I almost want to say that she would be able to get a "K1-visa", but not adjustment of status... Which comes later after she makes it to the US on the K1 visa. I am thinking of using the time you wait for the I-129F and the K1 to be processed can also count towards the post-J1 period? If you can be certain with that piece of information, I think it would be plenty of help.
The bottom line, do not use the J1 again for her because that's going to reset the clock and it would not help your case.