You can program the Insight to adjust any of the parameters of your vehicle, including but not limited to speed calibrations and rev limiters for your transmission. It is also a plug-and-play, but it comes with a 5” high-resolution touch screen that helps you monitor your truck’s performance in real time. The Edge Insight CTS3 is the first of the two more tech-savvy tuners on our list. If you want the extra capabilities that the Evolution offers, you have to deal with the problems they cause, too. There are many complaints that the screen freezes and many customers aren’t convinced it does that much to improve your MPGs. While you can still cater the programmer to your own needs, just like in the Insight – like programming service and maintenance reminders – we think there is too much going on in this model. When designing the Evolution, Edge took everything that was great about the Insight and ran with it. With the Edge Evolution CTS2 Tuner, you will always know what is going on with your truck. You can even manage your fuel pressure and your torque with this programmer. The Evolution takes the Insight a step further, with additional tunes for shifting firmness and shift points for a smoother ride. The Evolution has extra tuners for optimizing your output – whether you are driving or towing or you want to increase your fuel economy. It still promises to boost your torque and increase your horsepower (up to 180HP and 440 ft-lb TQ for this model, depending on the diesel engine). In a slight upgrade on the Insight, the Edge Evolution CTS2 Tuner has all of the features with a few bonuses. Whether you want to get better fuel mileage or you’re looking to optimize your engine performance, there is a tuner that is perfect for your needs.

We’ve reviewed the best tuners for the LB7 Duramax engine.

The tuner helps monitor the conditions of your engine, so you can address any issues before they turn into big problems. Tuners read the sensors in your engine, making sure it is operating at its best. This can eliminate a pricey trip to the shop for a relatively simple fix you can remedy in your garage. Based on what the code says – and your mechanical abilities – you can either fix the problem yourself (and erase the code) or bring your truck to the shop. Many tuners will alert you if there is a problem with your truck. Your tuner will override factory torque settings so that you can get more power out of your engine when you need it. If you are consistently towing heavy loads, then getting more torque out of your engine is a must-have. You can program your tuner to monitor your RPMs to get the most out of your fuel mileage. If you are shopping around for a tuner, chances are you are looking to improve your truck’s fuel mileage. Benefits of Installing a Top of the Line Tunerīelow are the main benefits of investing in one of these tuners: Better Fuel Mileage You can set your tuner to increase your torque when you are towing so that your engine works at its peak performance. These tuners have many more features, such as code readers, LED displays, customized engine monitoring, and driving advice to boost your MPGs. If you are driving long distances for work – or doing a lot of towing – then a more sophisticated model might suit you better. If you aren’t doing much towing and you just want to save a little money at the pump by increasing your MPGs, then these models will suit you just fine. Some tuners have minimal features, such as increasing your torque, your horsepower, and your fuel mileage. Each model varies in what it can do, so you should choose the one that has the abilities that are right for you. You can program them to monitor the fuel, output, and timing parameters of your engine, but not all tuners are the same. Tuners are great tools for getting the most out of your Duramax LB7. The tuners in this review will only cover 6.6L Duramax LB7 engines found in: In 2004, GM replaced the 6.6L Duramax LB7 with the Duramax LLY to comply with emissions standards. Aluminum heads are now used in several other engines because they are lighter and just as durable. The change from cast-iron to aluminum didn’t affect the engine’s performance.

The engine employed aluminum heads, shocking most buyers. It would take GM’s competitors Dodge and Ford several years to catch up with the release of their own common-rail injection systems.Īvailable in the heavy-duty GMC Sierra and Chevrolet Silverado and the medium-duty GMC TopKick and Chevrolet Kodiak, the LB7 Duramax was wildly popular, winning “best engine” awards.

This improvement decreased emissions, and it improved the engine’s overall performance. The Duramax was a much-needed update: it introduced the new common-rail direct fuel injection system. In 2001, General Motors discontinued their 6.5L Detroit engine, replacing it with the 6.6L LB7 Duramax engine.

Lb7 duramax tuner