if i buy a gt3b the new one, can I use my rx's from my gt2 flysky?.....I have the fail safe rx's.....anyone know for sure if I can, I have 5 of them and don't to buy 5 more rx's for the gt3b.....please help......

Yes I think you'll be fine. I just ordered the gt3b for me and a gt2 for my partner and both come with the exact same receiver.

sweet bro thankyou......!!!!!!!