Don't recall mentioning a Mexican truck bin. I may be able to help you however. I have attached a bin from my truck, pulled a couple of weeks ago. Note, this bin has the VE table, MAF curve, main spark tables, and DFCO enable settings adjusted for my particular truck. Perhaps if all you care about is the transmission segment (according to your other thread), none of those changes matter to you.
I've also attached an original tun file from this truck, I pulled a decade ago. This should be completely stock.
I've also attached an express van L31 manual tun file, that I downloaded a decade ago. No idea what else may be done to this one. I never used it.
I've also attached a tun file from an indicated L31 manual Tahoe. No idea what else may be done to this one. I have never used it.
Finally, I've also attached a recent ctz file from my truck just a couple weeks ago (should be same as the bin file attached) just in EFI format.
Hope some of this helps you.
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