I hope not. Partly for the TTXGP itself - they cited the publicity value of the TT as being vital to get enough teams interested. And partly for the Manx, as the event has a lot less leverage than the TT in gaining local acceptance for extended practice times. If they tried to shoehorn it into the existing practice timetable and reduce the petrol bikes track time that would be a huge blow, not only for the riders who pay a fortune to get there, but also for safety, with practice time being sorely lacking already.