Serum, what I think I will end up doing is going to the LST shock conversion. With 8 of the stock type shocks, there is not enough room up top for the ESC. One LST shock mounted behind the rear tower will free up room.

Here are the max battery fit dimensions, as best I can measure:173mmX52mmX65mm. If your pack is under or at those dimensions it should fit.

And believe me, a micro servo is all that will fit.