I suspect we'll standardize on one OS, or maybe one for manual transmissions and one for automatics. Then we can focus on improving the definition(s) for just that one / those two.

Would they have both drive-by-wire and drive-by-cable? Or would that make the 2 standard OSs into 4 standard OSs?

I'm a newbie to the PCM hacking thing. I have a 91 vette and I want to put an LS engine into it and I know that I will have to tune the PCM. I have downloaded PCM Hammer and used it to read both 896 and 411 PCMs that I purchased. I have looked at the many parameters using Tuner Pro, and that's about...