A couple weeks ago, while taking a leisurely cruise around some of the local islands, I noticed the boat was a bit sluggish. Powered by a 350 Chevy engine, coupled to a Volvo outdrive, the boat usually moves along smartly, even at ½ throttle. However, even after acknowledging the full tank of gas, that day the boat was moving more slowly than normal. After considering a variety of culprits, I landed on the concept of bottom contamination and steered to the nearest launch ramp to take a look. Sure enough, fouling was strongly evident, not so much on the bottom, [...]