Posts: 3478
Location: Elk River, Minnesota | Hiya,
I believe the separator would catch it, but if you have a higher volume, I would be concerned that it may not do the job, potentially leaving you with an engine that will either a) not get any gas, or b) somehow get in the engine and run poorly. Depending on what part of the country you live in, you really may not have to deal with it at all. Northern states like MN, Wisconsin, etc I wouldn't worry about it so much since condensation will really only happen when there are days that have a bunch of heating and cooling going on where temps can rise and heat the tank, then fall back considerably. That just does not happen up here to any consistent enough extent to cause concern in my humble opinion. When it gets below freezing through the winter, it is so dry in most cases that condensation will not happen. Now...take states a little further south where humidity still can rise above 40% or so...then there is a bit more cause for concern....especially on those days where it might get below freezing, then temps rise into the 60's... if that happens with consistency, then condensation can be an issue when the boat sits in the sun where the tank can be heated up to some degree...
One can go either way with their tank...run it empty or store it full. The reason for going full is that when full there is really nowhere for the water to form, so it is not an issue. I have gotten into the habit of storing mine full and keep the fuel system filled with gas in the engine as well (stabilized fuel mind you..) Evaporation will occur, so I have felt that keeping the system 'wet' so to speak might reduce the potential of gum forming and clogging my jets...
If you decide to run empty, I would say fill up at the beginning of the season, go out a couple of times, then change your filter. Better to do it as a preventative issue rather than what can come if one lets it go.
Steve
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