PIONEER 30.5 The 30.5 cc +2 mm Stroker Pioneer is now the engine to beat. They are extremely fast in a properly set up boat, the 30.5 Pioneer is in the blue boat with the red lid. The boat in the video is an Accu-Tech Hydro. He laps everybody twice then he cruises for the rest of the race and he comes in early. Notice how he can pull everybody very badly down the back straight away whenever he wants just by going full throttle. Also notice how hard it accelerates off the corner when he wants to put distance on other boats. This engine has tons of reserve power.