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Karl Wescott · 12-07-2019, 09:52 AM

The question is acceptable risk.

The two major concerns.
1. Vapor build up in the passenger compartment. The stock Ford design vents under the truck and the fill cap is sealed. If everything is in good condition no problem. The stock floor and tank area around the fill location do not absorb fuel well so if there is spillage it can (and SHOULD) quickly evaporate before the vehicle is driven. (both doors open when filling...)

2. Crash. Will a crash scenario that causes a penetration far enough into the cab to rupture of the tank (well protected by the frame and body structure) be survivable for the occupants? Most likely not. Kinda makes the potential tank rupture a moot point.

3. How many burnt out cabs are found at swap meets from a tank failure. Not many.

12-07-2019, 09:52 AM	#31
Karl Wescott Senior Member Join Date: May 2010 Location: Oregon Posts: 1,283	Re: Help with a family issue The question is acceptable risk. The two major concerns. 1. Vapor build up in the passenger compartment. The stock Ford design vents under the truck and the fill cap is sealed. If everything is in good condition no problem. The stock floor and tank area around the fill location do not absorb fuel well so if there is spillage it can (and SHOULD) quickly evaporate before the vehicle is driven. (both doors open when filling...) 2. Crash. Will a crash scenario that causes a penetration far enough into the cab to rupture of the tank (well protected by the frame and body structure) be survivable for the occupants? Most likely not. Kinda makes the potential tank rupture a moot point. 3. How many burnt out cabs are found at swap meets from a tank failure. Not many.