Tell us a bit more about intended use , environment, depths. If you will be frequenting shallow water, I would recommend side mounting, so you could easily raise and lower it.
Fitting a watersnake t24 motor through the mirage drive hole is a no brainer. Adopting stock plastic mirage hole filler is also easy.
Doing the same with minnkota could be harder, the motor is larger and much heavier. Not all units would fit and even those that do, require elaborate motions.
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