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Wait, you had a massive vacuum leak and logged before you fixed it? What you're seeing with HP Tuners would make sense as you're pulling a lot of unmetered air in which the O2s are seeing and reporting a lean condition which the PCM is trying to fix by dumping fuel in (hence maxed LTFT and injector duty cycle >100% at WOT). It will take time to relearn and readjust the LTFTs unless you reset them. Like SBX said, look at what the STFT/LTFT are doing now that you fixed it.
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1997 Camaro Z28 - 355 LT1, T56, CC503, LTs, ORY, Bald Eagle-back exhaust, !emissions, Lingenfelter CAI, EWP, !CAGS, BMR LCAs, UMI PHB, Koni Str.t/Koni SA, C5 Z06 front / LS1 F-body rear brake swap, factory hurst with short stick 
2014 2LT Cruze 2.0 Turbo Diesel
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