Flew a ROO for years with J850 on top, great fun.
As has been said, use airbrake.

If you are buying a second hand one, find out when it was made, the very early ROOs had the main UC too far back which put too much weight on the nose wheel. Combine this with high thrust line and it would snake all over the place.
This was solved after the first batch, it has been fine ever since.