You are correct, there are at least 9 frames to be saved, I was waiting till I finished star world 4 though to post (about half way done with it now, but side tracked by tv show 24). A few more frames might be plausible. Oh yeah and don't be turned off be by lack of recording powers, its just experience and you'll gain it in no time, you gotta start somewhere.
Edit: Ok
here it is, at the front door of bowser's castle exactly 8 seconds ahead of previous record set by alex!
Starworlds 2 and 3 were done very slightly faster than viper's 96 exit and had better fadeout lag. Starworld 4 was done about 15 frames faster, due to shell usuage. These 4 starworld levels were all a little weird and I encourage people to give em a shot to see if it can be done faster.
Also this really going to piss viper off, I used left+right in starworld 4. It is most likely possible to get the same time or better without the use of left+right, but personally I do not care if this is used so I just went ahead and did it.