![]() The entrance of the CAN interface was a huge obstacle to overcome when introducing LS2-edit. The ECM and TCM parameters are both 'Edit-able. The good news is that LS2-edit covers both. The LS2 arrived with a split powertrain controller running on a new CAN interface an engine control module (ECM) and a separate transmission control module (TCM) communicating across the General's new controller area network (CAN). The flashing process has evolved into a seriously robust and safe process, practically eliminating the infuriating side effect of any mishaps during the flash process that, historically, could result in frying your PCM into a doorstop Ken tells us no ECMs have been "fried" with LS2-edit. The flasher-to-computer interface is now super-fast USB-based, rather than the old and slower serial connection. Several notable improvements have arrived with LS2-edit. Emphasis is on function and capabilities, rather than fancy colors and loads of graphics. LS2-edit, or 'Edit for short, is based on the same familiar LS1-edit architecture. Since then, Ken and Dave have consistently been the first to market with subsequent packages covering all Gen III/Gen IV powertrain offerings, from 1997 through 2006. Carputing responded with the first flash tuner available to the masses for reprogramming the LS1 PCM. It didn't take long for the word to spread about LT1-edit and with that came the demands for a similar LS1-based tuner package. The duo, armed with a combined 56 years of professional electronics and computer experience, quickly realized they could "build a better mousetrap." The mystique of flash-memory type PCMs was still cloudy at the time. Ken, a 28-year veteran of cellular research at Bell Labs, was dropping an LT1 powertrain into a 1948 Ford roadster and Dave was installing an LT1 in his 1934 Ford roadster. Carputing got its start back in 1999, when principals Ken and Dave met each other through a chance virtual dialog jawing about LT1 transplants on an Internet message board. We found it most appropriate for the next step in our continuing GMHTP flash tuner series to test Carputing's latest offering, LS2-edit. Carputing partners, Ken Kelly and Dave Hempstead, have been two of the pioneering forces that have consistently led the pack along the way. After the evaporation of ECM "chips" from the OEs' offerings around 1993, it took a solid 10 years or so for the PCM re-flashing business to evolve into the reliable and fairly optioned market it is today. in the ecm, then you might be better off just paying someone to do this stuff.Flash tuners are all the rage now. 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. 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. ![]()
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