Fixing and Tuning Your MerCruiser 7.4 Carburetor
Getting the best performance out of your mercruiser 7.4 carburetor usually means getting your hands a little dirty, but it's worth it for that big-block roar. If you're running a boat with the classic 454 cubic inch engine, you know exactly what I'm talking about. There's a certain kind of power that comes from those eight cylinders that just feels different from a modern fuel-injected outboard. But, as much as we love the torque, these older setups can be a bit finicky if the fuel delivery isn't spot on. ...