Thornton chip tuning reviews full#
If you look at the rolling road printout to the right (click it to see the full PDF) you'll see the improvement to the torque curve across the entire rev range which really has to be driven to be appreciated. For holiday drives and long journeys we'll switch it to program 1 and get the benefit of the economy. For our daily commute we'll opt for program 4 which gives a really good mix of power and economy. We haven't tried out all of the options yet, there are 7 to choose from and we really like the performance one. Obviously if you drive it hard your economy will drop but your smiles per gallon will increase! We may sound a little crazy here but even at the max the fuel economy still seemed to be slightly better than what we are used to, probably because you needed less throttle to make the same progress. The boost seemed to come in a lot sooner and more smoothly and it felt like we were driving on a wave of Torque.
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The car felt totally different, and literally pulled like a train. The next job was to try out the maximum performance setting, where everything is turned up to a safe maximum. TDI tuning state up to 20% more fuel economy. The dash MPG indicated did seem to show about 15% improvement over what we were used to on similar parts of the road. We can't really comment on the fuel economy as we would prefer to take a week’s driving to compare and we haven't had the opportunity yet. The car pulled noticeably better and felt much nicer to drive. We took it out on the economy setting (1) at first with TDI-Tuning’s permission. Within about 20 minutes we had the tuning box installed and ready to go. The instructions for fitting provided were very comprehensive and easy to follow. We were impressed by the professionalism of TDI Tuning who are a manufacturer and seller of state of the art tuning systems who do their own research and development - you can ask for specific maps, for example if you were towing or had other unusual requirements. We should stress that these are 7 separate programs, not just tweaks up and down from a standard program. We also wanted an economy option and sports option and with the 7 programs stored in the TDI Tuning ECU we had plenty to choose from. We didn't want to chase a large peak power figure and were looking for more power and torque across the entire rev range. We chose TDI Tuning after a conversation with their tuning team about the complexities of the A6 engine and what they offer which perfectly matched our requirements. This car is a bit of a challenge to a tuner as it combines traditional analogue sensors with modern digital sensors. On to the car, and we have our Audi A6 Allroad, a good solid car for tuning. The faster the tuning box can process the data the smoother and better the engine will perform, a modern piggyback ECU or tuning box can do this more quickly and efficiently than a cars standard ECU.Īs the engine speed and fuel pressure alters, a smart tuning box reads the live data from the engine to provide instant changes and then feed data back to the ECU based on it’s calculations for the ECU to dish out the commands and settings needed by the driver. It then alters the output commands that would come from the ECU and takes over controlling the various engine components to give more power. This suggests that each engine has great untapped potential if the parameters could be set for high quality fuel and tweaked to provide the optimum power delivery.Ī tuning box sits between the engine sensors and the ECU and takes the readings provided by the sensors and manipulates these before they go to the ECU. However, car ECU's are designed to work across multiple markets with various grades of fuel and different operating conditions so they opt for a safe tune that will work ok and will meet even the most stringent emissions regulations.
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The ECU does a good job at combining all of these data points and making useful decisions to keep your engine running smoothly and efficiently. It takes readings from sensors around the engine that tell it the engine speed, engine temperature, air intake temperature, boost pressure, fuel pressure, the amount of oxygen in the exhaust (which indicates a clean or dirty burn and more.) The ECU controls the essential aspects of the engine, controlling fuel, ignition timing and turbo boost. There are tuning boxes in name only, and tuning boxes in deed, this thankfully is the latter!