Great comments.
I brought back the fairing block and got a transom mount. I'll need temp because were are going for tuna on Tues. I'm keeping my Thru Hull transducer and may mount it in the future if I'm not happy with the Transom mount. I guess every boat is different in it's own way and what worked for one boat may not work for another boat. Kinda like finding the right load for your deer rifle. I never had a problen with the thru hull in my other boat the way it was mounted.... worked at all speeds and turns. I just did not like the fairing block sticking down because I envisioned it hitting a log or getting on the trailer somehow. 5200 is some strong stuff and I don't think you could blow the fairing block off with TNT once it is mounted and cured. A buddy of mine is trying another way to mount his thru hull. It's a big transducer and the fairing block would have been too big for his Formula 233 check it out.
http://thehulltruth.com/6/ubb.x?a=tp...634#7446009634