So I recently swapped an lq9 into my 2003 flex fuel yukon. Rebuilt stock bottom end, btr stage 3 truck cam, heads milled they told me I was at 11.5 to 1. Trunion upgrade, titanium valve retainers, I port matched and polished the exhaust side of the heads carefully. Pacesetter long tube headers. Stock intake with flex fuel injectors from the 5.3. Electric fan conversion. Built 4l60e. I plan on running 93 octane pump gas or e85 when available. Im trying my best to learn hptuners but I need som assistance if possible. I've got it to a point where it will crank and idle from a cold start but if I touch the gas it will rev and die and will not start back. I will attach my most recent log and tune when I get to my computer! Thanks in advance