1964-1966 fuel tank differences?

[stevetheweave1]

Car was built 2/64, two months later Ford started putting vents on the tanks. My car has no vent and I would prefer to have a tank with a vent. Are tanks interchangeable and if so is there a vent hose with a check valve that needs to be attached to vent pipe? (charcoal cannisters and EPA was not in existence yet) lol

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[Ward 57]

Car was built 2/64, two months later Ford started putting vents on the tanks. My car has no vent and I would prefer to have a tank with a vent. Are tanks interchangeable and if so is there a vent hose with a check valve that needs to be attached to vent pipe? (charcoal cannisters and EPA was not in existence yet) lol

Why mess with something that already works. EPA issues are almost non existent. New cars are so efficient that the occasional old car on the road is not an issue. Geeze cal is so restrictive you can't even fire up a BBQ without a permit.

 

[ak7an]

Car was built 2/64, two months later Ford started putting vents on the tanks. My car has no vent and I would prefer to have a tank with a vent. Are tanks interchangeable and if so is there a vent hose with a check valve that needs to be attached to vent pipe? (charcoal cannisters and EPA was not in existence yet) lol

Would a vented gas cap suffice? The tank on my 64 is not vented and when it was parked with a full tank of fuel, the fuel would expand and push past the o-ring in the filler neck. A vented gas cap cured the problem.
Take care
Ed

 

[Ward 57]

Why mess with something that already works. EPA issues are almost non existent. New cars are so efficient that the occasional old car on the road is not an issue. Geeze cal is so restrictive you can't even fire up a BBQ without a permit.

Would a vented gas cap suffice? The tank on my 64 is not vented and when it was parked with a full tank of fuel, the fuel would expand and push past the o-ring in the filler neck. A vented gas cap cured the problem.
Take care
Ed

Yup, Go with the original physics. Old & new often don't mix well. Vented gas cap will do the trick even though the EPA would like you to re-plumb the whole thing.

 

[stevetheweave1]

I agree I like simplicity but ventless tanks are very rare and the vented ones are pretty common that’s why I was asking if a vented tank will fit in a non-vented car

 

[Ward 57]

I agree I like simplicity but ventless tanks are very rare and the vented ones are pretty common that’s why I was asking if a vented tank will fit in a non-vented car

Just make sure you buy a venting cap. You need to have the venting so you don't run into the issue of the fuel pump can't suck because the tank can't vent. They are designed to let air in but not let it out so do don't smell gas when sitting.

 

[GoodToBirds]

Just make sure you buy a venting cap. You need to have the venting so you don't run into the issue of the fuel pump can't suck because the tank can't vent. They are designed to let air in but not let it out so do don't smell gas when sitting.

my 1964 has this venting cap. But that means if the tank is heated up in the summer it builds up pressure. that can be pretty much pressure if it sits on a hot parking lot for a while. Seems strange to me that they had no solution for this in stock form. Do I really have to build a venting syphone (lack of a better word)? A small tube starting at the filler tube going up and turn down again under the trunk lid and going out somewhere under the trunk like the mopars have.