I’m not really familiar with the Side Scan setup but I can tell you that of the many different types of boats I have been in none of the transducer setups have been perfect and I’m not even sure if its even possible. The most important thing is to make sure you a clean stream of water going over your transducer as much as you can. Mount it as close to the keel of the boat as you can without getting affected by any air bubbles or risking interference from the motor. Unfortunately it is pretty much trial and error in this regard. Mine is mounted roughly 20cm to the right of the motor but still gets air bubbles going over it once I come off the plane which clutters the screen for 30 seconds or so.