Yes please, post the explanation. Please be mindful of copyright material.

dave w

I agree. The .bin I posted should work after it is correctly formatted. Most, if not all the modifications needed are done for an engine transplant.

dave w

The attached .bin is not Stock, use at your own RISK! I can't remember all the changes I did, but I'm sure I disabled VATS. Basically I flashed a PCM with the modified Corvette .ctz file I...

I am thinking the 2002 Express would have the L31 5.7 Liter engine, not the LS1 5.7 Liter engine? Maybe there is a typo (S instead of 3)?

dave w

Maybe the attached .bin will help? It's from a different 2004 / 5.3 Liter (L59) / 4l60e 1Meg with the same OS as the .tun posted.