increased power of the vehicle, thus  deriving measurable benefits. In common rail engines the operating mechanism is identical, but it is possible to restrict the power of the vehicle by emulation of "CR" sensor signals (common rail high pressure sensor). A vehicle ECU identifies the proper Diesel fuel pressure, while the actual pressure value is lower. This option allows similar vehicle parameters (power, torque) as those on Diesel fuel to be maintained, while obtaining significant Diesel fuel savings.

Technical Details