I moved your question to I_I's Account Talk...Intrepid. I didn't kow you could make 3 IFT's in 1 month!?!? How do you do that? :embarrest:
http://www.tsptalk.com/mb/showthread.php?t=4983&page=32
... But I can answer it also....
You can move money into the G fund at any time. Either all at once (100% G) or in smaller increments, as long as only the G fund allocation is increasing. There is no limit to the number of times you can do it - or until the G fund hits 100%.