I use this guide at this link
http://forum.mainconcept.com/viewtopic.php?t=75
it called How to put 23.976 Fps Video on NTSC-DVD/SVCD?
Why does encoder report 23.976 Fps for DVD? Is it valid?
(telecine, pulldown)
but now when i load the file in tmpg dvd author i get the following
GOP to long