[aberabee]

I don't think that would be it. Only because I have the exact same issue and happen to run itno this thread. My car does the same thing and I transplanded the whole engine and internal tranny part from my other stealth tt. My first gear is sometimes blocked and it will buzz when i downshift sometimes. It also sometimes does not want to fully stick in gear in the reverse. So... If you find out what it is let me know. And I will do the same