This thread should contain the info you need to make a PAL-based project sync to NTSC GOUT (by trimming and adding/duplicating frames):
http://originaltrilogy.com/topic/The-GOUT-Sync-Thread/id/17357
Also, I swear that you, Team Blu, and hairy_hen had already decided to standardize on NTSC GOUT in all new releases to avoid problems, because when that happened I went through all my audio and subtitle resources and switched them to NTSC. Ergh, please not again…