Casting heads is sort of an acquired taste.
In a sadistic way, I like the T heads from Rio. Anyway, the T11 head weight sounds about right, but the length might be causing a bit of trouble. To get a 270 grain head of T11, you need to cut it about 25' in length. Heads getting that short have a tendency to "dump". I have a Outbound T11 line I will cut back to around 30-31'. If I like it on my 8wts, I'll leave it long-ish. 29-31'. If I don't, i'll cut it back till it feels right on my 7wts, but won't go any shorter than 28'. I have some short leadcore heads I don't use anymore, and I don't want to do that(cut it too short)to a brand new, full line.
briansII