Foamed in Fuel Tank
Per Bushwacker- Fuel tank corrosion can be an issue, especially if the tank was foamed in. (Moesly never foamed in the tanks and neither did Potter, at least on the early models, although I have seen them foamed in on later Potter models, although I'm not sure if that was original tank.) Don't know if SeaCraft Industries, Tracker and other later builders foamed in the tanks, but I suspect they did.
Hey Denny- My '76 20' Seafari fuel tank had screws to the stringers, but was also foamed between the tank and the stringers. The tank corroded along the sides where the foam held salt water and probably cleaning bleach as well. Partly my own fault because the caulking around the cover was such a pain to remove, I never replaced it. I like GFS's idea to put some cord or heavy monofilament around the cover gap and caulk over that, so once you pry up some caulking simply pull the monofilament. My tank lasted almost 30 years, probably replaced it about 2004.
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