Join Date: Apr 2006
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Rafael, any liquid be a problem since it will also attract dirt and form "crud". There are products like BoeShield or BreakFree CRP which are designed to be sprayed on machines to prevent corrosion during storage, but you would spray them sparingly and then wipe them down before *covering* or sealing the parts, to prevent dirt from building up.
I would instead suggest the more traditional sealed the engine spaces, with some pails of dessicant to absorb any moisture, and then mothballing them. Scatter a box or can of mothballs (napthalene or camphor) in the space and close it up, and they sublimate out to form a thin waxy protection layer on everything. Kills bugs, stops rust.
You can find higher-tech high-priced products sold as 'corrosion block' or 'corrosion inhibitor' from machinist supplies and gumsmithing supplies at higher prices, that won't have the mothball smell to them. But they won't keep out critters, the way mothballs will.
If you do use mothballs--when you return to the boat, hold your breath, open and ventilate the spaces before going below. That stuff can also make you incredibly dizzy if it has been sealed in an built up.