I think front loading is more to increase hormone levels rapidly from a fast acting product when your main hormone is a long acting androgen. Like taking props at the begging of a enathanate cycle.
I believe 1 test gains take time to appear since the gains are a result of increased protein synthesis and similar as opposed to a nueral upgrade. Maybe running 5AA at the begging of a cycle would increase strength and agression for the first few weeks while waiting for additional muscle to be built from the 1Test.
Of course thats just my limited opinion. Definatley not an expert so I'd like to see what others have to say.