1. I doubt it! Or there would not be two of them. But you may be able to write a 93 bin file to your chip and use the more defined $Da3 XDF/mask.
2. The ALDL 172.ds file is all the information GM gave for what is in the data stream, this is the information we use to make the ADX files in TunerPro. TunerPRo is wide open to make and add information without limitations.
For now your only issue is fueling changes do to the 1.6 rockers. So why not start there and learn one of the first things a tuner needs to do and get the "Volumetric Efficiency Vs. RPM Vs. MAP " tables dialed in?
This write up will give you enough of an idea on how to do that!
http://www.gearhead-efi.com/Fuel-Inj...-data-Tutorial!
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