UNLEASHING YOUR ENGINE'S FULL POTENTIAL
UP TO 30% MORE POWER
UP TO 30% MORE TORQUE
Specialising in most late-model diesel trucks (1998 onwards) such as Renault, Mercedes, Nissan, Isuzu, IVECO, Volvo, Fuso, Scania, International, Hyundai and Kenworth
WE HAVE MASTERED ECU MODIFICATION
Recent decades have seen such tremendous advances in technology which consequently, has seen a complete overhaul of the electronic parts being used in truck manufacture. In a modern truck, an electronic control unit (ECU) coupled with advanced engine technologies has made it possible to achieve complete control over engine’s operation. Processes such as spark timing, fuel injection, poppet valve timing, boost control (for trucks hosting turbocharged engines), electronic throttle control, automatic transmissions and electronic stability control can all be controlled using an ECU.
With the many types of professional tuning options on the market today, the terms Chip Tuning and ECU Tuning have gained quite some significance in the automotive world. Problem is, the tuning procedure being carried out on your truck can take many forms and thus, it is essential to get acquainted with the many forms of tuning there are. First and foremost, Chip Tuning (Piggyback ECUs) and ECU Tuning (Reflashing or Rewriting the factory Tune) are two completely different techniques. The former refers to plugging in a second module that tells the factory ECU to “lift its game”. However, both processes are used to achieve a similar purpose, that of superior engine performance. While the latter is used to describe the process of editing the original fuel maps on the factory ECU and many other parameters to gain the desired performance, usually utilising programming via the standard factory interface, such as the On Board Diagnostics (OBD) Port. Both methods are effective. The advantages of Plug and Plug Performance Modules are they are quick and easy to fit. Rewriting the factory tune is better since many parameters are looked at, modified and tweaked to produce an overall better tune. The only issue with rewriting is that the process normally needs the truck off the road for 24 hrs.
TRUCK TUNING SPECIFICS
As aforementioned, tuning can encompass both Piggy Back Performance Modules and factory ECU Chip Tuning. With chip tuning, new parameters to suit your specific needs are available and items such as DPF and EGR can be disabled. the most common way of editing the factory ECU tune file is through the use of the OBD interface. These are used to plug into the vehicle’s diagnostic port in order to access the ECU.
In some cases reprogramming can be done directly on the circuit board. (For more information see article: ECU performance tuning: Awakening the Beast in Your Car!). Alternatively, if your late-model truck has a Common Rail, and MAP sensors, tuning can also be carried out by adding a tune box (Piggy Back Module). These external devices are set up to modify signals used by the factory ECU to perform calculations and effect the fuel maps. In reality, a new fuel map is programmed in for the engine to use. The Plug and Play style Piggy Back Module has the advantage of easy removal to restore the vehicle to the ECU standard configuration.
AVAILABLE FOR MOST LATE-MODEL (1998 onwards) DIESEL TRUCKS
WHICH TRUCK MODELS RESPOND BEST TO TUNING
Despite the fact that mass production has brought with it a faster production rate of many different truck models, each with varying engine horsepower outputs, many trucks use similar componentry, such as the same engine, diesel pumps, injectors and even the same turbos. Truck companies will often adopt a lower fuel map to reduce the output of the truck despite the truck also being offered with a higher horsepower. (You often see this strategy with outboard motors). The main motivation behind the whole standardisation process is a quest to avoid the added costs of developing a new engine and supplementary bespoke parts but rather adopt a standard set that fits all models in that particular range of trucks. Additionally, such manufacturers want to produce different power versions of the same engine and get lower insurance cover ratings and better fuel consumptions.
You see, the engine of a “less powerful” truck model is essentially similar to that of a “powerful” model by the same manufacturer and yet you would never know that unless you delve deeper into your trucks engine parameters. So is truck tuning a worthwhile venture? Through professional tuning procedures which involve tweaking manufacturer’s engine parameters a higher horsepower output can be achieved. These outputs would match what the manufacturer offers in their standard lineup and many customers consequently are taking advantage of these non-dealer tune ups since we are able to provide these power ups at a price less than what the dealer can provide. In short, most late-model diesel truck (1998 onwards) such as Renault, Mercedes, Nissan, Isuzu, IVECO, Volvo, Fuso, Scania etc can benefit from a tuning procedure.
BENEFITS AND LIMITATIONS OF TRUCK TUNING
A tuning procedure in the form of adjustments to fuel maps and timing results in different tuning of the ECU fuel maps. Trucks with a turbocharger benefit most as gains result from changing both the fuel and turbo pressure maps. For those with trucks that do not have a turbo, very little is to be gained from a remap alone. Fuel economy is achieved through modifications in air to fuel ratios and fuel maps to give you better low down torque and better torque throughout the rev range. This might come as a surprise seeing as there is an increase in performance which should translate into lower fuel consumption.
In reality however, a shift in torque realised from the new tuning parameters allows a driver to drive using higher gears and to get off the throttle quicker when accelerating to the legal speed limits. Consequently fuel consumption is reduce. Also, by setting a higher speed limit (factory set speed limiter), you can gain greater momentum for the next hill, thus saving downshifting. However, truck tuning is a procedure that has also seen poorly tuned trucks gain very little torque and use more fuel if done unprofessionally. An engine that is poorly tuned will create a poorer driving experience. We here at Chip Tuning use proven techniques and are well versed in tuning diesel engines. Our tuners are industry trained specialists with accreditations from Australia and Europe. Trust us with your tuning to achieve the results you want and expect. Contact us today for your requirements and to see if we can help with your particular truck / engine model.
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