is there a program that can align the blocks in an MPG file so that it won't add extra padding duing the imaging process?

I made a MPG with 2 languages and subtitles. according to TSCV it should fit on an 80 minute CD. when I go to make the cue/bin, it adds around 114 meg to the file in padding, making it more than a 90 minute cd.

the order of making the MPG was:
1) create seperate video and audio stream (TMPGEnc)
2) mux the video and 2 audio together (TMPGEnc)
3) add the subtitles (SubRip and SubMux)
4) add chapters and menus (not doing this part yet)
5) build cue/bin file (TSCV)
6) burn to cd (blindwrite)

any ideas would be appreciated. Thanks