HGV & Truck Tuning Services In Portsmouth & Hampshire


Mapro Developments Ltd is based in Portsmouth & Hampshire offering Professional Ecu remapping services and performance tuning we have full in House Dyno Facilities and also a Mobile Service.

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MAPRO TRUCK/HGV REMAPPING SERVICE in Porstmouth


Here at Mapro we aim when creating our HGV, Truck and commercial turbo diesel engine performance upgrades is to gain the perfect increased power curve and fuel economy improvements yet retain all the safety parameters originally programmed into the engine management by the manufacturer so as to protect your engine and drivetrain from damage.


We take an individual approach to our client’s needs, and we offer many performance services for the best commercial trucks and tractors. While most custom shops prefer to work on autos, we know that larger vehicles can get a lot out of tuning. Economy Remapping the engine ECU of your truck, bus or HGV will not only improve the economy, torque & MPG but will also increase the power, torque, MPG and drivability of your vehicle. The ECU remap we create can be tuned for optimum performance, for more low-down torque/power or quite simply, better fuel economy.


HGV Tuning is only offered as a mobile service due to the size of the vehicles they will not fit inside our unit, during a mobile appointment please be present with the vehicle to assist with Cab operation and lifting as many HGVs are modified.

Please note although all vehicles are listed we reserve the right to decline tuning certain models , for example we do not tune the early VAG 1.8T, Subarus or Evos - please contact us to confirm.

Benefits to tuning your HGV

  • More Horsepower
  • More Torque
  • Improved throttle response
  • Improved engine tractability
  • Improved fuel consumption


Certain Models require direct access to the vehicles ECU so please advise us if the Cab movement is free and operating correctly.

Common HGV / Truck ECU Remapping Gains

Utilising our HGV ECU Truck Remapping service we can remap nearly all later model HGV’s including Scania, Man, DAF, Renault, Volvo, Iveco & Mercedes. View the examples before to understand the gains you can expect:


  • DAF 94D/94D/220: 25% BHP Gain
  • DAF CF/CF65/220 PACCAR 6.7L: 15% BHP Gain
  • DAF LF/LF45/140 PACCAR 4.5L: 19% BHP Gain
  • DAF XF/XF95/530: 15% BHP Gain
  • Iveco Eurocargo E13 4.0 (Euro 3): 23% TORQUE Gain
  • MAN TGA /TGA 26.330/280: 18% TORQUE Gain
  • Mercedes Atego 4.25 R4/122: 21% TORQUE Gain
  • Renault Kerax/370/DXi11: 19% TORQUE Gain
  • Scania G Series/G 230: 17% TORQUE Gain

Locations we cover for mobile hgb & truck remapping:

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