Hi all!
Where can I get info about CVW file format specification for LFS? Thanks for reply.

If it's not in InSim.txt and not in http://www.lfs.net/?page=coderfiles or http://en.lfsmanual.net/wiki/File_Formats (unofficial documentation), then it's either not been recorded by anyone, or not available.

The file formats that Scawen hasn't released officially are generally because he doesn't want to have to support 3rd party modifications and programs for these files. That would restrict his ability to alter and change as required - just something you need to be prepared for.