just bought a '76 orrion 18' w/ 305 chevy & v/p 280 outdrive.<br />it ran great first day of use, second day it bogged down w/the more gas i gave it.<br />sounded like it was misssing a few cyclinder.<br />next day i dry ran the engine and poweres up no problem.<br />cleaned the carb checked plugs/wires<br />maybe problem w/ impellor clogged? <br />my first boat help!<br />thanx,<br />phobius