I suggest you modify your file to work with the Vortec heads.

Something was messed up with the BRDW file you had. I have edited post 6 and attached a good file. Please lmk if it looks better.

All of the information you are looking for is in the disassembly. Really.

I will try to correct the definition file tonight. I can't read or view correct spark and fuel values until the...

This is a modified $0D file. The only modifications so far are changes to titles of paramaters and categories from "0D" to "63." Most of what I've looked at lines up with $0D. Please lmk if you...

I do not know of a source for $63 xdf. A quick search reveals many people asking for a definition, and although every piece of the puzzle exists to make one, no one seems to have done it. I do see...

What are you using to view the file? If you are not using a definition file made for $63 then you might see some errors. The disassembly has desired idle rpm vs park/neutral tables. Depending on...

No, that's definitely not right. There's some garbage found a way into the file you attached.

Try this one. It's taken from the file which also has source code.

Edit: This post contains...

There's nothing to apologize for. If the file was read from a chip that has greater storage capacity than calibration needs, the beginning of the file is padded (filled) with useless data. Once the...

Hello, and welcome to the forum.

A segment swap is used on OBDII calibrations but that that technique is not usually applied to OBDI calibrations due to the way the calibrations are arranged. You...