maybe you can help me rusty. i know this is a set up question butmaybe you can help. i bought a 285 magnum with a 175 johnson. i had a 25 tempest plus
put on it and i am blowing out coming out of the hole and i am having cavitation breaking over. what would you do to the setup to try and fix this? every time the engine gets to 2800-3000 rpm,s it blows out . thanks