FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
I have a 1974 Slickcraft cutty with a mercruser that states 225HP on the valve cover, I have been told that it could be a 302 or a 351 for engine. Does anyone know how to tell the difference?