Thanks everyone. I don't have a HPT license, but would want to keep the same numbers anyhow. I will give this a try.

aaronc7,

I downloaded the EFILive software and found a tune file for a 99 manual vette running my OS, and a 2002 manual running12212156. The EFILive software reads both of them; how do I do a comparison?

Swapping OS's sounds like a scary proposition. How is it done?
I am attaching the .bin and the output text file if I can make it work.
I don't know your naming convention so feel free to rename or discard.

I ran PCMHammer on my 2000 C5 vert and it captured the bin file flawlessly. Thank you for you effort in making this code available. The car has never had a tune so it is stock. The OS is 12593359. There is a note on the end of the read that asks for sharing results, so I am wondering if you just wan...