Hi all. I´m re powering. I have been in a cougar with a new Yamaha Sho. I can see the torque and out the hole difference compare to the mercury.But top end. What do you all get. no exagerated numbers please. Manual Jack plate.I see 77mph with my Pro Xs. 75mph loaded. What about a yamaha. would I get those numbers still?Post your numbers if you could please