Doing your Mercruiser 5.7 exhaust manifold and riser replacement
Doing your mercruiser 5.7 exhaust manifold and riser replacement isn't exactly a fun way to spend a Saturday, but it's a whole lot better than the alternative—which is usually buying a brand-new long block because your old engine sucked in a bunch of seawater. If you own a boat with the classic 350 Mag or 5.7L carb engine, you probably already know that these exhaust components are essentially "wear items." They aren't meant to last forever, especially if you're running in salt water. ...