That the hard part. We're all spit balling but many of us in the same circumstance could figure it out just if we were there in person when it pukes and shuts down. Often just by the WAY it shuts down, but over the internet all that nuance is lost.
@DentalDart is pretty sharp tho, so throw enough stuff at him and he'll work out the solution based on his own path of least resistance LOL.
The first time he posted about it dying at burger King, it sounded exactly like what had happened to me my first week with my dart - so since then I've been convinced that with the headers and cam and that carb it's a losing battle. But dying after 15 mins in the driveway was not my experience and also suggests electronics more than anything.