"Richard Malcolm" wrote in message
om...
I have always had a hard time filling my gas tank up. When I would go
fast it would spill out the vent.

Well, like you and others have guessed the vent line is probably blocked.
It may not be blocked by anything solid, however. It might be blocked by
liquid.

Check the vent hose and make sure it doesn't have any dips in it. If there
is a dip, and you have recently spilled gas out the vent, then there the dip
will be full of gas. This will block the air from flowing out the vent. If
the vent is higher than the filler spout then you will never be able to lift
the gas in the vent hose high enough to purge it out by simply filling the
tank.

Rod