I think fiberglass gas tanks is going to the big problem. The sport fishie boys down here may have to pull them out as it eats them up and the residue will clog up gas filters. I've also heard that two strokers will tolerate it better then 4 strokes but who knows.Other than that I plan on dumping in a can of seafoam at every 40 gallons or so but so far I dont think we have it down here in coastal NC and I check all the pumps when I gas up ...Frank