I am remodeling aa 1999 21i as a crossover boat, we will be running a slalom course with it. The old speedos were eaten up by rats. What are your thoughts on the GPS speedometers?
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You get what you pay for is my opinion. Similar situation, neither of my speedos worked. I bought a Faria GPS to match the rest of the gauges. Seems to work fairly good, on the worse end I'd say +/- 0.2MPH. So for surfing we still use the tach but might be good for skiing (honestly no idea how sensitive to speed slalom is). -
If you are running the slalom course, then I would look at Perfect Pass Stargazer. Depending on how serious you get you can add 3 event which will let you map the course and provide accurate timings.Comment
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