![]() ![]() The V4/V8 mode can also be disabled completely as well. Optimizing each shift point can definitely improve performance. With the Max Energy Power Programmer, you have the ability to customize the shift points for every gear. Activating at a higher speed would allow for full benefit of the Max Energy 2.0 engine tuning in V4 and V8 mode at those higher speeds where the exhaust sound isn’t as noticeable. The Max Energy allows you to raise or lower the shift points in 100 RPM increments for maximum performance, quicker acceleration, and better 1/4-mile times. Adjusting the minimum speed higher would prevent the V4 mode from activating while the road noise is low and V4 exhaust note is noticeable. The Max Energy allows you to adjust the minimum speed at which the V4 mode activates. These systems have major benefits in fuel economy, but with a sacrifice in drivability when in V4 mode, and during the transition to V8 mode. 56 2nd Momentum Garage 669 subscribers Subscribe 2. We perfected the engine efficiency in V4 mode for both regular and premium octane. 0:00 / 9:36 Hypertech Tune on my LB7 Duramax EP. These systems allow the engine to turn into a fuel sipping 4-cylinder during light load conditions such as steady speed cruising. Any and all tuners leave a footprint within the ECM and GM will spot it from a mile away if you try for any powertrain warranty work. 23064 Views 30 Replies 8 Participants Last post by BIGpupp, Jump to Latest. Secondly ALL tuners will void the warranty. Chrysler & Dodge vehicles use the Multi-Displacement System (MDS) and GM has the Active Fuel Management System (AFM). 01-04.5 LB7 Performance Parts Discussion. It was capable of loading software enhancements directly into a vehicle’s. In 1994, the revolutionary Hypertech Power Programmer was offered. Just know that if you do run into an issue and need support, it will be difficult to find good customer service at Superchips. Since 1985, Hypertech® has continually pushed the envelope of power gains for racing and consumer vehicles with new software applications for throttle bodies, transmissions, and timing. Now My truck wont start at all and when I go to start it the glow plug light also. For improved fuel economy, vehicle manufacturers have developed V4/V8 modes. The Superchips FlashPaq F5 Tuner is a great tuner that is best for monitoring anything and everything that is going on with your truck, even while you are physically driving it. I have an 03 duramax Lb7 and I was going to adjust my tune with the hypertech and when I was doing it the tuner froze and then I pressed Y and it starting doing some kind of tune and not thinking I unplugged it. ![]()
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