LS ecu just swap tune3/30/2024 ![]() If all you want is the end result, or just want to unlock the VATS system or change the gear ratio, tire size, etc. I think this will be a fun deal once I get a little experience and confidence. But so can many other hot rodding things. Some of this stuff runs into some money in a hurry. There are also books, online courses, and hands on courses that can help you learn, hopefully quicker and more thoroughly. I also have a little engine dyno experience, and all the engine dyno guys I've worked with have allowed me to tune, so I'll be looking for the same thing. Hopefully one who'll let me look over his shoulder when he tunes. ![]() I may have my engine dyno tuned early on, but it will be with a tuner who'll not lock the tune, so that I can make further changes. I've downloaded the HPTuners demo s/w and have been playing with it, becoming familiar and learning. I have an LS3 crate engine and its controller. If you understand engines and using a computer, it makes sense to do it. This is my opinion, I'm sure there will be others.Įcho what 55Moredoor said. If you are really serious about this, you could even look into an online tuning school. I look at it this way: all the self professed gurus on the web had to start somewhere, there was a time when it was so new that nobody knew anything about tuning software, they all started where you are now. Also stay away from other people's shared tunes that promise the moon in improved performance, you really don't know what they contain. The HP Tuners forum is very helpful.Īs far as making changes that will hurt your engine I think that would apply mostly to making changes to things you don't understand. I just bought the software and am having quite a bit of fun learning something new. They have sample vehicle files that you can play with and change, the only thing you can't do is flash an ECM with it. To see how proficient you are with the software, you can actually download their software from their website. These acronyms and more are explained in more detail in our tech help blog posts, found here.It depends entirely on your skill level with a computer and how well you understand how the various sensors and systems of the LS engine work. We offer Locked LS ECU Unlocking or Tunerlock Removal Services, allowing the ECU to be tuned freely afterwards. Occasionally, previous flashing can result in a LOCKED ECU or PCM. Please note, these services should be used in conjunction with either our standalone harnesses found here or our plug and play wiring harnesses found here. These are sometimes referred to as an LS MAFLESS Tune, which allows the engine to run without the MAF (Mass Air Flow) Sensor. Whilst we are completing the VATS delete, we can also flash onto the computer a MAFLESS or Speed Density base tune. An LS VATS Removal, turns off this software, allowing the factory computer to be used without the need for a BCM and Key Reader, both of which are commonly removed in most LS Swap Wiring Kits & LS Standalone Harnesses. If the signal from the factory programmed key, isn’t received, the vehicle will not run for more than one second. VATS, or Vehicle Anti Theft software, is, as the name suggests, GM’s in house anti-theft software. No LS Conversion is complete without a full VATS Delete or VATS Removal. GM Holden Factory Reflashing Services – using HP Tuners, we can reprogram your Factory ECM PCM or TCM.
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