Free LS1 Tuning Software (all you need is TunerPro)

[sj010489]

Yes that is correct, you'll have to tune the pcm

Thanks for the help.

Would I be able to save my .bin file and revert back to the 9381344 OS and the "safe tune" if I needed?[/QUOTE]

Yes, you can save your .bin file and back it up if you need to go back to that OS