I only had (1) transducer and mounted it on a transducer board. I marked the rivets with lipstick and then hollowed the spots out. I put it between the ribs but still had some trouble at higher speeds.
I have a 1997 16’ Smoker craft pro tiller with a 40hp Johnson 2 cylinder. I have fished Mille lacs since I bought this boat and, due to ignorance, been caught in some precarious positions. This boat has preformed through thick and thin. Granted I’m not a slow learner so I didn’t get myself into these situations as I moved forward but that boat stuck in there every time. I just bought a 2019 171 pro mag from smoker craft and can’t wait to pick it up. BTB, the 16’ is for sale.