I have a 96 Seaswirl 230 Cuddy with a Volvo Penta 5.8 FSI (EFI) and Volvo Penta SX outdrive 1:66 (single prop). I am still trying to id the Mfr's WOT. (With my now-defunct alum 3X15X17 R prop), the hull did not seem to be fully on plane until almost 4300/4400 rpms. "My" WOT hit 5100rpms with...
