I´m afraid thats not possible, since God only knows where the original is. ty anyway.
I found this util to modify sector sizes, etc and tried raw mode 2 (both forms 1 & 2) but no luck.
The files are there, but no emu/psx are gonna read em like this, and i feel much more comfy when dealing with dreamcast stuff :P; i only know the basics of psx copying.
Somebody might find this info useful: daemon doesnt like this image at all, says its damaged (but its certainly not, there is just something wrong related to block size and disc mode)
/me still needs help