My 1973 1303S Superbeetle just ran dry and it took 38 litres to fill the tank. The actual capacity must be very close to this. Hope this helps!
They will hold 10.5 gallons of fuel.
10.6 US gallons
These fuel tanks will hold 10.5 gallons.
33 Mpg
There was no 1969 "super beetle" only the standard. And which line are you replacing the hard line or the flex line?
Attached to the fuel pump under the gas tank.
approx 14 gallons
I believe it's about 2 to 3 psi.
16.4 gallons.
It's about 16 gallons
3.5mm
It is beneath the car on the front passenger side about even with the wheel, the fuel filter is also there.