hundreds and hundreds of gallons....
I've replaced two fills that pored a gallon or more into the bilge. And IMO any amount fuel in the bilge is a concern. But I wouldn't start yank'n tanks without checking the fill or vent....mr.freak'n expert! [img]/forum/images/graemlins/tongue.gif[/img]
BTW, the vents on my work-boat go into the cockpit, right where they should be!