I''m no expert on the topic, but IMHO, if I was a prospective buyer of your boat in a few years, the notion of wooden
fuel tanks would scare the heck out of me. I think I would walk away and not look back.
What''s wrong with stainless . . . isn''t that the best material for diesel? I have twin 80 gal. mild iron tanks but sure wish they were SS.
Best, Steve