Problems at the gas pump in Ca.

Just picked up a 68 Barracuda and was having trouble fueling the car at the gas pumps. With modern cars, you set the pump and the fuel shuts off when the tank is full. However with the Barracuda, I can get about 15 seconds of fuel and the stupid pump resets...this occurs over and over again until the tank is finally full.:banghead: I'm pretty sure it has to do with the stupid vapor recovery system that we use here in Ca. I suppose I can try to override the recovery system by creating a gap between the pump and the filler neck and see if that works. If that doesn't work, does anyone have another solution to this problem or is it something I have to suffer through every time I'm at the pump.
Thanks