Should have done this before now. I own a 2012 Bass Tracker 175TXW with a 2012 75 mercury optimax. Had the ECU flashed and running a new Laser II 24 pitch prop with the engine in the factory setup. Boat ran avg 50.6 on the gps @ 5900 RPM. No jackplate yet but I am happy with the out of the box performance for now.