Remember the caveat, this is with a large hardtop and dragging around a twin motor bracket that is literally full of water and with trim tabs that are wired wrong and were therefore likely never fully retracted. A short run after Irene with a fully drained bracket and fully retracted tabs seemed to have much better performance but is not much of a sample size to report #s from. Even with all these problems I'm still doing about 50% better than i did with our old triple carb 225 merc. I'm betting the Tsunami model weighs a bit more than the CC to begin with as well.
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1973 23' Tsunami, 300hp Etec
Norwalk, CT
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