SMN Macro question.

Setting up my macros was wondering if this been tested or answered.

Currently I am making a BP - macro and then switching to my damage + macro sort of like a fast cast to nuke set. I was wonder does the BP damage gear take effect when the blood pact is executed similarly to a spell does anyone know ?

Yes, it does.
Between the command and the execution you have one second to switch sets.

my macro setup during bloodpact is
/equipset X (BP delay set)
/ja "avatar attack" <t> <wait1>
/equipset Y (BP damage set (magic or phyiscal))
/wait 3
/equipset Z (My idle set)