Didn't mean to ghost my own thread lol, was expecting a popup to appear in email when I got a response. Though I may have to check the email I've got on my accout...
I didn't know that the LT1 in timing for talking to the ECM, that's odd that they'd be set up like that. I'm using $EE-16188051-Y-body-V3.8.adx as my TunerPro adx file - how much different is $EE hack from TunerPro? I'm assuming it will work the the same OBD cable I've been using, but does it require something specific be installed to have $EE hack talk to the cable?