Got a Garmin 73DV with my new to me Nitro Z7, really like the unit but hate not having high speed depth readings. I know I could move the transducer down and maybe get better reading but I'm more interested in putting in-hull in a shoot thru application. Anyone done this? Garmin of course doesn't recommend this but neither does Lowrance with their Elite-X HDI transducer but it has been done with success.