Guys, just updating this with some additional info. I'll be taking it to my Indy likely first week of April to have everything leak tested. I'm pretty sure if it was a fuel delivery problem I'd have more issues than the momentary startup bucking. I will advise him of possible causes, but he was a Audi/Porsche dealership guy for years so I'm sure he knows what to look for.
I will update this with the eventual solution. Thanks for all your help.
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